Head to head
Rivalry summary
Kei Nishikori and Diego Schwartzman met 5 times on the ATP tour between 2017 and 2021. Kei Nishikori leads the head-to-head 3–2 against Diego Schwartzman. By surface, they are level 1–1 on hard; Nishikori leads 2–1 on clay.
1
Hard
1
2
Clay
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Kei Nishikori's wins on the left · Diego Schwartzman's on the right · bar lengths share one scale
All meetings (5)
| 2021 | ATP Cup | Hard | R128 | Diego Schwartzman | 6-1 6-7(4) 6-0 |
| 2019 | Rome Masters | Clay | QF | Diego Schwartzman | 6-4 6-2 |
| 2018 | US Open | Hard | R32 | Kei Nishikori | 6-4 6-4 5-7 6-1 |
| 2017 | Madrid Masters | Clay | R32 | Kei Nishikori | 1-6 6-0 6-4 |
| 2017 | Buenos Aires | Clay | R16 | Kei Nishikori | 5-7 6-2 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.