| Date | 1 August 2021 | |
|---|---|---|
| Location | Ariake Tennis Forest Park, Ariake, Koto, Tokyo, Japan | |
| Chair Umpire | Alison Hughes |  GBR |
| Competitor | NOC | Sets Won | Set #1 | Set #2 | |
|---|---|---|---|---|---|
| Alexander Zverev |  GER | 2 | 6 | 6 | |
| Karen Khachanov |  ROC | 0 | 3 | 1 |
| Alexander Zverev | Karen Khachanov | |
|---|---|---|
| Sets Won | 2 | 0 |
| Set #1 | 6 | 3 |
| Set #2 | 6 | 1 |
