| Match: Finished | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| F. Tiafoe (USA) | 7 | 7(8) | 6(1) | 7 |
| G. Dimitrov (BUL) [20] | 5 | 6(6) | 7(7) | 5 |
| Completed Sets | ||
|---|---|---|
| Set won by F. Tiafoe | 7 - 5 | F. Tiafoe leads 3 to 1 |
| Set won by G. Dimitrov | 6(1) - 7(7) | G. Dimitrov trails 2 to 1 |
| Set won by F. Tiafoe | 7(8) - 6(6) | F. Tiafoe leads 2 to 0 |
| Set won by F. Tiafoe | 7 - 5 | F. Tiafoe leads 1 to 0 |