Head to head
0
Hard
1
0
Clay
1
1
Grass
0
Kei Nishikori's wins on the left · Sergiy Stakhovsky's on the right · bar lengths share one scale
All meetings (3)
| 2017 | Wimbledon | Grass | R64 | Kei Nishikori | 6-4 6-7(7) 6-1 7-6(6) |
| 2011 | Paris Masters | Hard | R64 | Sergiy Stakhovsky | 6-4 6-3 |
| 2011 | Roland Garros | Clay | R64 | Sergiy Stakhovsky | 6-1 3-6 6-3 7-6(3) |
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.