Head to head
1
Hard
0
1
Grass
0
Kei Nishikori's wins on the left · Ricardas Berankis's on the right · bar lengths share one scale
All meetings (2)
| 2021 | Halle | Grass | R32 | Kei Nishikori | 6-3 2-6 6-2 |
| 2012 | Atlanta | Hard | R16 | Kei Nishikori | 6-4 6-7(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.