Head to head
1
Hard
2
1
Clay
0
0
Grass
1
John Isner's wins on the left · Richard Gasquet's on the right · bar lengths share one scale
All meetings (5)
| 2017 | Eastbourne | Grass | QF | Richard Gasquet | 6-3 6-2 |
| 2013 | Cincinnati Masters | Hard | R32 | John Isner | 7-6(6) 6-2 |
| 2012 | Canada Masters | Hard | SF | Richard Gasquet | 7-6(3) 6-3 |
| 2010 | Belgrade | Clay | QF | John Isner | 2-6 7-6(6) 6-3 |
| 2009 | Basel | Hard | R16 | Richard Gasquet | 4-6 7-6(9) 6-2 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.