Stadium: Clay 3 Round: 25 Ground: Hardcourt outdoor
| ITF Turkey F29 | 2018/09/27 07:30 | Jeroen Vanneste v Sebastian Prechtel | 6-3,4-6,0-6 |
| ITF Turkey F29 | 2018/09/25 07:30 | Jeroen Vanneste v Erik Crepaldi | 7-5,6-0 |
| Challenger Szczecin | 2018/09/09 10:35 | Guillermo Duran v Jeroen Vanneste | 6-1,6-2 |
| Challenger Szczecin | 2018/09/08 10:20 | Tomasz Bednarek v Jeroen Vanneste | 0-6,2-6 |
| Challenger Seville | 2018/09/02 09:40 | Jeroen Vanneste v Marko Djokovic | 4-6,1-6 |
| Challenger Seville | 2018/09/01 10:10 | Jeroen Vanneste v Diego-Jose Manrique-Velazquez | 6-2,6-2 |
| ITF Poland F8 | 2018/08/23 09:00 | Jeroen Vanneste v Artem Smirnov | 1-6,3-6 |
| ITF Poland F8 | 2018/08/21 11:05 | Jeroen Vanneste v Nikita Mashtakov | 7-6,4-6,6-3 |
| ITF Turkey F30 | 2018/10/01 07:30 | Niklas Guttau v Vincentiu A Niculescu | 6-3,6-0 |
| ITF Turkey F30 | 2018/09/30 07:30 | Oleg Besednikov v Niklas Guttau | 5-7,0-6 |
| ITF Turkey F30 | 2018/09/29 07:00 | Niklas Guttau v Neil Oberleitner | 6-3,6-4 |
| ITF Netherlands F5 | 2018/08/19 10:00 | Niklas Guttau v Esteban Bruna | 3-6,4-6 |
| ITF Netherlands F4 | 2018/08/11 09:00 | Alban Meuffels v Niklas Guttau | 6-3,6-4 |
| ITF Poland F6 | 2018/08/07 11:25 | Adrian Andrzejczuk v Niklas Guttau | 6-2,6-1 |
| ITF Poland F6 Qual | 2018/08/06 08:00 | Niklas Guttau v Krzysztof Mlazga | 6-2,6-4 |
| ITF Poland F6 Qual | 2018/08/05 09:30 | Niklas Guttau v Michele Lorenzo Iftimie | 5-7,6-2,6-3 |