Stadion: M (CC) Round: 26 Ground: Clay
| UTR Pro Tennis Series - Amsterdam | 2021/12/12 08:30 | Guy Den Heijer v Max Houkes | 6-3,1-6,6-6 |
| ITF - M15 - Heraklion | 2021/11/10 07:00 | Guy Den Heijer v Max Houkes | 7-6,6-3 |
| ITF - M25 - Oldenzaal | 2022/08/24 11:30 | Max Houkes v Matyas Fuele | 6-2,6-4 |
| ITF - M15 - Eindhoven | 2022/08/20 09:00 | Arthur Reymond v Max Houkes | 6-3,6-1 |
| ITF - M15 - Eindhoven | 2022/08/19 10:05 | Max Houkes v Nathan Seateun | 6-1,7-5 |
| ITF - M15 - Eindhoven | 2022/08/17 07:55 | Max Houkes v Fons Van Sambeek | 7-6,6-2 |
| ITF - M15 - Kottingbrunn | 2022/08/06 08:00 | Max Houkes v Matteo Donati | 4-6,6-1,6-7 |
| ITF - M15 - Kottingbrunn | 2022/08/05 10:20 | Thomas Deschamps v Max Houkes | 2-6,1-6 |
| ITF - M15 - Kottingbrunn | 2022/08/04 08:00 | Matthew Dellavedova v Max Houkes | 4-6,2-6 |
| ITF - M15 - Kottingbrunn | 2022/08/03 07:30 | Tomas Jirousek v Max Houkes | 4-6,4-6 |
| ITF - M25 - Oldenzaal | 2022/08/24 11:50 | Thijmen Loof v Guy Den Heijer | 3-6,5-7 |
| 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 |