Stadium: Court 1 Round: 25 Ground: Clay
| 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 Bosnia and Herzegovina F1 | 2018/05/15 09:40 | Filip Maric v Alexander Erler | 5-7,2-6 |
| ITF Austria F3 | 2018/07/15 08:00 | Ignacio Monzon v Antonin Stepanek | 6-1,4-6,3-6 |
| ITF Austria F3 | 2018/07/14 12:30 | Antonin Stepanek v Alen Rogic-Hadzalic | 6-3,6-2 |
| ITF Austria F3 | 2018/07/14 07:15 | Stefan Skadarka v Antonin Stepanek | 2-6,0-6 |
| ITF Czech Republic F6 Qual | 2018/07/07 10:30 | Dominik Recek v Antonin Stepanek | 7-5,6-3 |
| ITF Czech Republic F5 | 2018/07/03 09:30 | Antonin Stepanek v Jan Mertl | 6-3,1-6,2-6 |
| ITF Czech Republic F5 Qual | 2018/07/02 10:00 | Piotr Grynkowski v Antonin Stepanek | 2-6,0-6 |
| ITF Czech Republic F5 Qual | 2018/07/01 08:00 | Vojtech Vlkovsky v Antonin Stepanek | 3-6,6-7 |
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Rio Noguchi v Antonin Stepanek | 7-6,7-5 |