Tennis star takes swipe at Jannik Sinner after Wimbledon victory

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Australian tennis star Nick Kyrgios took a swipe at world No. 1 Jannik Sinner after he won Wimbledon for the first time in his career over Carlos Alcaraz on Sunday.

Sinner won the Grand Slam title in four sets. Kyrgios wasn’t one to immediately celebrate the Italian star’s triumph.

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Italy's Jannik Sinner celebrates with the trophy after beating Carlos Alcaraz of Spain to win the men's singles final at the Wimbledon Tennis Championships in London on Sunday, July 13, 2025.  (AP Photo/Kin Cheung)

He posted an asterisk on social media.

The reaction came as Sinner’s positive tests for the anabolic steroid clostebol came to light last year. The World Anti-Doping Agency (WADA) suspended Sinner for three months. The International Tennis Integrity Agency (ITIA) said Sinner hadn’t intentionally used a banned substance.

Sinner tested positive for low levels of a metabolite of clostebol, a banned anabolic steroid that can be used for ophthalmological and dermatological use, in March 2024. Eight days after the Indian Wells tournament, Sinner tested positive again in an out-of-competition sample. 

According to the ITIA’s initial findings, Sinner explained that he had tested positive after receiving a massage from a trainer who had used an over-the-counter spray that contained clostebol to treat a small wound after cutting his own finger.

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Nick Kyrgios of Australia speaks during a press conference during a practice session ahead of the 2023 Australian Open at Melbourne Park on Jan. 14, 2023 in