John Isner Walkover - away Jannik Sinner 2021-10-12 18:00
Round: 25 Ground: Hardcourt outdoor
Head to Head
| ATP Cincinnati | 2021/08/18 19:35 | Jannik Sinner v John Isner | 7-5,6-7,4-6 |
Home History
| ATP Indian Wells | 2021/10/11 03:30 | John Isner v Yoshihito Nishioka | 6-3,6-4 |
| Laver Cup | 2021/09/25 18:50 | Alexander Zverev v John Isner | 7-6,6-7,10-5 |
| US Open | 2021/08/30 17:35 | John Isner v Brandon Nakashima | 6-7,6-7,3-6 |
| ATP Cincinnati | 2021/08/19 16:05 | John Isner v Benoit Paire | 6-7,7-6,1-6 |
| ATP Cincinnati | 2021/08/18 19:35 | Jannik Sinner v John Isner | 7-5,6-7,4-6 |
| ATP Cincinnati | 2021/08/17 17:55 | John Isner v Cameron Norrie | 4-6,7-6,6-4 |
| ATP Toronto | 2021/08/15 00:00 | Daniil Medvedev v John Isner | 6-2,6-2 |
| ATP Toronto | 2021/08/14 01:35 | John Isner v Gael Monfils | 7-6,6-4 |
Away History
| ATP Indian Wells | 2021/10/10 18:00 | John Millman v Jannik Sinner | 2-6,2-6 |
| ATP Sofia | 2021/10/03 13:30 | Jannik Sinner v Gael Monfils | 6-3,6-4 |
| ATP Sofia | 2021/10/02 15:00 | Jannik Sinner v Filip Krajinovic | 6-3,7-5 |
| ATP Sofia | 2021/10/01 15:00 | Jannik Sinner v James Duckworth | 7-6,6-4 |
| ATP Sofia | 2021/09/30 15:00 | Jannik Sinner v Egor Gerasimov | 6-2,7-6 |
| US Open | 2021/09/06 16:00 | Alexander Zverev v Jannik Sinner | 6-4,6-4,7-6 |
| US Open | 2021/09/04 18:00 | Gael Monfils v Jannik Sinner | 6-7,2-6,6-4,6-4,4-6 |
| US Open | 2021/09/02 20:20 | Zachary Svajda v Jannik Sinner | 3-6,6-7,7-6,4-6 |