Head to head
1
Hard
1
0
Clay
2
Fabio Fognini's wins on the left · Kei Nishikori's on the right · bar lengths share one scale
All meetings (4)
| 2021 | Rome Masters | Clay | R64 | Kei Nishikori | 6-3 6-4 |
| 2017 | Miami Masters | Hard | QF | Fabio Fognini | 6-4 6-2 |
| 2016 | Madrid Masters | Clay | R32 | Kei Nishikori | 6-2 3-6 7-5 |
| 2011 | Australian Open | Hard | R128 | Kei Nishikori | 6-1 6-4 6-7(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.