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