Jannik Sinner won his first Wimbledon title in 2025, defeating Carlos Alcaraz. Sinner, born in San Candido, Italy, has a brother named Marc. He once dated Anna Kalinskaya. Sinner previously excelled in skiing before switching to tennis.

Kalinskaya is a Russian tennis player who started playing at the age of 14. according to the U.K.'s Sun. She moved to the United States to go into tennis as a career, and Kalinskaya famously won her very first grand slam girls double title at the 2016 Australian Open with Tereza Mihalikova when she was just 17.