Kei Nishikori defeated Diego Schwartzman 1-6 6-0 6-4 in the Madrid Masters round of 32 on clay. The result followed the form book — Kei Nishikori came in defending last year's semi-final. Kei Nishikori extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-02-02 | Atp Cup | RR | hard | Diego Schwartzman | 6-1 6-7(4) 6-0 |
| 2019-05-13 | Rome Masters | QF | clay | Diego Schwartzman | 6-4 6-2 |
| 2018-08-27 | US Open | R32 | hard | Kei Nishikori | 6-4 6-4 5-7 6-1 |
| 2017-02-13 | Buenos Aires | R16 | clay | Kei Nishikori | 5-7 6-2 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About