| Date | 8 August 2016 — 21:06 | |
|---|---|---|
| Location | Centro Olímpico de Tênis, Parque Olímpico da Barra, Barra da Tijuca, Rio de Janeiro (Centre Court) | |
| Chair Umpire | James Keothavong |  GBR |
| Seed | Competitor | NOC | Sets Won | Set 1 | Set 2 | |
|---|---|---|---|---|---|---|
| 4 | Kei Nishikori |  JPN | 2 | 7 (7) | 6 | |
| – | John Millman |  AUS | 0 | 6 (4) | 4 |
| Kei Nishikori | John Millman | |
|---|---|---|
| Sets Won | 2 | 0 |
| Set 1 | 7 (7) | 6 (4) |
| Set 2 | 6 | 4 |
