4 Khachanov Karen - Nishikori Kei
7-5 2-5 retired
Khachanov Karen
| Birthdate | May 21, 1996 |
| Country | Russia |
| Height | 198 cm |
| Weight | 87 kg |
| May 21, 1996 | Birthdate | Dec 29, 1989 |
| Russia | Country | Japan |
| 198 cm | Height | 178 cm |
| 87 kg | Weight | 73 kg |
Nishikori Kei
| Birthdate | Dec 29, 1989 |
| Country | Japan |
| Height | 178 cm |
| Weight | 73 kg |
Head-to-Head
| Date | Tournament | Surface | Winner | Score |
|---|---|---|---|---|
| May 04, 2021 | Madrid - Masters | clay | Nishikori Kei | 6-7 6-2 6-2 |
| Jun 02, 2021 | French Open | clay | Nishikori Kei | 4-6 6-2 2-6 6-4 6-4 |
| Jan 01, 2025 | Hong Kong ATP | hard | Nishikori Kei | 4-6 6-3 7-5 |