Head to head
3
Hard
0
1
Clay
1
Kei Nishikori's wins on the left · Pablo Andujar's on the right · bar lengths share one scale
All meetings (5)
| 2015 | Canada Masters | Hard | R32 | Kei Nishikori | 6-3 6-3 |
| 2015 | Barcelona | Clay | F | Kei Nishikori | 6-4 6-4 |
| 2014 | US Open | Hard | R64 | Kei Nishikori | 6-4 6-1 RET |
| 2013 | Madrid Masters | Clay | QF | Pablo Andujar | 6-3 7-5 |
| 2011 | Winston-Salem | Hard | R32 | Kei Nishikori | 7-6(3) 6-2 |
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.