| Date | 25 July 2021 — 19:55 | |
|---|---|---|
| Location | Musashino Forest Sports Plaza, Chōfu, Tokyo, Japan (Court 2) | |
| Umpire | David Wong |  MAS |
| Service Judge | Paul Buffham |  GBR |
| Seed | Competitor | NOC | Games Won | Game #1 | Game #2 | |
|---|---|---|---|---|---|---|
| 14 | Kantaphon Wangcharoen |  THA | 2 | 21 | 21 | |
| – | Kai Schäfer |  GER | 0 | 13 | 15 |
| Kantaphon Wangcharoen | Kai Schäfer | |
|---|---|---|
| Games Won | 2 | 0 |
| Game #1 | 21 | 13 |
| Game #2 | 21 | 15 |
