Stadium: Court 1 Round: 25 Ground: Clay
| UTR Pro Tennis Series Mulheim | 2021/09/24 11:00 | Thijmen Loof v Guy Den Heijer | 3-6,2-6 |
| ITF M25 Oldenzaal | 2022/08/22 16:30 | Thijmen Loof v Tom Clavel | 6-3,6-4 |
| ITF M25 Oldenzaal | 2022/08/21 12:00 | Thijmen Loof v Liam Schiemann | 6-2,6-1 |
| ITF M15 Eindhoven | 2022/08/14 10:30 | Thijmen Loof v John Sperle | 0-6,4-6 |
| ITF M25 Canberra | 2022/03/27 23:00 | Tomislav E Papac v Thijmen Loof | 6-4,3-6,10-7 |
| ITF M25 Canberra | 2022/03/26 22:00 | Thijmen Loof v David Barclay | 6-1,6-4 |
| ITF M25 Canberra | 2022/03/22 01:45 | Thijmen Loof v Shuannon Tricerri | 6-7,7-6,6-10 |
| ITF M25 Canberra | 2022/03/21 01:30 | Nicholas Jovanovski v Thijmen Loof | 3-6,4-6 |
| ITF M25 Canberra | 2022/03/20 01:30 | Thijmen Loof v Jiayang Dong | 3-6,6-3,10-8 |
| ITF M15 Alkmaar | 2022/06/21 18:00 | Guy Den Heijer v Jose Fco. Vidal Azorin | 2-6,2-6 |
| UTR Pro Tennis Series Blaricum | 2022/05/08 07:30 | Guy Den Heijer v Jarno Jans | 6-4,6-3 |
| UTR Pro Tennis Series Blaricum | 2022/05/07 07:30 | Guy Den Heijer v Ivan Marrero Curbelo | 7-5,5-3 |
| UTR Pro Tennis Series Blaricum | 2022/05/06 11:00 | Alen Moritz Hodzic v Guy Den Heijer | 3-6,5-6 |
| UTR Pro Tennis Series Blaricum | 2022/05/05 09:00 | Zakhar Trapeznikov v Guy Den Heijer | 3-6,6-7 |
| UTR Pro Tennis Series Blaricum | 2022/05/04 06:00 | Aleksandr Kalinin v Guy Den Heijer | 3-6,3-6 |
| UTR Pro Tennis Series Blaricum | 2022/05/02 09:45 | Yannick Verwater v Guy Den Heijer | 1-6,3-6 |
| UTR Pro Tennis Series Blaricum | 2022/04/09 12:31 | Guy Den Heijer v Jesse De Jager | 7-5,6-3 |