| Singles | |
|---|---|
| 2013 Hall of Fame Tennis Championships | |
| Champion |
|
| Runner-up |
|
| Final score | 5-7, 7-5, 6-3 |
John Isner was the two-time defending champion, but was defeated by 2012 finalist Lleyton Hewitt in the semifinals. Nicolas Mahut defeated Hewitt in the final 5-7, 7-5, 6-3.
All seeds received a bye into the second round.