[67] Kei Nishikori 4-6,6-3,5-7 Mackenzie McDonald [107] 2021-08-07 22:00
Stadium: Stadium Round: 28 Ground: Hardcourt outdoor
Head to Head
| Challenger Dallas | 2018/02/04 03:10 | Kei Nishikori v Mackenzie McDonald | 6-1,6-4 |
Home History
| ATP Washington | 2021/08/06 23:00 | Lloyd Harris v Kei Nishikori | 3-6,5-7 |
| ATP Washington | 2021/08/05 20:35 | Kei Nishikori v Cameron Norrie | 3-6,6-3,6-3 |
| ATP Washington | 2021/08/04 21:40 | Alexander Bublik v Kei Nishikori | 2-6,5-7 |
| ATP Washington | 2021/08/02 23:00 | Kei Nishikori v Sam Querrey | 6-4,6-3 |
| Olympics 2020 - Men | 2021/07/29 09:00 | Novak Djokovic v Kei Nishikori | 6-2,6-0 |
| Olympics 2020 - Men | 2021/07/28 03:50 | Ilya Ivashka v Kei Nishikori | 6-7,0-6 |
| Olympics 2020 - Men | 2021/07/27 08:05 | Marcos Giron v Kei Nishikori | 6-7,6-3,1-6 |
| Olympics 2020 - Men | 2021/07/25 08:15 | Kei Nishikori v Andrey Rublev | 6-3,6-4 |
Away History
| ATP Washington | 2021/08/07 01:15 | Mackenzie McDonald v Denis Kudla | 6-3,6-2 |
| ATP Washington | 2021/08/05 23:05 | Ilya Ivashka v Mackenzie McDonald | 4-6,4-6 |
| ATP Washington | 2021/08/04 22:10 | Mackenzie McDonald v Benoit Paire | 6-7,6-4,6-4 |
| ATP Washington | 2021/08/03 23:00 | Mackenzie McDonald v Nick Kyrgios | 6-4,6-4 |
| ATP Atlanta | 2021/07/27 16:30 | Mackenzie McDonald v Emil Ruusuvuori | 6-7,5-7 |
| ATP Los Cabos | 2021/07/21 00:00 | Ernesto Escobedo v Mackenzie McDonald | 6-3,6-4 |
| Wimbledon | 2021/06/28 15:50 | Mackenzie McDonald v Karen Khachanov | 6-3,3-6,4-6,6-7 |
| Wimbledon | 2021/06/24 12:30 | Mackenzie McDonald v Maxime Cressy | 3-6,4-6,6-3,6-4,6-4 |