| UTR Pro Tennis Series Amsterdam | 2021/11/01 10:30 | Clavel, Tom v Verbeek, Sem | 6-2,4-6,4-6 |
| Challenger Porto | 2021/06/29 16:40 | Verbeek, Sem v Gastao Elias | 7-6,4-6,1-6 |
| Challenger Porto | 2021/06/28 10:00 | Verbeek, Sem v Cabral, Francisco | 7-6,6-3 |
| Challenger Porto | 2021/06/27 13:10 | Mukund Sasikumar v Verbeek, Sem | 6-3,3-6,5-7 |
| Prostejov, Czech Republic | 2021/06/13 09:00 | David Poljak v Verbeek, Sem | 6-3,6-3 |
| ITF M15 Alkmaar | 2020/08/27 09:00 | Verbeek, Sem v Geens, Clement | 2-6,0-6 |
| ITF M15 Alkmaar | 2020/08/24 13:00 | Valentin Royer v Verbeek, Sem | 5-7,6-4,7-10 |
| ITF M15 Alkmaar | 2020/08/24 08:00 | Lodewijk Weststrate v Verbeek, Sem | 4-6,2-6 |
| ITF M15 Oldenzaal | 2021/08/15 14:00 | Giles Hussey v Admiraal, Amadatus | 6-3,6-2 |
| ITF M25 Alkmaar | 2021/06/20 11:00 | Knoop, Herman Meeuwes Mattheo v Admiraal, Amadatus | 4-6,6-3,10-8 |
| Bad Salzdetfurth, Simples M-ITF-GER-14A | 2019/10/08 11:00 | Admiraal, Amadatus v Evan Furness | 3-6,3-6 |
| ITF M15 Haren | 2019/08/29 13:50 | Aleksandre Metreveli v Admiraal, Amadatus | 6-2,4-6,6-3 |
| ITF M15 Haren | 2019/08/28 17:30 | Admiraal, Amadatus v Sidane Pontjodikromo | 7-6,4-6,6-4 |
| ITF M15 Oldenzaal | 2019/08/18 14:05 | Admiraal, Amadatus v Jesper De Jong | 0-6,4-6 |
| ITF M15 Oldenzaal | 2019/08/17 10:45 | Stevens, Bart v Admiraal, Amadatus | 4-6,1-6 |
| ITF M15 Oldenzaal | 2019/08/16 10:40 | Admiraal, Amadatus v Michiel de Krom | 2-6,7-6,7-5 |