Head to head
1
Hard
0
1
Clay
0
1
Grass
1
Kei Nishikori's wins on the left · Andrey Kuznetsov's on the right · bar lengths share one scale
All meetings (4)
| 2017 | Australian Open | Hard | R128 | Kei Nishikori | 5-7 6-1 6-4 6-7(6) 6-2 |
| 2016 | Wimbledon | Grass | R32 | Kei Nishikori | 7-5 6-3 7-5 |
| 2016 | Roland Garros | Clay | R64 | Kei Nishikori | 6-3 6-3 6-3 |
| 2010 | Eastbourne | Grass | R32 | Andrey Kuznetsov | 6-4 3-1 RET |
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.