Who is Jannik Sinner? Everything to know about the 23-year-old Wimbledon winner, his girlfriend and brother

On July 13, 2025, Jannik Sinner made tennis history by winning his first Wimbledon title. The 23-year-old Italian star defeated defending champion Carlos Alcaraz in four sets at Centre Court. As fans celebrated his big win, many began to ask simple questions: Who is Jannik Sinner? What do we know about his family, age, and personal life?


Jannik Sinner age, brother Marc Sinner, and family life

Jannik Sinner was born on August 16, 2001, in San Candido, a small town in northern Italy. That makes Jannik Sinner’s age 23 as of July 2025. He comes from a close-knit family. His father, Johann Sinner, worked as a chef, and his mother, Siglinde Sinner, worked at a ski lodge.

Jannik Sinner is a Wimbledon champion 🇮🇹

The world No.1 defeats Carlos Alcaraz 4-6, 6-4, 6-4, 6-4 to win the 2025 Gentlemen's Singles Trophy 🏆#Wimbledon pic.twitter.com/UMnwV4Fw78

— Wimbledon (@Wimbledon) July 13, 2025

Jannik Sinner brother named Marc Sinner. While not many details are publicly available, several sources confirm that Marc Sinner was adopted by the Sinner family. He works as a fire instructor and lives a quiet life away from the spotlight. Still, Marc has always supported Jannik’s tennis journey. Their bond is strong, even though Jannik once admitted in an interview that they don’t talk often.

Before turning to tennis, Jannik Sinner was also a skilled skier. He started skiing at a young age and even won junior competitions. However, by age 13, he made the decision to switch to tennis full time, and his parents supported that move completely.


Jannik Sinner girlfriend Anna Kalinskaya and personal journey

Jannik Sinner’s girlfriend in 2024 was Russian tennis player Anna Kalinskaya. They were first spotted together during the French Open and later at the US Open, where she cheered him on from the stands. But during a press conference at the Italian Open in May 2025, Jannik Sinner confirmed their breakup. As of now, Jannik Sinner is single and focused on his career.

Also Read: Wimbledon 2025: Jannik Sinner Beats Carlos Alcaraz, Clinches Maiden Grand Slam Title On Grass

Jannik Sinner’s journey has been full of dedication and hard work. With his Wimbledon 2025 win, he became the first Italian man to win the tournament in its history. He also holds four Grand Slam titles and is currently ranked world number one.