Stadium: Court 1 Round: 25 Ground: Clay
| 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 Bosnia and Herzegovina F1 | 2018/05/17 08:00 | Zgombic, Fran Zvonimir v Erler, Alexander | 2-6,3-6 |
| ITF Austria F3 | 2018/07/14 12:30 | Aplienz, Philip v Vejvara, Lukas | 4-6,2-6 |
| ITF Austria F3 | 2018/07/14 07:15 | Aplienz, Philip v Pirolt, Pietro | 6-4,6-1 |
| ITF Austria F2 | 2018/07/09 10:30 | Peter Heller v Aplienz, Philip | 6-2,6-2 |
| ITF Austria F2 | 2018/07/08 09:35 | Cancel, Thibault v Aplienz, Philip | 6-1,6-4 |
| ITF Austria F2 | 2018/07/07 14:30 | Carlo Alberto Fossati v Aplienz, Philip | 2-6,3-6 |
| ITF Austria F1 | 2018/07/01 08:45 | Lazdins, Arturs v Aplienz, Philip | 7-6,6-1 |
| ITF Austria F1 | 2018/06/30 11:00 | Agustin Maria Gascia v Aplienz, Philip | 4-6,0-6 |
| ITF Croatia F3 | 2018/03/19 12:30 | Karlo Cubelic v Aplienz, Philip | 6-4,6-2 |