Stadium: Court 2 Round: 26 Ground: Clay
| ITF Sweden F2 | 2018/05/15 11:40 | Lukas Ollert v Nick Chappell | 6-2,6-7,7-5 |
| ITF Tunisia F17 | 2018/05/02 10:40 | Mustafa Ibraimi v Lukas Ollert | 6-3,6-4 |
| ITF Bahrain F1 | 2018/03/21 08:00 | Adrian Obert v Lukas Ollert | 2-6,3-6 |
| ITF Bahrain F1 | 2018/03/20 10:45 | Pak Long Yeung v Lukas Ollert | 3-6,4-6 |
| ITF Russia F3 | 2018/03/14 10:55 | Roman Safiullin v Lukas Ollert | 6-2,6-1 |
| ITF Russia F3 | 2018/03/13 10:20 | Gary Kushnirovich v Lukas Ollert | 0-6,6-7 |
| ITF Kazakhstan F2 | 2018/02/21 07:35 | Nikola Milojevic v Lukas Ollert | 6-7,6-3,6-4 |
| ITF Kazakhstan F2 | 2018/02/20 07:05 | Artem Dubrivnyy v Lukas Ollert | 6-7,5-7 |
| ITF Sweden F2 | 2018/05/14 11:50 | Jonas Trinker v Linus Frost | 6-2,7-6 |
| ITF Turkey F17 | 2018/05/03 07:30 | Juan Pablo Varillas v Jonas Trinker | 6-2,6-1 |
| ITF Turkey F17 | 2018/05/02 07:30 | Jonas Trinker v Gabriel Schmidt | 6-4,3-6,7-6 |
| ITF Turkey F16 | 2018/04/21 09:30 | Gorazd Srbljak v Jonas Trinker | 6-4,6-3 |
| ITF Spain F2 | 2018/01/22 09:00 | Marc Fornell-Mestres v Jonas Trinker | 7-6,6-0 |
| ITF Spain F2 | 2018/01/21 11:30 | Oscar M Cornella v Jonas Trinker | 1-6,4-6 |
| ITF Spain F2 | 2018/01/20 13:30 | Ivan Marrero Curbelo v Jonas Trinker | 7-6,4-6,3-6 |
| ITF Spain F1 | 2018/01/15 09:00 | Jonas Trinker v Yahor Yatsyk | 6-4,3-6,3-6 |