| Date | 25 July 2021 — 19:16 | |
|---|---|---|
| Location | Musashino Forest Sports Plaza, Chōfu, Tokyo, Japan | |
| Umpire | Tsutomu Toi |  JPN |
| Service Judge | Christof Osebold |  GER |
| Seed | Competitor | NOC | Games Won | Games Won | Game 1 | Game 2 | |
|---|---|---|---|---|---|---|---|
| – | Ratchanok Intanon |  THA | 2 | 2 | 21 | 21 | |
| – | Laura Sárosi |  HUN | 0 | 0 | 5 | 10 |
| Ratchanok Intanon | Laura Sárosi | |
|---|---|---|
| Games Won | 2 | 0 |
| Game 1 | 21 | 5 |
| Game 2 | 21 | 10 |
