Jannik Sinner def. Alexander Zverev — Round robin, Nitto ATP Finals 2025

🇮🇹ATP No. 1ranked ATP number 1 going into this drawWon

Jannik Sinner seeded 2(2) 6 6

🇩🇪ATP No. 3ranked ATP number 3 going into this draw

Alexander Zverev seeded 3(3) 4 3