Stadium: Court Kasro Round: 54
| Challenger Liberec Qual | 2018/07/29 08:30 | Marc Sieber v Marvin Moeller | 2-6,5-7 |
| Challenger Liberec Qual | 2018/07/28 08:00 | Mate Delic v Marvin Moeller | 3-6,1-6 |
| ATP Hamburg Qual | 2018/07/21 10:00 | Corentin Moutet v Marvin Moeller | 6-2,6-3 |
| Challenger Braunschweig Qual | 2018/07/07 14:30 | Dragos Dima v Marvin Moeller | 7-6,6-1 |
| Challenger Braunschweig Qual | 2018/07/07 09:10 | Gibril Diarra v Marvin Moeller | 5-7,5-7 |
| ITF Netherlands F1 | 2018/06/30 11:00 | Marvin Moeller v Botic Van De Zandschulp | 4-6,6-2,1-6 |
| ITF Netherlands F1 | 2018/06/29 12:00 | Marvin Moeller v Franco Emanuel Egea | 6-1,6-1 |
| ITF Netherlands F1 | 2018/06/28 13:55 | Marvin Moeller v Mats Hermans | 6-2,6-2 |
| Challenger Liberec Qual | 2018/07/29 08:30 | Martin Bugaj v Nik Razborsek | 2-6,0-6 |
| Challenger Tampere Qual | 2018/07/22 11:45 | Nik Razborsek v Markus Eriksson | 3-6,4-6 |
| Challenger Tampere | 2018/07/21 13:55 | Kristjan Tamm v Nik Razborsek | 6-2,3-6,6-7 |
| ATP Umag Qual | 2018/07/15 10:00 | Alexey Vatutin v Nik Razborsek | 6-2,6-3 |
| ITF Italy F14 | 2018/06/16 14:00 | Nik Razborsek v Riccardo Bellotti | 4-6,3-6 |
| ITF Italy F14 | 2018/06/15 14:30 | Nik Razborsek v Jacopo Berrettini | 6-4,6-4 |
| ITF Italy F14 | 2018/06/14 16:00 | Giovanni Fonio v Nik Razborsek | 6-7,2-6 |
| ITF Italy F14 | 2018/06/13 17:45 | Nik Razborsek v Martins Podzus | 6-2,6-1 |