| Date | 29 July 2021 — 12:25 | |
|---|---|---|
| Location | Musashino Forest Sports Plaza, Chōfu, Tokyo, Japan | |
| Umpire | Gérald Arseneault |  CAN |
| Service Judge | Liu Yun |  CHN |
| Seed | Competitor | NOC | Games Won | Games Won | Game 1 | Game 2 | |
|---|---|---|---|---|---|---|---|
| – | Akane Yamaguchi |  JPN | 2 | 2 | 21 | 21 | |
| – | Kim Ga-Eun |  KOR | 0 | 0 | 17 | 18 |
| Akane Yamaguchi | Kim Ga-Eun | |
|---|---|---|
| Games Won | 2 | 0 |
| Game 1 | 21 | 17 |
| Game 2 | 21 | 18 |
