Head to head
1
Hard
0
1
Clay
0
Kei Nishikori's wins on the left · Felix Auger-Aliassime's on the right · bar lengths share one scale
All meetings (2)
| 2021 | Rotterdam | Hard | R32 | Kei Nishikori | 7-6(4) 6-1 |
| 2019 | Barcelona | Clay | R16 | Kei Nishikori | 6-1 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.