Head to head
0
Hard
2
1
Clay
3
Albert Ramos-Vinolas's wins on the left · Kei Nishikori's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2020 | Rome Masters | Clay | R64 | Kei Nishikori | 6-4 7-6(3) |
| 2016 | Rio Olympics | Hard | R64 | Kei Nishikori | 6-2 6-4 |
| 2013 | Barcelona | Clay | R16 | Albert Ramos-Vinolas | 6-4 7-6(4) |
| 2012 | Kuala Lumpur | Hard | R16 | Kei Nishikori | 6-7(5) 6-2 6-1 |
| 2012 | Barcelona | Clay | R16 | Kei Nishikori | 7-6(2) 6-3 |
| 2012 | Monte Carlo Masters | Clay | R64 | Kei Nishikori | 6-2 7-5 |
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.