| UTR Pro Tennis Series Amsterdam | 2021/12/11 07:00 | Verbeek, Sem v Rob Van Den Berg | 6-2,6-1 |
| UTR Pro Tennis Series Amsterdam | 2021/12/09 08:30 | Verbeek, Sem v Jurriaan Bol | 3-6,6-3,1-5 |
| UTR Pro Tennis Series Amsterdam | 2021/12/08 07:00 | Verbeek, Sem v Tibo Colson | 3-6,4-6 |
| UTR Pro Tennis Series Amsterdam | 2021/12/07 07:00 | Verbeek, Sem v Eisinga, Zachary | 6-0,6-1 |
| UTR Pro Tennis Series Amsterdam | 2021/12/06 11:30 | Verbeek, Sem v Sandkaulen, Tim | 5-7,6-7 |
| UTR Pro Tennis Series Amsterdam | 2021/11/07 10:30 | Guy Den Heijer v Verbeek, Sem | 6-3,6-3 |
| UTR Pro Tennis Series Amsterdam | 2021/11/06 13:30 | Sollie, Thorsten v Verbeek, Sem | 6-4,4-6,5-7 |
| UTR Pro Tennis Series Amsterdam | 2021/11/05 10:30 | Verbeek, Sem v Minakov, Mikhail | 6-2,6-3 |
| ITF M15 Oldenzaal | 2021/08/15 08:30 | Verwater, Yannick v van Baal, Aloys Johannes Willem | 3-6,1-6 |
| Den Haag, Singles Qualifying M-ITF-NED-02A | 2019/07/01 10:00 | Verwater, Yannick v Hermans, Mats | 3-6,2-6 |
| ITF Turkey F36 | 2018/11/10 08:30 | Bilgin, Burak v Verwater, Yannick | 6-3,7-5 |
| ITF Netherlands F6 | 2018/08/26 08:00 | Meuffels, Alban v Verwater, Yannick | 6-2,6-2 |
| ITF Netherlands F5 | 2018/08/18 07:00 | Verwater, Yannick v Sandro Kopp | 3-6,0-6 |
| ITF Netherlands F3 | 2018/07/08 07:30 | Naser, Javier v Verwater, Yannick | 6-2,6-1 |
| ITF Netherlands F2 Qual | 2018/06/30 07:00 | Gabriel Decamps v Verwater, Yannick | 6-1,6-3 |
| ITF Egypt F3 | 2018/01/28 10:00 | Johan Nikles v Verwater, Yannick | 6-2,6-1 |