| Date | 25 July 2021 — 14:45 | |
|---|---|---|
| Location | Tōkyō Taiikukan, Shibuya, Tokyo (Table 1) | |
| Umpire | Anja Gersdorf |  GER |
| Umpire | Kyoko Gondo |  JPN |
| Seed | Competitor | NOC | Games Won | Games Won | Game 1 | Game 2 | Game 3 | Game 4 | |
|---|---|---|---|---|---|---|---|---|---|
| 27 | Yu Mengyu |  SGP | 4 | 4 | 11 | 11 | 11 | 11 | |
| – | Jieni Shao |  POR | 0 | 0 | 3 | 2 | 8 | 9 |
| Yu Mengyu | Jieni Shao | |
|---|---|---|
| Games Won | 4 | 0 |
| Game 1 | 11 | 3 |
| Game 2 | 11 | 2 |
| Game 3 | 11 | 8 |
| Game 4 | 11 | 9 |
