[35] John Isner 7-6,6-4 Jack Sock [201] 2021-07-29 23:00
Stadium: Stadium Court Round: 26 Ground: Hardcourt outdoor
Head to Head
| ATP Paris | 2016/11/04 13:00 | John Isner v Jack Sock | 7-6,4-6,6-4 |
| ATP Houston | 2016/04/09 20:05 | John Isner v Jack Sock | 6-7,3-6 |
| ATP Newport | 2014/07/11 18:40 | John Isner v Jack Sock | 4-6,6-7 |
Home History
| ATP Atlanta | 2021/07/27 19:00 | John Isner v Jeffrey John Wolf | 6-4,6-7,6-4 |
| ATP Los Cabos | 2021/07/24 03:00 | Brandon Nakashima v John Isner | 7-5,6-4 |
| ATP Los Cabos | 2021/07/23 02:30 | Alex Bolt v John Isner | 3-6,4-6 |
| ATP Los Cabos | 2021/07/22 02:15 | Evgeny Donskoy v John Isner | 5-7,6-3,6-7 |
| Wimbledon | 2021/06/30 10:00 | Yoshihito Nishioka v John Isner | 7-6,2-6,6-3,6-7,6-4 |
| French Open | 2021/06/04 19:00 | Stefanos Tsitsipas v John Isner | 5-7,6-3,7-6,6-1 |
| French Open | 2021/06/02 12:35 | Filip Krajinovic v John Isner | 6-7,1-6,6-7 |
| French Open | 2021/05/31 09:00 | Sam Querrey v John Isner | 6-7,3-6,4-6 |
Away History
| ATP Atlanta | 2021/07/28 00:00 | Jack Sock v Ricardas Berankis | 6-7,6-4,7-5 |
| Challenger Cary | 2021/07/21 22:40 | Christopher Eubanks v Jack Sock | 7-6,7-5 |
| Challenger Cary | 2021/07/20 21:00 | Jack Sock v Ulises Blanch | 2-6,6-4,6-2 |
| ATP Newport | 2021/07/15 18:20 | Jack Sock v Kevin Anderson | 7-6,2-6,4-6 |
| ATP Newport | 2021/07/14 19:15 | Yoshihito Nishioka v Jack Sock | 2-6,3-6 |
| ATP Newport | 2021/07/13 19:00 | Jack Sock v Alex Bolt | 3-6,6-4,6-3 |
| Challenger Orlando | 2021/06/08 20:20 | Mitchell Krueger v Jack Sock | 6-2,7-5 |
| Challenger Little Rock | 2021/06/06 19:00 | Jack Sock v Emilio Gomez | 7-5,6-4 |