| | Top level | Event type
Singles, Women – Quarter-Finals, Match #4
| Date | 30 July 2021 — 18:27 | |
|---|---|---|
| Location | Musashino Forest Sports Plaza, Chōfu, Tokyo, Japan | |
| Umpire | Sven Serré |  BEL |
| Service Judge | Fine Dathan |  IND |
| Seed | Competitor | NOC | Games Won | Game 1 | Game 2 | Game 3 | |
|---|---|---|---|---|---|---|---|
| – | Tai Tzu-Ying |  TPE | 2 | 14 | 21 | 21 | |
| – | Ratchanok Intanon |  THA | 1 | 21 | 18 | 18 |
| Tai Tzu-Ying | Ratchanok Intanon | |
|---|---|---|
| Games Won | 2 | 1 |
| Game 1 | 14 | 21 |
| Game 2 | 21 | 18 |
| Game 3 | 21 | 18 |