[19] Karen Khachanov 2-6,2-6 Kei Nishikori [11] 2018-08-23 13:00
Stadium: Center Court Round: 26 Ground: Hardcourt indoor
Head to Head
| ATP Halle | 2018/06/20 11:50 | Kei Nishikori v Karen Khachanov | 2-6,2-6 |
| US Open 2016 | 2016/09/01 16:20 | Kei Nishikori v Karen Khachanov | 6-4,4-6,6-4,6-3 |
Home History
| ATP Cincinnati | 2018/08/16 22:10 | Karen Khachanov v Marin Cilic | 6-7,6-3,4-6 |
| ATP Cincinnati | 2018/08/15 19:30 | Sam Querrey v Karen Khachanov | 5-7,4-6 |
| ATP Cincinnati | 2018/08/14 16:15 | Karen Khachanov v Albert Ramos-Vinolas | 2-6,6-3,6-2 |
| ATP Toronto | 2018/08/12 02:15 | Rafael Nadal v Karen Khachanov | 7-6,6-4 |
| ATP Toronto | 2018/08/10 22:30 | Robin Haase v Karen Khachanov | 3-6,1-6 |
| ATP Toronto | 2018/08/09 22:40 | Karen Khachanov v John Isner | 7-6,7-6 |
| ATP Toronto | 2018/08/08 16:00 | Pablo Carreno Busta v Karen Khachanov | 4-6,6-7 |
| ATP Toronto | 2018/08/07 15:00 | Filip Krajinovic v Karen Khachanov | 3-6,2-6 |
Away History
| 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 |
| Wimbledon | 2018/07/09 12:25 | Kei Nishikori v Ernests Gulbis | 4-6,7-6,7-6,6-1 |