Media statements and background information can be accessed from the Media Archive section of this website.
Contact TIU Head of Communications Adrian Bassett for media enquiries and background information:
M: + 44 (0) 7769 364569
E: adrian.bassett@tennisintegrityunit.com
Bulgarian player found guilty of match fixing offences
Karen Khachatryan banned for life, his brother Yuri banned for ten years.
Ben Rutherford to join worldwide tennis anti-corruption organisation after eleven years at World Rugby. Key hire ahead of organisation relaunching as the International Tennis Integrity Agency in January 2021
Unranked Spanish tennis player Gerard Joseph Platero Rodriguez has been suspended for four years and fined $15,000 after being convicted of courtsiding, betting and non-co-operation offences. Six months of the ban are suspended on condition that no further breaches of the Tennis Anti-Corruption Program (TACP) are committed.
The Tennis Integrity Supervisory Board (TISB) has approved the expansion of the independent panel of senior legal experts appointed to adjudicate anti-corruption disciplinary Hearings for professional tennis.
Independent Anti-Corruption Hearing Officer Prof Richard McLaren has denied an application by Spanish tennis player Enrique López Pérez to lift a provisional suspension originally imposed on him on 19 December 2019.
Independent Anti-Corruption Hearing Officer Prof Richard McLaren has denied an application by Bulgarian tennis player Aleksandrina Naydenova to lift a provisional suspension originally imposed on her on 27 December 2019.
Greek tournament director Antonis Kalaitzakis has been suspended for 20 months and fined $6,000 after admitting to betting on tennis and failing to report knowledge of, or suspicion of corruption, to the Tennis Integrity Unit (TIU).
Four months of the suspension and $3,000 of the fine are suspended on condition that no further breaches of the Tennis Anti-Corruption Program (TACP) are committed.
Greek tournament director Antonis Kalaitzakis has been suspended for 20 months and fined $6,000 after admitting to betting on tennis and failing to report knowledge of, or suspicion of corruption, to the Tennis Integrity Unit (TIU).
Four months of the suspension and $3,000 of the fine are suspended on condition that no further breaches of the Tennis Anti-Corruption Program (TACP) are committed.
Belarussian national tennis umpire Alexey Izotov has been suspended from officiating in professional tennis for three years and fined $10,000 after being found guilty of failing to report a corrupt approach to the Tennis Integrity Unit (TIU) and of soliciting other officials to manipulate match scores.
Belarussian national tennis umpire Alexey Izotov has been suspended from officiating in professional tennis for three years and fined $10,000 after being found guilty of failing to report a corrupt approach to the Tennis Integrity Unit (TIU) and of soliciting other officials to manipulate match scores.
As professional tennis plans for a resumption of main tour schedules in August, the Tennis Integrity Unit’s Education department has delivered a series of Return to Tennis webinars to prepare the sport for the integrity challenges that may await.
Brazil’s Pertti Vesantera has been banned for five years and fined $15,000 after being found guilty of corruption offences including betting on tennis, facilitating betting and non-reporting, which are all breaches of the Tennis Anti-Corruption Program (TACP).
Two years of the five year ban are suspended on condition that he commits no further breaches of the TACP. The $15,000 fine must be paid by the end of the third year of suspension.
Tunisian tennis player Majed Kilani has been banned from all professional tennis for seven years and fined $7,000 after being found guilty of match-fixing charges.
Venezuelan match official Armando Alfonso Belardi Gonzalez has been suspended for two years and six months and fined $5,000 after being found guilty of committing breaches of the Tennis Anti-Corruption Program (TACP). $4,000 of the fine is suspended on condition that he commits no further breaches of the TACP.
Egyptian tennis player Youssef Hossam has been banned from professional tennis for life following his conviction on multiple match-fixing and associated corruption charges.
The TIU has published its position on unsanctioned tennis events organised during the current suspension of all professional tennis.
The TIU is issuing integrity advice to professional tennis players considering competing in privately organised tennis events that are not sanctioned or recognised by governing bodies or national associations.
This aims to make players aware that they will still be subject to anti-corruption rules and to offer them relevant advice and information.
French tennis official Anthony Pravettoni has been suspended for eight months and fined $5,000 for betting on tennis offences. Three months of the suspension and $4,500 of the fine are suspended on condition that he commits no further breaches of the Tennis Anti-Corruption Program (TACP).
