| Date | 28 July 2021 — 20:51 | |
|---|---|---|
| Location | Musashino Forest Sports Plaza, Chōfu, Tokyo, Japan (Court 1) | |
| Umpire | Satiawan Mahadoo |  MRI |
| Service Judge | Iris Metspalu |  EST |
| Seed | Competitor | NOC | Games Won | Games Won | Game 1 | Game 2 | |
|---|---|---|---|---|---|---|---|
| – | Heo Gwang-Hui |  KOR | 2 | 2 | 21 | 21 | |
| 1 | Kento Momota |  JPN | 0 | 0 | 15 | 19 |
| Heo Gwang-Hui | Kento Momota | |
|---|---|---|
| Games Won | 2 | 0 |
| Game 1 | 21 | 15 |
| Game 2 | 21 | 19 |
