Round: 25 Ground: Hardcourt outdoor
| ITF Germany F5 | 2017/06/27 11:55 | Nicola Kuhn v Riffice, Sam | 6-2,6-2 |
| ITF Netherlands F1 | 2017/06/20 17:00 | Igor Sijsling v Riffice, Sam | 7-5,7-5 |
| ITF Romania F1 | 2017/05/21 08:00 | Riffice, Sam v Frunza, Nicolae | 3-6,3-6 |
| ITF Romania F1 | 2017/05/20 08:00 | Mertens, Yannick v Riffice, Sam | 6-3,5-7,4-6 |
| ITF Romania F1 | 2017/05/19 11:20 | Riffice, Sam v Luncanu, Petru-Alexandru | 6-0,7-5 |
| ITF Romania F1 | 2017/05/18 08:20 | Riffice, Sam v Vliegen, Joran | 7-5,6-3 |
| ITF Romania F1 | 2017/05/16 07:00 | Bortolotti, Marco v Riffice, Sam | 3-6,3-6 |
| ITF Romania F4 | 2017/05/15 10:25 | Riffice, Sam v Bodnariuk, Alexandru Cristian | 6-2,6-1 |
| ITF USA F24 | 2017/07/18 21:40 | Harrison Adams v Callahan, Hunter | 6-3,5-7,6-3 |
| ITF USA F22 | 2017/06/29 14:00 | Callahan, Hunter v Gonzalo Lama | 6-4,6-7,4-6 |
| ITF USA F22 | 2017/06/28 14:00 | Strong Kirchheimer v Callahan, Hunter | 3-6,1-6 |
| ITF USA F20 | 2017/06/20 20:10 | Gonzalo Lama v Callahan, Hunter | 6-4,0-6,7-6 |
| ITF USA F18 | 2017/06/15 18:30 | Callahan, Hunter v Kaichi Uchida | 3-6,4-6 |
| ITF USA F18 | 2017/06/15 15:30 | Callahan, Hunter v Kaichi Uchida | 3-6,4-5 |
| ITF USA F18 | 2017/06/14 16:50 | Callahan, Hunter v Gozun, Alexandru | 6-1,7-6 |
| ITF Mexico F4 | 2017/05/18 20:40 | Callahan, Hunter v Panta Herreros, Jorge Brian | 4-6,7-6,6-7 |