Increase in first quarter match alerts linked to suspension of tennis
Between January and 22 March 2020 the TIU received a total of 38 match alerts through its Memorandums of Understanding with the regulated betting industry. This compares to 21 alerts for the same period in 2019, a year in which the fewest alerts were recorded since data was first published in 2015.
British tennis player Patrick Keane has been suspended from professional tennis for six months and fined $5,000 for betting on tennis offences. Three months of the suspension and $4,500 of the fine are suspended on condition that he commits no further breaches of the Tennis Anti-Corruption Program (TACP).
Independent Anti-Corruption Hearing Officer (AHO) Jane Mulcahy QC has reduced the suspension imposed on Argentinian tennis player Nicolas Kicker from three years, to two years and eight months, on appeal.
Jonny Gray, the first Chief Executive Officer (CEO) of the Tennis Integrity Unit (TIU), took up his post this week (w/c 17 February 2020), marking a further significant step in the evolution of the organisation.
Brazilian tennis player Joao Olavo Soares de Souza has received a lifetime ban together with a fine of $200,000 after being convicted of multiple match-fixing and associated corruption offences.
The Tennis Integrity Unit (TIU) today published its fourth Annual Review, covering the work and development of the organisation during 2019.
French tennis player Jonathan Kanar has been suspended for four years and six months and fined $2,000 after admitting to match-fixing and non-reporting offences.
The Tennis Integrity Supervisory Board and the International Tennis Federation (ITF) have agreed a major investment project to create a comprehensive integrity infrastructure for the ITF World Tennis Tour (WTT). Crucially, the ITF will deliver new and improved anti-corruption protocols across the tour which will enable the progressive removal of live scoring data to be implemented at all WTT $15k events.
Uzbekistani tennis player Albina Khabibulina has been provisionally suspended from professional tennis by independent Anti-corruption Hearing Officer (AHO) Prof Richard H. McLaren.
Kyrgyzstani tennis player Ksenia Palkina has been provisionally suspended from professional tennis by independent Anti-corruption Hearing Officer (AHO) Prof Richard H. McLaren.
The Tennis Integrity Supervisory Board has announced the appointment of Jonathan (Jonny) Gray as the first Chief Executive Officer (CEO) of the Tennis Integrity Unit (TIU), following a global search.
Mr Gray will take up his new role in mid-February 2020 and will be responsible for leading the continued growth and development of the TIU as it evolves into a broader-based integrity organisation for professional tennis.
The Court of Arbitration for Sport (CAS) has dismissed an appeal from Argentinian tennis player Patricio Heras against a disciplinary sanction imposed on 3 September 2018.
The CAS ruling means that the original sanction of a five year suspension, with two years suspended, and a fine of $25,000 remains unchanged and in place - http://www.tennisintegrityunit.com/media-releases/patricio-heras-suspended-and-fined-tennis-match-fixing
Swedish tennis player Edvin Gustafsson has been suspended for ten months and fined $10,000 after admitting to multiple breaches of the Tennis Anti-Corruption Progam (TACP) by betting on professional tennis matches.
Six months of the ban and $9,500 of the fine are suspended for two years on the basis that no further offences are committed by the player. He will therefore serve a four month suspension and pay a fine of $500.
The Tennis Integrity Supervisory Board has approved the principle of combining both anti-corruption and anti-doping functions within a single, combined and expanded integrity organisation for professional tennis.
Russian tennis player Irina Khromacheva has been suspended for three months and fined $3,000 after being found guilty of attempting to contrive the outcome of a first round qualifying match at the BNP Paribas Open at Indian Wells in March this year.
Two months of the ban and all of the $3,000 fine are suspended on the basis that no further breaches of the Tennis Anti-Corruption Program are committed by the player. She will therefore serve a one month suspension, effective from 19 September 2019.
Brazilian tennis player Diego Matos has been banned from professional tennis for life and fined $125,000 after being convicted of multiple match-fixing offences.
In addition to the fine, he has also been ordered to repay $12,000 received for match-fixing linked to tournaments played in Ecuador.
Chilean tennis player Juan Carlos Saez has been suspended for eight years and fined $12,500 after being found guilty of failing to co-operate with a Tennis Integrity Unit (TIU) investigation into potential breaches of the Tennis Anti-Corruption Program (TACP), and of not reporting a corrupt approach.
