| | Top level | Event type
Singles, Men – Match #1
| Date | 28 July 2021 | |
|---|---|---|
| Location | Ariake Tennis Forest Park, Ariake, Koto, Tokyo, Japan | |
| Chair Umpire | Louise Azemar Engzell |  SWE |
| Seed | Competitor | NOC | Sets Won | Set 1 | Set 2 | |
|---|---|---|---|---|---|---|
| – | Novak Đoković |  SRB | 2 | 6 | 6 | |
| – | Alejandro Davidovich Fokina |  ESP | 0 | 3 | 1 |
| Novak Đoković | Alejandro Davidovich Fokina | |
|---|---|---|
| Sets Won | 2 | 0 |
| Set 1 | 6 | 3 |
| Set 2 | 6 | 1 |