| Date | 28 July 2021 | |
|---|---|---|
| Location | Ariake Tennis Forest Park, Ariake, Koto, Tokyo, Japan | |
| Chair Umpire | Jaume Campistol |  ESP |
| Competitor | NOC | Sets Won | Set #1 | Set #2 | Set #3 | |
|---|---|---|---|---|---|---|
| Ugo Humbert |  FRA | 2 | 2 | 7 (7) | 6 | |
| Stefanos Tsitsipas |  GRE | 1 | 6 | 6 (4) | 2 |
| Ugo Humbert | Stefanos Tsitsipas | |
|---|---|---|
| Sets Won | 2 | 1 |
| Set #1 | 2 | 6 |
| Set #2 | 7 (7) | 6 (4) |
| Set #3 | 6 | 2 |
