| Date | 28 July 2021 — 20:02 | |
|---|---|---|
| Location | Musashino Forest Sports Plaza, Chōfu, Tokyo, Japan (Court 1) | |
| Umpire | Eric Desroches |  CAN |
| Service Judge | Christian Johannessen |  DEN |
| Seed | Competitor | NOC | Games Won | Games Won | Game 1 | Game 2 | |
|---|---|---|---|---|---|---|---|
| 12 | Kanta Tsuneyama |  JPN | 2 | 2 | 21 | 21 | |
| – | Ygor Coelho |  BRA | 0 | 0 | 14 | 8 |
| Kanta Tsuneyama | Ygor Coelho | |
|---|---|---|
| Games Won | 2 | 0 |
| Game 1 | 21 | 14 |
| Game 2 | 21 | 8 |
