Head to head
1
Hard
0
1
Clay
0
John Isner's wins on the left · Denis Kudla's on the right · bar lengths share one scale
All meetings (2)
| 2016 | Houston | Clay | R16 | John Isner | 7-6(2) 7-6(4) |
| 2015 | Atlanta | Hard | SF | John Isner | 4-6 6-2 7-5 |
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.