Round: 25 Ground: Hardcourt outdoor
| ITF USA F9 | 2017/03/01 16:20 | Michael Linzer v Sam Riffice | 6-2,6-1 |
| ITF USA F9 | 2017/02/27 16:00 | Jose Olivares v Sam Riffice | 1-6,4-6 |
| ITF USA F9 | 2017/02/26 16:00 | Sam Riffice v Jabor Mohammed Ali Mutawa | 6-3,6-1 |
| ITF USA F9 | 2017/02/25 15:00 | Sam Riffice v Yang Liu | 6-3,6-4 |
| ITF USA F9 | 2017/02/24 14:00 | Sam Riffice v Carlos Ramirez Utermann | 6-1,7-6 |
| ITF USA F4 | 2017/01/18 17:15 | Kevin King v Sam Riffice | 4-6,6-4,7-6 |
| ITF USA F4 | 2017/01/16 15:00 | Genaro Alberto Olivieri v Sam Riffice | 6-3,5-7,4-6 |
| ITF USA F4 | 2017/01/14 19:30 | Eduardo Ribeiro v Sam Riffice | 6-7,6-3,5-7 |
| Challenger Sarasota Qual | 2017/04/15 14:00 | Hunter Callahan v Joao Pedro Sorgi | 6-7,4-6 |
| ITF Greece F5 | 2017/04/06 07:35 | Hunter Callahan v Benjamin Bonzi | 4-6,6-4,3-6 |
| ITF Greece F5 | 2017/04/05 06:30 | Fran Zvonimir Zgombic v Hunter Callahan | 3-6,1-6 |
| ITF Greece F4 | 2017/04/01 06:30 | Lenny Hampel v Hunter Callahan | 6-3,7-5 |
| ITF Greece F4 | 2017/03/31 10:25 | Stamatios Kapiris v Hunter Callahan | 2-6,1-6 |
| ITF Greece F4 | 2017/03/28 10:30 | Hunter Callahan v Temur Ismailov | 6-2,3-6,7-6 |
| ITF Greece F3 | 2017/03/21 10:00 | Hunter Callahan v Dzmitry Zhyrmont | 3-6,7-6,3-6 |
| ITF Greece F3 | 2017/03/20 10:00 | Hunter Callahan v Ioannis Stergiou | 6-7,6-4,6-1 |