The Court of Arbitration for Sport (CAS) has confirmed the lifetime bans from professional tennis imposed on Ukrainian brothers Gleb and Vadim Alekseenko for match-fixing, in October 2018.
While upholding their permanent exclusion from the sport, the CAS panel reduced the original fines of $250,000 to $25,000 in each case. http://www.tennisintegrityunit.com/media-releases/alekseenko-brothers-banned-life-tennis-match-fixing-offences
Russian tennis official Svetlana Teryaeva has been suspended for six months and fined $1,000 after failing to report a corrupt approach, and knowledge of corrupt activity, to the Tennis Integrity Unit. Four months of the ban and all of the fine are suspended on condition that no further offences are committed.
Egyptian tennis player Issam Taweel has been suspended for five years and fined $15,000 for match-fixing and other associated corruption offences. Two years of the ban and $13,000 of the fine are suspended on condition that no further breaches of anti-corruption rules are committed.
Egyptian tennis player Youssef Hossam has been provisionally suspended from professional tennis by independent Anti-Corruption Hearing Officer Jane Mulcahy QC.
Nigerian tennis player Henry Atseye has been suspended for three years and fined $5,000 after admitting to match-fixing and non-reporting offences. One year of the ban and $2,500 of the fine are suspended on condition that no further breaches of the Tennis Anti-Corruption Program (TACP) are committed.
Bulgarian brothers Karen and Yuri Khachatyran have been provisionally suspended from professional tennis by independent Anti-Corruption Hearing Officer Prof Richard McLaren, with effect from 15 June 2019.
German tennis player Osman Torski has been suspended for nine months after being found to have committed a corruption offence under the terms of the Tennis Anti-Corruption Program (TACP). Six months of the ban are suspended on the basis that he commits no further breaches of the TACP.
Ukrainian tennis player Helen Ploskina has been handed a lifetime ban and $20,000 fine after being found guilty of match-fixing and related offences by an independent Anti-Corruption Hearing Officer.
Russian tennis official Svetlana Teryaeva has been found guilty of failing to report a corrupt approach, and knowledge of corrupt activity, to the Tennis Integrity Unit (TIU), as required by the Tennis Anti-Corruption Program (TACP).
A newly formed independent Tennis Integrity Unit Supervisory Board will meet for the first time during Roland Garros next month. Comprising five independent members and four representatives from tennis, the new structure is an important milestone in the move towards greater independence and additional governance and oversight for the Tennis Integrity Unit.
Tennis coach Miguel Tobon has been suspended for 12 months and fined $20,000 after being found to have traded wild cards in return for payment at a number of tennis tournaments staged in 2017.
Nigerian tennis player Henry Atseye has been provisionally suspended from professional tennis by independent Anti-Corruption Hearing Officer Prof Richard McLaren, with effect from 10 May 2019.
Egyptian tennis player Issam Taweel has been found guilty of match-fixing and other corruption offences under the Tennis Anti-Corruption Program (TACP).
Egyptian tennis player Mohamed Safwat has received a suspended sentence and fine after being found guilty of failing to report corrupt approaches to the Tennis Integrity Unit (TIU).
Belgian tennis player Benjamin D’Hoe has been suspended and fined after admitting to betting on tennis matches, a breach of the Tennis Anti-Corruption Program (TACP).
Brazilian tennis player Joao Souza has been provisionally suspended from professional tennis by independent Anti-Corruption Hearing Officer Prof Richard McLaren, with effect from 17 April 2019.
The suspension relates to an investigation by the Tennis Integrity Unit (TIU) into alleged breaches of the Tennis Anti-Corruption Program.
Swedish tennis player David Norfeldt has been suspended and fined after admitting to betting on tennis, a breach of the sport’s Tennis Anti-Corruption Program (TACP).
Chilean tennis player Mauricio Alvarez-Guzman has been handed a lifetime ban from professional tennis after being found guilty of match-fixing and associated corruption offences, which breach the sport’s Tennis Anti-Corruption Program (TACP).
Nigerian tennis player Adimabua Iyorovbe has been suspended and fined after admitting to betting on tennis matches, in breach of the Tennis Anti-Corruption Program (TACP).
