| UTR Pro Tennis Series - Mulheim | 2021/09/21 11:00 | Thijmen Loof v Jose Antonio Rodriguez Rodriguez | 7-6,5-4 |
| UTR Pro Tennis Series - Mulheim | 2021/09/20 12:30 | Buvaysar Gadamauri v Thijmen Loof | 6-1,6-4 |
| ITF - M25 Plaisir | 2021/09/12 14:10 | Jordan Betesh v Thijmen Loof | 6-3,6-3 |
| ITF M25 - Sintra | 2021/09/05 08:30 | Thijmen Loof v Matias P D L Gomila | 6-7,6-3,8-10 |
| ITF - M25 Poznan | 2021/08/22 08:00 | Thijmen Loof v Flemming Peters | 5-7,3-6 |
| ITF M15 - Łódź | 2021/08/17 08:00 | Aristotelis Thanos v Thijmen Loof | 6-1,6-3 |
| ITF M15 - Łódź | 2021/08/16 09:30 | Thijmen Loof v Adam Bronka | 6-2,6-4 |
| ITF M15 - Łódź | 2021/08/15 11:00 | Michal Wozniak v Thijmen Loof | 1-6,5-7 |
| UTR Pro Tennis Series - Mulheim | 2021/09/20 12:30 | Guy Den Heijer v Lawrence Bataljin | 6-0,5-1 |
| UTR Pro Tennis Series - Říčany | 2021/09/19 07:00 | Lawrence Bataljin v Stefanos Sakellaridis | 0-6,6-6 |
| UTR Pro Tennis Series - Říčany | 2021/09/18 07:30 | Lawrence Bataljin v Michael Gloeckler | 6-4,5-2 |
| UTR Pro Tennis Series - Říčany | 2021/09/11 12:00 | Lawrence Bataljin v Jiri Jenicek | 1-6,1-5 |
| UTR Pro Tennis Series - Říčany | 2021/09/10 07:30 | Yanais Laurent v Lawrence Bataljin | 6-2,6-1 |
| UTR Pro Tennis Series - Říčany | 2021/09/09 10:00 | Jan Satral v Lawrence Bataljin | 6-3,6-1 |
| UTR Pro Tennis Series - Říčany | 2021/09/08 12:00 | Michalis Sakellaridis v Lawrence Bataljin | 2-6,3-5 |
| UTR Pro Tennis Series - Říčany | 2021/09/06 12:00 | Andrey Chepelev v Lawrence Bataljin | 6-1,6-3 |