Head to head
1
Hard
1
Kei Nishikori's wins on the left · Robin Haase's on the right · bar lengths share one scale
All meetings (2)
| 2018 | Canada Masters | Hard | R64 | Robin Haase | 7-5 6-1 |
| 2011 | Shanghai Masters | Hard | R64 | Kei Nishikori | 0-6 7-5 7-6(5) |
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.