[30] John Isner 4-6,6-3,6-4 Cristian Garin [20] 2021-08-11 15:00
Stadium: Grandstand Round: 25 Ground: Hardcourt outdoor
Head to Head
| ATP Paris | 2019/10/30 12:15 | Cristian Garin v John Isner | 7-6,7-6 |
| ATP Montreal | 2019/08/07 21:15 | Cristian Garin v John Isner | 6-3,6-4 |