| Date | 25 July 2021 — 15:30 | |
|---|---|---|
| Location | Tōkyō Taiikukan, Shibuya, Tokyo (Table 3) | |
| Umpire | Satoko Sueyoshi |  JPN |
| Umpire | Jaume Colldeforn |  ESP |
| Seed | Competitor | NOC | Games Won | Game #1 | Game #2 | Game #3 | Game #4 | Game #5 | Game #6 | Game #7 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| – | Sin Yu-Bin |  KOR | 4 | 2 | 19 | 5 | 11 | 11 | 8 | 11 | |
| 17 | Xia Lian Ni |  LUX | 3 | 11 | 17 | 11 | 7 | 8 | 11 | 5 |
| Sin Yu-Bin | Xia Lian Ni | |
|---|---|---|
| Games Won | 4 | 3 |
| Game #1 | 2 | 11 |
| Game #2 | 19 | 17 |
| Game #3 | 5 | 11 |
| Game #4 | 11 | 7 |
| Game #5 | 11 | 8 |
| Game #6 | 8 | 11 |
| Game #7 | 11 | 5 |
