Stadium: Court 2 Round: 27 Ground: Clay
| ITF Netherlands F5 | 2018/08/22 10:00 | Nik Razborsek v Kevin Kaczynski | 6-4,6-2 |
| ITF Netherlands F5 | 2018/08/21 09:55 | Nik Razborsek v Lucas Hellfritsch | 6-4,7-6 |
| Challenger Portoroz | 2018/08/07 14:00 | Nik Razborsek v Dominik Koepfer | 7-6,5-7,6-7 |
| Challenger Liberec | 2018/07/31 14:00 | Pedro Martinez v Nik Razborsek | 6-3,4-6,6-3 |
| Challenger Liberec Qual | 2018/07/30 09:00 | Marvin Moeller v Nik Razborsek | 4-6,6-7 |
| 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 |
| ITF Netherlands F5 | 2018/08/22 08:00 | Marc Dijkhuizen v Tom Kocevar-Desman | 3-6,4-6 |
| ITF Netherlands F5 | 2018/08/20 08:00 | Tom Kocevar-Desman v Laurent Rochette | 2-6,6-3,6-2 |
| Challenger Portoroz | 2018/08/07 18:15 | Andrea Arnaboldi v Tom Kocevar-Desman | 6-0,7-6 |
| Challenger Tampere Qual | 2018/07/22 08:50 | Dimitar Kuzmanov v Tom Kocevar-Desman | 6-4,2-6,6-3 |
| Challenger Tampere | 2018/07/21 11:40 | Tom Kocevar-Desman v Karl Friberg | 6-4,7-6 |
| Challenger Scheveningen Qual | 2018/07/14 11:45 | Tom Kocevar-Desman v Kimmer Coppejans | 4-6,4-6 |
| Challenger Bastad Qual | 2018/07/07 11:15 | Fred Simonsson v Tom Kocevar-Desman | 6-4,1-6,6-3 |
| ITF Germany F4 | 2018/06/22 10:05 | Sekou Bangoura v Tom Kocevar-Desman | 6-1,6-1 |