Head to head
1
Hard
0
2
Clay
0
John Isner's wins on the left · Marco Chiudinelli's on the right · bar lengths share one scale
All meetings (3)
| 2012 | Davis Cup WG R1: SUI vs USA | Clay | RR | John Isner | 6-3 6-4 |
| 2010 | US Open | Hard | R64 | John Isner | 6-3 3-6 7-6(7) 6-4 |
| 2010 | Roland Garros | Clay | R64 | John Isner | 6-7(3) 7-6(3) 7-6(7) 6-4 |
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.