| ITF Germany F14 | 2017/10/08 07:00 | Gruber, Fabian v Robert Strombachs | 3-6,4-6 |
| ITF Hungary F7 Qual | 2017/08/26 07:30 | Gruber, Fabian v Szendroi, Laszlo | 6-4,3-6,4-6 |
| ITF Austria F6 | 2017/08/05 07:00 | Bellutti, Manuel v Gruber, Fabian | 7-5,6-0 |
| ITF Latvia F1 | 2017/08/01 09:35 | Libietis, Mikelis v Gruber, Fabian | 6-0,6-0 |
| ITF Austria F4 Qual | 2017/07/22 10:00 | Gruber, Fabian v Aichhorn, Jakob | 3-6,5-7 |
| ITF Austria F4 Qual | 2017/07/22 07:30 | Schramm, Marvin v Gruber, Fabian | 6-4,5-7,1-6 |
| ITF Austria F3 | 2017/07/15 12:30 | Gruber, Fabian v Leuch, Vital Flurin | 5-7,4-6 |
| ITF Austria F3 | 2017/07/15 07:00 | Gruber, Fabian v Kurzmann, Sebastian | 6-2,6-1 |
| ITF Turkey F44 | 2017/11/19 07:15 | Evtimov, Gabriel v Franco Ribero | 5-7,1-6 |
| ITF Turkey F44 | 2017/11/18 06:45 | Randjelovic, Ivan v Evtimov, Gabriel | 3-6,0-6 |
| ITF Turkey F31 Qual | 2017/08/19 10:00 | Filipovic, Igor v Evtimov, Gabriel | 6-7,6-3,6-0 |
| ITF Turkey F27 | 2017/07/24 11:00 | Romios, Matthew Christopher v Evtimov, Gabriel | 6-3,6-1 |
| ITF Belgium F4 Qual | 2017/07/09 10:20 | Navarro, Simon v Evtimov, Gabriel | 6-2,6-1 |
| ITF Belgium F4 Qual | 2017/07/08 08:35 | Evtimov, Gabriel v Vandendooren, Maxime | 6-1,6-3 |
| ITF Belgium F3 Qual | 2017/07/02 08:00 | Paul Valsecchi v Evtimov, Gabriel | 6-1,6-4 |
| ITF Belgium F3 Qual | 2017/07/01 10:00 | van Nieuwenhove, Jonathan v Evtimov, Gabriel | 0-6,4-6 |