| UTR Pro Tennis Series Blaricum | 2022/04/03 08:00 | Oscar Galimardanov v Guy Den Heijer | 0-6,2-6 |
| ITF M25 - Quinta Do Lago | 2022/03/25 10:00 | Makoto Ochi v Guy Den Heijer | 6-4,6-1 |
| ITF M25 Loule | 2022/03/17 10:00 | Alexander Donski v Guy Den Heijer | 6-3,1-6,10-7 |
| ITF M25 Loule | 2022/03/16 16:00 | Maximo Nagele v Guy Den Heijer | 0-6,0-6 |
| ITF M25 - Portimao | 2022/03/10 14:40 | Guy Den Heijer v Jonas Forejtek | 6-3,2-6,2-6 |
| ITF M25 - Portimao | 2022/03/09 17:05 | Guy Den Heijer v Vilius Gaubas | 6-4,6-2 |
| ITF M25 - Portimao | 2022/03/08 11:55 | Guy Den Heijer v Leonardo Rossi | 6-0,6-0 |
| ITF M25 - Portimao | 2022/03/07 14:50 | Guy Den Heijer v Ewan Moore | 7-6,6-3 |
| UTR Pro Tennis Series - Amsterdam | 2021/11/03 09:00 | Nathan De Veer v Jesse Timmermans | 4-5 |
| UTR Pro Tennis Series - Amsterdam | 2021/11/02 12:00 | Maxence Broville v Jesse Timmermans | 6-3,5-4 |
| ITF - M15 Monastir | 2021/02/21 10:00 | Leonardo Taddia v Jesse Timmermans | 4-6,2-6 |
| ITF - M15 Monastir | 2021/02/15 12:30 | Jesse Timmermans v Valentin Lapalu | 3-6,1-6 |
| ITF - M15 Monastir | 2021/02/15 09:00 | Jonas Greif v Jesse Timmermans | 3-6,1-6 |
| ITF - M15 Monastir | 2021/02/14 09:00 | Alberto Orso v Jesse Timmermans | 1-6,2-6 |
| ITF - M15 Antalya | 2021/01/12 07:00 | Yan Sabanin v Jesse Timmermans | 6-1,6-1 |
| ITF - M15 Antalya | 2021/01/11 07:00 | Benedikt Emesz v Jesse Timmermans | 4-6,4-6 |