| Singles | |
|---|---|
| 2017 Delray Beach International Tennis Championships | |
| Champion |
|
| Runner-up |
|
| Final score | Walkover |
| Draw | 32 (4Q / 3WC) |
| Seeds | 8 |
Sam Querrey was the defending champion, but lost in the quarterfinals to Juan Martín del Potro.
Jack Sock won the title after Milos Raonic withdrew from the final due to a hamstring injury.