Round: 26 Ground: Clay
| ITF - USA F31 | 2017/09/19 17:00 | Matias Franco Descotte v Hunter Callahan | 3-6,4-6 |
| ITF - USA F30 | 2017/09/13 16:00 | Laurens Verboven v Hunter Callahan | 7-6,4-6,6-4 |
| ITF - Kanada F5 | 2017/08/31 18:30 | Ante Pavic v Hunter Callahan | 7-6,6-4 |
| ITF - Kanada F5 | 2017/08/29 17:55 | Hunter Callahan v Alexander Day | 6-4,6-3 |
| ITF - USA F27 | 2017/08/12 14:30 | Or Ram-Harel v Hunter Callahan | 6-3,1-6,6-3 |
| ITF - USA F27 | 2017/08/11 14:30 | Alfredo Perez v Hunter Callahan | 6-3,1-6,4-6 |
| ITF - USA F27 | 2017/08/10 14:30 | Hunter Callahan v Alex Rybakov | 7-5,7-5 |
| ITF - USA F27 | 2017/08/08 18:10 | Hunter Callahan v Eric James Johnson | 6-4,6-2 |