Stadium: Court 13 Round: 26
| ITF Portugal F16 | 2018/08/22 12:00 | Niels Desein v Jorge Blanco Guadalupe | 6-0,6-0 |
| ITF Belgium F8 | 2018/08/14 16:30 | Arklon H D Pino v Niels Desein | 7-5,7-6 |
| ITF Belgium F2 | 2018/06/27 09:00 | Agustin Velotti v Niels Desein | 7-5,6-1 |
| Challenger Poprad Tatry Qual | 2018/06/16 15:45 | Patrik Rikl v Niels Desein | 6-2,5-7,7-6 |
| Challenger Poprad Tatry Qual | 2018/06/16 11:05 | Peter Samosi v Niels Desein | 2-6,0-6 |
| ITF Spain F14 | 2018/06/07 17:30 | Niels Desein v David Vega Hernandez | 6-4,3-6,4-6 |
| ITF Spain F14 | 2018/06/06 10:00 | Joao Monteiro v Niels Desein | 6-2,4-6,0-6 |
| ITF Spain F14 | 2018/06/05 09:30 | Niels Desein v Aaron Cortes Alcaraz | 6-4,7-6 |
| 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 |
| Challenger Winnipeg Qual | 2018/07/08 18:05 | Sem Verbeek v Jumpei Yamasaki | 7-6,7-6 |
| ITF Canada F5 | 2018/07/05 20:10 | Alexis Galarneau v Sem Verbeek | 7-6,6-3 |
| ITF Canada F5 | 2018/07/03 20:05 | Ricardo Rodriguez-Pace v Sem Verbeek | 6-4,4-6,6-7 |
| ITF Canada F4 | 2018/06/28 20:40 | Colin Markes v Sem Verbeek | 7-6,7-6 |
| ITF Canada F4 | 2018/06/26 17:00 | Herbert Jody Maginley v Sem Verbeek | 6-7,1-6 |