Jannik Sinner: When Novak Djokovic retires from a match, it means he’s dealing with significant issues. It was unfortunate to witness. Jannik Sinner Tennis News Jannik Sinner: When Novak Djokovic retires from a match, it means he’s dealing with significant issues. It was unfortunate to witness. sporty90mins January 25, 2025 World No. 1 Sinner expressed his hopes for Djokovic’s quick recovery after the Serbian player was forced... Read More Read more about Jannik Sinner: When Novak Djokovic retires from a match, it means he’s dealing with significant issues. It was unfortunate to witness.