In a remarkable turn of events, Valentin Vacherot, ranked No. 204 in the world, triumphed over his cousin Arthur Rinderknech in the final of the 2025 Shanghai Masters, securing a 4-6, 6-3, 6-3 victory on Sunday, October 12. This win marks Vacherot’s first ATP 1000 title and makes him the first Monegasque player to claim an ATP singles title.

Despite dropping the first set, Vacherot showcased resilience and tactical prowess, breaking Rinderknech’s serve early in the second set and maintaining the momentum to seal the match in just over two hours. His performance was highlighted by eight aces and 12 winners, demonstrating his aggressive baseline play.

The match was particularly poignant, as the two cousins embraced emotionally at the net post-match, reflecting the unique family dynamic of the final. Rinderknech, ranked No. 54, had a strong start but couldn’t withstand Vacherot’s surge in the latter stages of the match.

Vacherot’s victory is a testament to his determination and skill, propelling him into the ATP Top 100 for the first time in his career. This historic win not only elevates his ranking but also places Monaco on the tennis map, marking a significant milestone in the sport’s history.