| Date | 28 July 2021 — 18:45 | |
|---|---|---|
| Location | Musashino Forest Sports Plaza, Chōfu, Tokyo, Japan (Court 3) | |
| Referee | Everardo García |  MEX |
| Umpire | Fine Dathan |  IND |
| Service Judge | Paul Buffham |  GBR |
| Seed | Competitor | NOC | Games Won | Game #1 | Game #2 | |
|---|---|---|---|---|---|---|
| 4 | Viktor Axelsen |  DEN | 2 | 21 | 21 | |
| – | Kalle Koljonen |  FIN | 0 | 9 | 13 |
| Viktor Axelsen | Kalle Koljonen | |
|---|---|---|
| Games Won | 2 | 0 |
| Game #1 | 21 | 9 |
| Game #2 | 21 | 13 |
