[13] Diego Schwartzman 4-6,4-6,7-5,1-6 Kei Nishikori [19] 2018-09-01 21:00
Stadium: Grandstand Round: 25 Ground: Hardcourt outdoor
Head to Head
| ATP Madrid | 2017/05/10 10:00 | Kei Nishikori v Diego Schwartzman | 1-6,6-0,6-4 |
| ATP Buenos Aires | 2017/02/16 00:05 | Kei Nishikori v Diego Schwartzman | 5-7,6-2,6-2 |
Home History
| US Open | 2018/08/30 17:05 | Diego Schwartzman v Jaume Munar | 6-2,6-0,5-7,6-2 |
| US Open | 2018/08/28 18:05 | Diego Schwartzman v Federico Delbonis | 6-2,7-6,6-2 |
| ATP Cincinnati | 2018/08/13 23:00 | Stan Wawrinka v Diego Schwartzman | 6-2,4-6,6-3 |
| ATP Toronto | 2018/08/09 20:00 | Diego Schwartzman v Marin Cilic | 3-6,2-6 |
| ATP Toronto | 2018/08/09 01:40 | Diego Schwartzman v Sam Querrey | 6-4,3-6,6-1 |
| ATP Toronto | 2018/08/06 23:00 | Diego Schwartzman v Kyle Edmund | 6-1,6-2 |
| ATP Hamburg | 2018/07/27 11:30 | Leonardo Mayer v Diego Schwartzman | 6-3,4-6,6-3 |
| ATP Hamburg | 2018/07/25 11:35 | Daniel Masur v Diego Schwartzman | 2-6,2-6 |
Away History
| US Open | 2018/08/28 22:35 | Maximilian Marterer v Kei Nishikori | 2-6,2-6,3-6 |
| ATP Cincinnati | 2018/08/16 00:50 | Kei Nishikori v Stan Wawrinka | 4-6,4-6 |
| ATP Cincinnati | 2018/08/13 15:00 | Kei Nishikori v Andrey Rublev | 7-5,6-3 |
| ATP Toronto | 2018/08/07 15:00 | Kei Nishikori v Robin Haase | 5-7,1-6 |
| ATP Washington | 2018/08/03 20:00 | Alexander Zverev v Kei Nishikori | 3-6,6-1,6-4 |
| ATP Washington | 2018/08/03 01:55 | Denis Shapovalov v Kei Nishikori | 6-7,3-6 |
| ATP Washington | 2018/08/02 00:20 | Donald Young v Kei Nishikori | 3-6,4-6 |
| Wimbledon | 2018/07/11 12:00 | Novak Djokovic v Kei Nishikori | 6-3,3-6,6-2,6-2 |