Allsportspk considers the coverage of ethics in sports as one of its core principles. Our goal is to promote transparency, accountability, and fair play across all levels of competition. In line with this mission, we provide a clear summary of disciplinary actions taken by the International Tennis Integrity Agency (ITIA) during 2026 and 2025. These measures protect the sport from match-fixing, doping, and corruption to ensure a fair environment for every athlete.
2026 Integrity Actions
2026-02-04 – Two sanctions issued for match-fixing and corrupt approaches The ITIA confirmed that Gustavo Tedesco from Brazil and Gyulnara Nazarova from Russia were sanctioned for separate breaches of the anti-corruption program. Tedesco, aged 21, was suspended for two years and three months after admitting to contriving the outcome of matches in 2022. Nazarova, a 27-year-old former player, received a four-year ban for making corrupt approaches to another player in 2019.
2026-01-23 – Croatian player provisionally suspended for positive drug test Jana Fett from Croatia was placed under a provisional suspension following an in-competition test in late 2025 that identified three prohibited substances. The suspension remains in effect under the Tennis Anti-Doping Programme while the case undergoes a full independent review and hearing process.
2026-01-20 – Five individuals provisionally suspended for corruption investigation The ITIA issued provisional suspensions to players Alana Tuayeva from Russia and Nikol Palecek from Serbia, alongside national officials Marko Ristic from Serbia, Zsolt Bagosi from Hungary, and Tamas Tarnai from Hungary. The individuals are under investigation for a likelihood of having committed major offenses under the anti-corruption code.
2026-01-13 – American tennis player receives two-year anti-doping suspension Alfredo Casso from the USA was issued a two-year period of ineligibility after admitting to the use of clomifene, a prohibited substance. His suspension was backdated to the date of his formal admission and acceptance of the consequences, preventing him from participating in any sanctioned tennis events.
2026-01-08 – Court of Arbitration for Sport dismisses Romanian player appeal The Court of Arbitration for Sport upheld the ten-month suspension of Irina Fetecau from Romania. The ruling followed her appeal against an anti-doping violation identified in the 2025 season. The decision confirms her ineligibility through the early part of the 2026 professional tour.
2025 Integrity Actions
2025-12-23 – Dominican player sanctioned for lack of response to charges Maikel Villalona from the Dominican Republic was issued a formal sanction after failing to respond to disciplinary charges brought by the ITIA. The 21-year-old player faces a period of ineligibility and financial penalties for his non-compliance with the investigative process.
2025-12-19 – Chinese tennis player suspended for twelve years for match manipulation Pang Renlong from China admitted to fixing five matches and making seventeen corrupt approaches to other professional players in 2024. Due to the volume of violations, the ITIA issued a severe twelve-year suspension and a significant fine, with a portion of the penalty suspended on condition of future compliance.
2025-12-11 – French player Quentin Folliot issued twenty-year suspension The ITIA handed down one of its most significant penalties to Quentin Folliot from France after uncovering twenty-seven separate breaches of the anti-corruption program. The investigation linked Folliot to an international match-fixing syndicate, resulting in a two-decade ban from all professional tennis activities.
2025-11-13 – Two Chinese players sanctioned following corruption probe Li Wenfu from China and Zhang Jin from China were issued suspensions for breaches related to match manipulation and wagering. The investigation revealed that the players failed to meet mandatory reporting requirements regarding corrupt approaches during their time on the professional circuit.
2025-11-04 – Two players sanctioned for breaches of wildcard rules David Marrero from Spain and Malek Jaziri from Tunisia admitted to integrity offenses involving the misuse of wildcards. Marrero received a suspension of over two years, while Jaziri was issued a nine-month ban for his involvement in the breach of the code of conduct.
2025-10-10 – Venezuelan player issued four-year anti-doping suspension An independent tribunal sanctioned Goncalo Oliveira from Venezuela for a period of four years following a positive test for methamphetamine. The tribunal rejected the player’s defense of indirect contamination, ruling that he failed to meet the burden of proof required under the anti-doping program.
2025-09-15 – Thai tennis player issued lifetime ban for extensive match-fixing Jatuporn Na Lamphun from Thailand received a permanent ban from professional tennis after being found guilty of corrupting sixteen matches between 2023 and 2024. The scale of the corruption led the ITIA to remove the player from the sport permanently to protect its integrity.
2025-09-10 – Australian Davis Cup captain sanctioned for offensive conduct Lleyton Hewitt from Australia was issued a two-week suspension for a breach of professional conduct involving a doping control official. The sanction addressed a forceful physical interaction during an integrity protocol implementation at a sanctioned event.
2025-07-24 – Three players provisionally suspended for boldenone violations Conner Huertas del Pino from Peru, Mateo Barreiros Reyes from Brazil, and Andres Urrea from Colombia were suspended after testing positive for the anabolic steroid boldenone. The samples were collected during an ATP Challenger event in Bogota, resulting in immediate provisional bans for all three athletes.
2025-01-31 – Six players sanctioned for historic corruption offenses in Belgium French players David Guez, Romain Bauvy, Yannick Jankovits, and Francois-Arthur Vibert, along with Agustin Moyano from Argentina and Jerome Inzerillo from France, were sanctioned. These cases were linked to a criminal match-fixing syndicate in Belgium, resulting in various multi-year bans and fines.
