| 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 | Game #1 | Game #2 | Game #3 | Game #4 | |
|---|---|---|---|---|---|---|---|---|
| 27 | Yu Mengyu |  SGP | 4 | 11 | 11 | 11 | 11 | |
| – | Jieni Shao |  POR | 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 |
