Head to head
0
Hard
2
0
Clay
1
2
Grass
0
Andreas Seppi's wins on the left · Kei Nishikori's on the right · bar lengths share one scale
All meetings (5)
| 2018 | Monte Carlo Masters | Clay | R16 | Kei Nishikori | 6-0 2-6 6-3 |
| 2015 | Halle | Grass | SF | Andreas Seppi | 4-1 RET |
| 2013 | Canada Masters | Hard | R32 | Kei Nishikori | 4-6 7-5 6-1 |
| 2013 | Wimbledon | Grass | R32 | Andreas Seppi | 3-6 6-2 6-7(4) 6-1 6-4 |
| 2011 | Basel | Hard | R16 | Kei Nishikori | 6-3 7-6(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.