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