Stadium: Court 1 Round: 27 Ground: Clay
| ITF Austria F2 | 2018/07/11 09:00 | Peter Heller v Filip Duda | 3-6,7-6,6-1 |
| ITF Austria F2 | 2018/07/09 10:30 | Peter Heller v Philip Aplienz | 6-2,6-2 |
| ITF Italy F15 | 2018/06/24 15:15 | Peter Heller v Pietro Rondoni | 7-6,4-6,2-6 |
| ITF Italy F15 | 2018/06/23 12:00 | Andrea Guerrieri v Peter Heller | 1-6,3-6 |
| ITF Italy F15 | 2018/06/22 10:00 | Peter Heller v Luca Nardi | 3-6,6-3,6-3 |
| ITF Italy F15 | 2018/06/21 10:50 | Peter Heller v Alexander Weis | 6-3,6-7,6-3 |
| ITF Italy F15 | 2018/06/19 11:30 | Peter Heller v Luka Pavlovic | 6-4,6-0 |
| ITF Italy F14 | 2018/06/14 12:00 | Marvin Netuschil v Peter Heller | 3-6,6-3,6-4 |
| ITF Austria F2 | 2018/07/11 14:40 | Georg Winkler v Lukas Ollert | 1-6,2-6 |
| ITF Austria F1 | 2018/07/04 11:10 | Matthias Haim v Lukas Ollert | 6-4,6-3 |
| ITF Austria F1 | 2018/07/02 11:10 | Lukas Ollert v Martins Rocens | 6-1,6-1 |
| ITF Tunisia F25 | 2018/06/26 10:15 | Lukas Ollert v Gabi Adrian Boitan | 1-6,1-6 |
| ITF Italy F15 | 2018/06/20 18:00 | Lukas Ollert v Nicolo Turchetti | 6-3,1-6,5-7 |
| ITF Sweden F2 | 2018/05/17 12:35 | Lukas Ollert v Alexander Ritschard | 1-6,1-6 |
| ITF Sweden F2 | 2018/05/16 10:15 | Lukas Ollert v Jonas Trinker | 6-1,6-4 |
| ITF Sweden F2 | 2018/05/15 11:40 | Lukas Ollert v Nick Chappell | 6-2,6-7,7-5 |