| Date | — | |
|---|---|---|
| Location | Ariake Tennis Forest Park, Ariake, Koto, Tokyo, Japan | |
| Chair Umpire | John Blom |  AUS |
| Competitor | NOC | Sets Won | Set #1 | Set #2 | Set #3 | |
|---|---|---|---|---|---|---|
| Pablo Carreño Busta |  ESP | 2 | 5 | 6 | 6 | |
| Marin Čilić |  CRO | 1 | 7 | 4 | 4 |
| Pablo Carreño Busta | Marin Čilić | |
|---|---|---|
| Sets Won | 2 | 1 |
| Set #1 | 5 | 7 |
| Set #2 | 6 | 4 |
| Set #3 | 6 | 4 |
