| UTR Pro Tennis Series - Amsterdam | 2022/02/28 12:00 | Marcel Zielinski v Oleksandr Bielinskyi | 6-2,6-0 |
| UTR Pro Tennis Series - Amsterdam | 2022/02/28 09:00 | Zachary Eisinga v Yanais Laurent | 4-6,6-4,7-6 |
| UTR Pro Tennis Series - Amsterdam | 2021/12/12 09:30 | Rik Muller v Zachary Eisinga | 3-6,3-6 |
| UTR Pro Tennis Series - Amsterdam | 2021/12/11 07:00 | Max Van Nunen v Zachary Eisinga | 6-4,1-6,4-6 |
| UTR Pro Tennis Series - Amsterdam | 2021/12/10 07:00 | Tim Sandkaulen v Zachary Eisinga | 6-1,6-7,7-5 |
| UTR Pro Tennis Series - Amsterdam | 2021/12/09 08:30 | Tibo Colson v Zachary Eisinga | 6-2,6-3 |
| UTR Pro Tennis Series - Amsterdam | 2021/12/07 07:00 | Sem Verbeek v Zachary Eisinga | 6-0,6-1 |
| UTR Pro Tennis Series - Amsterdam | 2021/12/06 11:30 | Zachary Eisinga v Jurriaan Bol | 2-6,6-4,6-1 |
| ITF - M15 Sharm-el-Sheikh | 2021/11/08 11:30 | Zachary Eisinga v Louis Allen | 5-7,7-5,8-10 |