Stadium: Court 3 Round: 26 Ground: Clay
| ITF Austria F4 | 2018/07/23 10:00 | Alexander Erler v Philip Aplienz | 6-2,7-5 |
| ITF Austria F3 | 2018/07/16 11:05 | Alexander Erler v Antonin Stepanek | 2-6,3-6 |
| ITF Austria F1 | 2018/07/03 09:20 | Alexander Erler v Mike Urbanija | 1-6,6-4,3-6 |
| ITF Sri Lanka F1 | 2018/06/15 06:00 | Alexander Erler v Alexander Zhurbin | 5-7,1-6 |
| ITF Sri Lanka F1 | 2018/06/14 07:30 | Ignacio Carou v Alexander Erler | 6-4,4-6,1-6 |
| ITF Sri Lanka F1 | 2018/06/13 04:00 | Naoki Takeda v Alexander Erler | 5-7,6-7 |
| ITF Sri Lanka F1 | 2018/06/11 07:30 | Calum Puttergill v Alexander Erler | 3-6,1-6 |
| ITF Bosnia and Herzegovina F1 | 2018/05/18 08:00 | Manuel Guinard v Alexander Erler | 6-2,6-1 |
| ITF Austria F4 | 2018/07/23 09:00 | Alen Rogic-Hadzalic v Darko Bojanovic | 6-2,6-1 |
| ITF Austria F4 Qual | 2018/07/22 08:00 | Alen Rogic-Hadzalic v Nicolas Parizzia | 4-6,7-5,6-3 |
| ITF Austria F4 Qual | 2018/07/21 10:00 | Alen Rogic-Hadzalic v Adam Torocsik | 6-3,6-4 |
| ITF Austria F3 | 2018/07/14 12:30 | Antonin Stepanek v Alen Rogic-Hadzalic | 6-3,6-2 |
| ITF Austria F2 | 2018/07/10 09:00 | Alen Rogic-Hadzalic v Fermin Tenti | 5-7,5-7 |
| ITF Austria F2 | 2018/07/08 08:00 | Alen Rogic-Hadzalic v Patric Prinoth | 6-3,6-2 |
| ITF Austria F2 | 2018/07/07 12:30 | Alen Rogic-Hadzalic v Marco De Rosa | 3-6,6-0,6-1 |
| ITF Austria F2 | 2018/07/07 07:15 | Alen Rogic-Hadzalic v Qian Sun | 6-2,7-6 |