Stadium: Court 4 Round: 62 Ground: Clay
| ITF Egypt F8 | 2018/03/04 12:00 | Gruber, Fabian v Liska, Tomas | 0-6,4-6 |
| ITF Egypt F8 | 2018/03/03 12:30 | Gruber, Fabian v Kumthonkittikul, W. | 7-5,6-3 |
| Egypt F7, Singles Qualifying | 2018/02/24 14:30 | Kazuki Nishiwaki v Gruber, Fabian | 6-3,6-4 |
| ITF Turkey F45 Qual | 2017/11/26 06:30 | Gruber, Fabian v Vittar, Francisco | 7-6,3-6,2-6 |
| ITF Turkey F45 Qual | 2017/11/25 06:30 | Gruber, Fabian v Evtimov, Gabriel | 6-4,6-2 |
| 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 Greece F5 | 2018/03/25 08:00 | Tikhomirov, Maksim v Michalis Sakellaridis | 6-2,6-1 |
| ITF Greece F3 | 2018/03/11 08:00 | Michalis Sakellaridis v Summaria, Corrado | 0-6,1-6 |
| ITF Greece F3 | 2018/03/10 07:30 | Michalis Sakellaridis v Petros Tsitsipas | 6-3,6-2 |
| ITF Greece F2 | 2018/03/04 08:00 | Gelhardt, Luca v Michalis Sakellaridis | 6-1,7-5 |
| ITF Greece F1 | 2018/02/25 11:00 | Fragistas, Evangelos v Michalis Sakellaridis | 6-4,6-3 |
| ITF Greece F1 | 2018/02/24 11:00 | Richter, Rudy v Michalis Sakellaridis | 3-6,4-6 |
| ITF Greece F10 | 2017/11/22 10:40 | Gomez-Herrera, Carlos v Michalis Sakellaridis | 6-1,6-2 |
| ITF Greece F10 | 2017/11/20 08:00 | Michalis Sakellaridis v Stephanos Schinas | 6-2,6-4 |