Round: 25 Ground: Hardcourt outdoor
| ITF Mexico F2 | 2017/05/01 15:00 | Callahan, Hunter v Spiering, Marvin Bernardo Becker | 6-2,6-1 |
| ITF Mexico F2 | 2017/04/30 15:00 | Callahan, Hunter v 맥브리드, 매트 | 6-2,6-2 |
| Sarasota, USA, Qualifying | 2017/04/15 14:00 | Callahan, Hunter v 소르기, 조아오 페드로 | 6-7,4-6 |
| ITF Greece F5 | 2017/04/06 07:35 | Callahan, Hunter v 본지, 벤자민 | 4-6,6-4,3-6 |
| ITF Greece F5 | 2017/04/05 06:30 | Zgombic, Fran Zvonimir v Callahan, Hunter | 3-6,1-6 |
| ITF Greece F4 | 2017/04/01 06:30 | 함펠, 레니 v Callahan, Hunter | 6-3,7-5 |
| ITF Greece F4 | 2017/03/31 10:25 | 카피리스, 스타마티스 v Callahan, Hunter | 2-6,1-6 |
| ITF Greece F4 | 2017/03/28 10:30 | Callahan, Hunter v 이스마일로브, 테무르 | 6-2,3-6,7-6 |
| ITF USA F13 | 2017/04/12 21:10 | Lamble, John v Lin, Winston | 6-7,7-6,1-6 |
| ITF USA F13 Qual | 2017/04/10 15:00 | Lamble, John v 스트링펠로, 브랜던 | 6-1,6-0 |
| ITF USA F13 Qual | 2017/04/09 16:30 | Lamble, John v Leduc, Antoine | 6-0,6-2 |
| ITF USA F12 Qual | 2017/04/03 17:15 | Lamble, John v 이그나트, 드래고스 콘스탄틴 | 6-7,6-2,2-6 |
| ITF USA F12 Qual | 2017/04/01 20:00 | Lamble, John v Woog, Jarryd | 6-3,6-4 |
| ITF USA F11 | 2017/03/23 18:20 | 판세로, 세바스티안 v Lamble, John | 6-2,6-0 |
| ITF USA F11 | 2017/03/22 17:00 | Lamble, John v Smith, Connor | 6-2,6-0 |
| ITF USA F11 Qual | 2017/03/20 16:00 | Lamble, John v 페르볼라라키스, 미가일 | 6-3,6-2 |