By surface
| Surface | John Isner | Nicolas Mahut |
|---|---|---|
| Grass | 3 | 1 |
All meetings (4)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2012-07-09 | ATP | Newport | Round of 16 | Grass | John Isner | 6-2 | 7-62 | |||
| 2011-06-20 | ATP | Wimbledon | Round of 128 | Grass | John Isner | 7-64 | 6-2 | 7-66 | ||
| 2010-06-21 | ATP | Wimbledon | Round of 128 | Grass | John Isner | 6-4 | 3-6 | 6-77 | 7-63 | 70-68 |
| 2008-06-09 | ATP | Queen's Club | Round of 32 | Grass | Nicolas Mahut | 5-7 | 4-6 |