Stadium: Court N'godrela Round: 166 Ground: Hardcourt outdoor
| Challenger Stockton | 2018/09/30 19:35 | Harri Heliovaara v Sem Verbeek | 6-1,6-4 |
| Challenger Stockton | 2018/09/29 19:20 | Sebastian Korda v Sem Verbeek | 6-3,5-7,3-6 |
| ITF Portugal F16 | 2018/08/25 09:00 | Fred Gil v Sem Verbeek | 6-1,6-2 |
| ITF Portugal F16 | 2018/08/24 09:00 | Sem Verbeek v Jonathan Binding | 7-6,6-4 |
| ITF Portugal F16 | 2018/08/23 09:00 | Niels Desein v Sem Verbeek | 2-6,6-7 |
| ITF Portugal F16 | 2018/08/22 11:10 | Simao Alves v Sem Verbeek | 2-6,0-6 |
| Challenger Cordenons | 2018/08/11 10:15 | Walter Trusendi v Sem Verbeek | 6-1,6-2 |
| Challenger Winnipeg Qual | 2018/07/08 23:00 | Sem Verbeek v Marc-Andrea Huesler | 6-7,4-6 |