Nigerian tennis player Emmanuel Ikakah has been suspended and fined after admitting to betting on tennis matches, a breach of the Tennis Anti-Corruption Program (TACP).
The international governing bodies of tennis (ATP, WTA, ITF and Grand Slam Board) have appointed Jennie Price as independent Chair of a new Supervisory Board to oversee the operation of the Tennis Integrity Unit
The Tennis Integrity Unit today published its third Annual Review, covering the work and development of the organisation during 2018.
28-year old Chilean tennis player Cristobal Saavedra-Corvalan has been suspended for two and a half years and fined $8,000 after being found guilty of failing to co-operate with a Tennis Integrity Unit (TIU) investigation.
Spanish tennis player Marc Fornell-Mestres has been provisionally suspended from professional tennis by independent Anti-Corruption Hearing Officer Prof Richard H McLaren.
Brazilian tennis player Diego Matos has been provisionally suspended from professional tennis by independent Anti-Corruption Hearing Officer Prof Richard H McLaren.
Independent Anti-Corruption Hearing Officer finds former Italian player guilty of match-fixing and associated offences
Independent Anti-Corruption Hearing Officer finds Italian player guilty of match-fixing and associated offences
Guatemalan tennis player Christopher Diaz-Figueroa has been banned from tennis for three years and fined $5,000 after admitting to match-fixing and failing to report a corrupt approach to the Tennis Integrity Unit (TIU).
The third year of ineligibility and the fine of $5,000 are suspended provided no further breaches of the Tennis Anti-Corruption Program (TACP) occur during the three-year period.
Ukrainian twin brothers Gleb and Vadim Alekseenko have been banned from tennis for life and each fined $250,000 after being found guilty of multiple match-fixing and associated offences.
Nigerian tennis player Loveth Donatus has been suspended from the sport for two years and fined $5,000 after being found guilty of match-fixing and associated offences.
One year of the ban and the full amount of the fine are suspended on the proviso that she commits no further breaches of the Tennis Anti-Corruption Program.
Three Thai chair umpires, Anucha Tongplew, Apisit Promchai and Chitchai Srililai, have been banned for life from officiating at or attending any professional tennis events, after being found guilty of match-fixing and betting offences.
Oliver Anderson, the Australian tennis player, has been convicted of match-fixing charges after admitting to deliberately losing the first set of a match at the Latrobe City Traralgon ATP Challenger tournament in Victoria, Australia in October 2016.
Argentinian tennis player Patricio Heras has been banned from professional tennis for five years and fined $25,000 for match-fixing and other related offences. Two years of the ban are suspended on the basis that he commits no further breaches of the Tennis Anti-Corruption Program.
German tennis player Luca Gelhardt has been suspended for eight months and fined $7,000 after being found guilty of betting on tennis matches.
Half of the suspension (four months) and half of the fine ($3,500) are suspended on provision that no further breaches of the Tennis Anti-Corruption Program (TACP) are committed prior to 16 April 2019.
French tennis coach Bertrand Perret has been disciplined for breaching the sport’s anti-corruption code by attempting to change the doubles partner of his former client, Peng Shuai, after the sign-in deadline.
Chinese tennis player Peng Shuai has been disciplined for breaching the sport’s anti-corruption code by attempting to change her doubles partner after sign-in deadline.
Argentinian tennis player Patricio Heras has been found guilty of match-fixing and other related offences, which breach the terms of the Tennis Anti-Corruption Program (TACP).
The TIU Briefing Note for April to June 2018 includes updates on Education, Match Alert statistics, the Independent Review Panel and Disciplinary cases.
Colombian tennis player Robert Farah has been suspended for three months and fined $5,000 for facilitating betting by promoting a gambling website on social media.
Karim Hossam, the 24-year old Egyptian tennis player, has been banned for life and fined $15,000 after being convicted of multiple match-fixing offences.
Argentinian tennis player Nicolas Kicker has been suspended for six (6) years and fined $25,000 for committing match-fixing offences under the Tennis Anti-Corruption Program (Program).
Argentinian tennis player Federico Coria has been suspended for eight (8) months and fined $10,000 for committing breaches of the Tennis Anti-Corruption Program.
Ukrainian tennis player Dmytro Badanov has been banned for life and fined $100,000 after being found guilty of tennis match-fixing offences by an independent Anti-Corruption Hearing Officer (AHO).
