Stadium: Court 5 Round: 25 Ground: Clay
| ITF Netherlands F1 | 2018/06/28 11:40 | Stephan Gerritsen v Ryan Nijboer | 6-4,7-6 |
| ITF Netherlands F1 | 2018/06/27 10:45 | Ryan Nijboer v Paul Barretto | 6-4,7-6 |
| ITF Belgium F1 | 2018/06/21 11:05 | Ryan Nijboer v Clement Geens | 2-6,1-6 |
| ITF Belgium F1 | 2018/06/19 08:00 | Ryan Nijboer v Gauthier Onclin | 6-2,7-5 |
| ITF Spain F10 Qual | 2018/04/23 09:00 | Ryan Nijboer v Vullnet Tashi | 4-6,2-6 |
| ITF Spain F10 Qual | 2018/04/22 14:00 | Ryan Nijboer v Joel Cannell | 2-6,6-4,6-4 |
| ITF Spain F10 Qual | 2018/04/21 11:00 | Ryan Nijboer v Felipe S Zyabtchenko | 6-4,6-4 |
| ITF Spain F9 Qual | 2018/04/15 10:30 | Ryan Nijboer v Nikolas Sanchez Izquierdo | 3-6,3-6 |
| Challenger Poznan Qual | 2018/06/03 08:00 | Kacper Zuk v Jeremy Jahn | 3-6,4-6 |
| ITF Poland F4 | 2018/05/21 11:00 | Kacper Zuk v Marcin Gawron | 4-6,3-6 |
| ITF Tunisia F5 | 2018/02/04 08:00 | Ilija Vucic v Kacper Zuk | 6-3,3-6,7-6 |
| ITF Tunisia F4 | 2018/01/30 11:00 | Kacper Zuk v Leny Mitjana | 4-6,6-7 |
| ITF Tunisia F4 | 2018/01/29 10:30 | Kacper Zuk v Philip Sikman | 6-3,6-1 |
| ITF Tunisia F4 | 2018/01/28 09:00 | Kacper Zuk v Lorenzo Bresciani | 6-2,3-6,6-4 |
| ITF Egypt F35 | 2017/11/22 13:30 | Cem Ilkel v Kacper Zuk | 6-2,0-6,6-4 |
| ITF Egypt F20 | 2017/11/20 13:30 | Kacper Zuk v Diego Matos | 6-1,7-5 |