| Date | 27 July 2021 | |
|---|---|---|
| Location | Ariake Tennis Forest Park, Ariake, Koto, Tokyo, Japan | |
| Chair Umpire | Emmanuel Joseph |  FRA |
| Seed | Competitor | NOC | Sets Won | Sets Won | Set 1 | Set 2 | |
|---|---|---|---|---|---|---|---|
| – | Markéta Vondroušová |  CZE | 2 | 2 | 6 | 6 | |
| – | Naomi Osaka |  JPN | 0 | 0 | 1 | 4 |
| Markéta Vondroušová | Naomi Osaka | |
|---|---|---|
| Sets Won | 2 | 0 |
| Set 1 | 6 | 1 |
| Set 2 | 6 | 4 |
