| Date | 25 July 2021 — 11:17 | |
|---|---|---|
| Location | Musashino Forest Sports Plaza, Chōfu, Tokyo, Japan (Court 1) | |
| Umpire | David Schwerin |  AUT |
| Service Judge | Paul Buffham |  GBR |
| Seed | Competitor | NOC | Games Won | Games Won | Game 1 | Game 2 | |
|---|---|---|---|---|---|---|---|
| 12 | Kanta Tsuneyama |  JPN | 2 | 2 | 21 | 21 | |
| – | Julien Paul |  MRI | 0 | 0 | 8 | 6 |
| Kanta Tsuneyama | Julien Paul | |
|---|---|---|
| Games Won | 2 | 0 |
| Game 1 | 21 | 8 |
| Game 2 | 21 | 6 |