Federico Coria, the 26-year old Argentinian tennis player, has been found guilty of breaches of the Tennis Anti-Corruption Program (Program).
Argentinian tennis player Nicolas Kicker has been found guilty of match-fixing and other offences under the Tennis Anti-Corruption Program (Program).
Mr Kicker, 25, was found guilty of contriving the outcome of a match at the ATP Challenger tournament in Padova, Italy, in June 2015 and a match at the ATP Challenger tournament in Barranquilla, Colombia, in September 2015.
Colombian tennis player Barlaham Zuluaga Gaviria suspended for three years and fined $5,000 after being found guilty of failing to co-operate with a Tennis Integrity Unit investigation.
IRP confirms no evidence of cover-up or institutional corruption by tennis authorities
Unified agreement in principle with recommendations for consultation
Immediate priority work under way to review and respond to IRP
Thai chair umpires Anucha Tongplew, Apisit Promchai and Chitchai Srililai have been provisionally suspended from officiating in or attending any professional tennis events, by independent anti-corruption Hearing Officer Charles Hollander QC.
Full disciplinary Decision published in the case of Piotr Gadomski
Polish tennis player Piotr Gadomski has received an 18 months suspension after he was found to have breached the terms of an existing ban for corruption offences
New staff for education department; publication of disciplinary decisions; numbers of match alerts down
Spanish tennis player Samuel Ribeiro Navarrete has been suspended for eight months and fined US$1,000 after being found guilty of betting-related corruption offences. Four months of the period of ineligibility will be suspended on condition that the player commits no further breaches of the Tennis Anti-Corruption Program (Program).
21-year old Romanian player receives eight months suspension and $1,000 fine
TIU strengthens Education and Intelligence resources with Perry and Patel appointments
Australian tennis player Isaac Frost, 28, has been provisionally suspended from playing professional tennis by independent anti-corruption Hearing Officer Richard McLaren.
Completion of criminal proceedings in Australia allows TIU case to proceed
931-ranked player found to have contrived the outcome of a match and failed to co-operate with a TIU investigation
Japanese player made corrupt approaches, bet on tennis and failed to co-operate with TIU
Greek player banned for match-fixing and betting on tennis
Mexican tennis player's Appeal to CAS upheld
New online training program developed by TIU
Match alert data for Jan-March 2017
Australian tennis player Oliver Anderson has been provisionally suspended from playing professional tennis by independent anti-corruption Hearing Officer Richard McLaren.
Australian tennis player Calum Puttergill has been suspended for six months and fined US$10,000 after being found guilty of a betting-related corruption offence.
Romanian tennis player Mihaita Damian has been suspended for 12 months and fined 5,000 Euros after being found guilty of a betting-related corruption offence.
The Tennis Integrity Unit (TIU) today published its first Annual Review, covering the work and development of the unit during 2016.
Romanian tennis player Alexandru-Daniel Carpen has been banned from playing professional tennis for life after admitting to a match-fixing charge.
Australian tennis players Nick Lindahl, Brandon Walkin and Isaac Frost have been disciplined after being found guilty of tennis corruption offences relating to an ITF Futures tournament in Toowoomba, Queensland in September 2013.
CAS dismisses Alexandros Jakupovic appeal against lifetime ban from tennis
Further expansion for TIU as new staff recruited for investigative and educational roles.
Detailed investigations carried out by the Tennis Integrity Unit have resulted in two tennis officials receiving lifetime bans from the sport.
South African tennis player Joshua Chetty has been banned from the sport for life after being found guilty of match-fixing charges.
French tennis player Constant Lestienne has been suspended for seven months and fined $10,000 after admitting to charges of betting on tennis.
Detailed investigations carried out by the Tennis Integrity Unit have resulted in two tennis officials receiving lifetime bans from the sport.
The Independent Review Panel set up by the governing bodies of tennis to review all aspects of the sport’s anti-corruption protocols, structures and resources, has launched a website at www.tennisirp.com
Match Alert Data - April to June 2016
For the second quarter of 2016, April to June inclusive, the Tennis Integrity Unit (TIU) received a total of 73 match alerts through Memorandums of Understanding (MoUs) with regulators and betting organisations.
Bulgarian tennis player Danail Tarpov has received a suspension of three months and a Euros 5,000 fine after admitting to a betting-related offense under Section D of the Tennis Anti-Corruption Program (Program)*.
