Head to head
1
Hard
0
0
Clay
1
John Isner's wins on the left · Sergiy Stakhovsky's on the right · bar lengths share one scale
All meetings (2)
| 2011 | Madrid Masters | Clay | R32 | Sergiy Stakhovsky | 7-5 4-6 7-6(3) |
| 2009 | Miami Masters | Hard | R128 | John Isner | 6-4 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.