Head to head
2
Hard
0
1
Clay
1
Kei Nishikori's wins on the left · Guillermo Garcia-Lopez's on the right · bar lengths share one scale
All meetings (4)
| 2018 | Barcelona | Clay | R32 | Guillermo Garcia-Lopez | 6-3 RET |
| 2016 | Australian Open | Hard | R32 | Kei Nishikori | 7-5 2-6 6-3 6-4 |
| 2014 | Madrid Masters | Clay | R32 | Kei Nishikori | 6-3 6-1 |
| 2008 | Tokyo | Hard | R32 | Kei Nishikori | 6-4 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.