Croatian umpire Denis Pitner's 10 year corruption ban is reduced to six years on appeal
Official originally disciplined by ITF following TIU investigation
Match Alert Data - January to March 2016
The TIU has committed to publishing headline figures from the Match Alert data it receives from the betting industry, on a regular quarterly basis.
The Tennis Integrity Unit (TIU), supported by the governing bodies of tennis, strongly refutesany suggestion made by the Public Prosecutor in Cremona, Italy, that evidence of match fixing in tennis has been ignored by the TIU.
Responding to the publication of ESSA’s Q4 integrity report.
Player disciplined for betting on professional tennis matches and failing to co-operate with a TIU investigation.
Statement from Governing Bodies of International Tennis
Statement from tennis governing bodies.
Greek tennis player Alexandros Jakupovic has been banned from the sport for life for committing offenses under the Tennis Anti-Corruption Program (Program).
A review of the terms of the lifetime ban imposed on Serbian tennis player David Savic for corruption offenses in October 2011.
Greek tennis player Alexandros Jakupovic has been found guilty of offenses under the Tennis Anti-Corruption Program (Program) in a Decision issued today.
Polish tennis players Piotr Gadomski and Arkadiusz Kocyla have received disciplinary sanctions after being found guilty of offenses under the Tennis Anti-Corruption Program (Program).
Slovakian tennis player Ivo Klec, 34, has been suspended and fined after being found guilty of offences under the 2015 Tennis Anti-Corruption Program (Program).
Italian tennis player Walter Trusendi (30) and French player Elie Rousset (25) have been suspended and fined after being found guilty of an offence under the 2014 Tennis Anti-Corruption Program (Program).
Kazakhstan official banned for life by ITF following Tennis Integrity Unit investigation
French tennis official banned for life for violations of the Uniform Tennis Anti-Corruption Program.
The Court of Arbitration for Sport (CAS) has issued its decision in the case of the Spanish tennis player Guillermo Olaso de la Rica against the Tennis Integrity Unit (TIU).
Russian player banned for life for violations of the Uniform Tennis Anti-Corruption Program.
Player banned for 5 years and fined US$25,000 for violations under the Uniform Tennis Anti-Corruption Program.
Italian tennis player Claudia Coppola has been suspended for six months and fined US$4,000 after admitting offenses under the 2013 Uniform Tennis Anti-Corruption Program.
Dutch tennis player Yannick Ebbinghaus has been suspended for six months and fined US$10,000 after admitting offenses under Article D.1.a of the 2013 Uniform Tennis Anti-Corruption Program.
Player banned for life and fined US$60,000 for violations under the Uniform Tennis Anti-Corruption Program.
The Tennis Integrity Unit (TIU) has confirmed the retirement of Jeff Rees, its Director of Integrity since September 2008.
Lausanne, 6 September 2012 - The Court of Arbitration for Sport (CAS) has rendered its decision in the arbitration between the Serbian tennis player David Savic and the Professional Tennis Integrity Officers (PTIOs).
Lausanne, 23 March 2012 - The Court of Arbitration for Sport (CAS) has rendered its decision in the arbitration between the Austrian tennis player Daniel Koellerer and the Association of Tennis Professionals (ATP) Women’s Tennis Association (WTA), International Tennis Federation (ITF) & Grand Slam Committee.
Swedish tennis player Lucas Renard has been suspended for six months and fined US$5,000 after admitting an offense under Article D of the 2011 Uniform Tennis Anti-Corruption Program.
Player banned for life and fined US$100,000 for three violations under the Uniform Tennis Anti-Corruption Program
Player banned for life and fined US$100,000 for three violations under the Uniform Tennis Anti-Corruption Program
The establishment of a permanent Tennis Integrity Unit (TIU) for world tennis was the major recommendation to come out of the May 2008 independent review of the betting-related corruption challenges that faced the game.
Austrian tennis player Daniel Koellerer and his manager Manfred Nareyka have been disciplined under the Uniform Tennis Anti-Corruption Programme for the offences of facilitating betting.
A Tennis Integrity Unit investigation found that Ms. Bychkova received a proposal to provide inside information and influence the outcome of matches in exchange for substantial compensation, which was not disclosed by Ms. Bychkova until questioned by investigators from the Tennis Integrity Unit.