Jannik Sinner has been turning heads with his incredible tennis skills for the past few years, but it’s his support system that often takes center stage in his speeches—especially his brother! He has made a few appearances cheering on the World No. 1 as he dominates the courts, proving that family is a key part of Jannik’s journey.

Sinner first made waves in 2019 as a 17-year-old, winning multiple ATP Challenger titles, breaking into the top 100, and clinching the Next Gen ATP Finals, along with the ATP Newcomer of the Year award. Throughout it all, his older brother has been a steady pillar of support. Let’s find out who the older Sinner is!

Who is Jannik Sinner’s brother?

Sinner’s older brother, Marc, was born in Russia in 1998 and adopted by the Sinner family when he was just a baby

See Full Page