Round: 25 Ground: Hardcourt indoor
| ITF USA F37 | 2017/11/15 17:55 | Sam Riffice v Alberto Barroso Campos | 4-6,3-6 |
| ITF USA F36 | 2017/11/08 14:00 | Sam Riffice v Felipe Mantilla | 3-6,4-6 |
| ITF USA F32 | 2017/09/28 19:25 | Sam Riffice v Benjamin Lock | 6-7,6-3,6-7 |
| ITF USA F31 | 2017/09/21 22:10 | Henry Craig v Sam Riffice | 6-3,6-2 |
| ITF USA F31 | 2017/09/20 19:45 | Sam Riffice v Evan Song | 6-3,6-4 |
| ITF USA F25 | 2017/07/26 14:00 | Dennis Nevolo v Sam Riffice | 6-3,6-3 |
| ITF USA F25 | 2017/07/24 17:15 | Sam Riffice v Hunter Callahan | 7-5,6-3 |
| ITF Germany F5 | 2017/06/27 11:55 | Nicola Kuhn v Sam Riffice | 6-2,6-2 |
| ITF USA F40 Qual | 2017/12/04 17:25 | Felix Corwin v Julian Bradley | 6-4,6-4 |
| ITF Serbia F1 | 2017/08/08 08:00 | Milan Drinic v Felix Corwin | 1-6,6-4,7-6 |
| ITF Serbia F1 Qual | 2017/08/06 09:30 | Aleksa Daskalovic v Felix Corwin | 3-6,6-7 |
| ITF Serbia F1 Qual | 2017/08/05 07:00 | Aleksandar Jocic v Felix Corwin | 1-6,0-6 |
| ITF Austria F5 | 2017/08/02 12:10 | Mike Urbanija v Felix Corwin | 4-6,7-5,6-0 |
| ITF Austria F5 | 2017/07/31 08:00 | Felix Corwin v Gabriel Schmidt | 6-3,6-4 |
| ITF Austria F5 | 2017/07/29 07:00 | Felix Corwin v Janos Zibrat | 6-0,6-3 |
| Challenger Winnetka Qual | 2017/07/10 15:00 | Felix Corwin v Logan Smith | 6-1,6-7,4-6 |