Stadium: Court 3 Round: 62
| ITF M15 Platja D'Aro | 2021/10/04 11:00 | Max Houkes v Ervin H Eminefendic | 6-2,6-2 |
| ITF M15 Platja D'Aro | 2021/10/03 09:30 | Max Houkes v Luca Castagnola | 6-4,6-1 |
| ITF M15 Ulcinj | 2021/09/24 12:15 | Rrezart Cungu v Max Houkes | 6-2,6-4 |
| ITF M15 Ulcinj | 2021/09/23 09:30 | Max Houkes v Gianmarco Ferrari | 6-1,6-3 |
| ITF M15 Ulcinj | 2021/09/21 07:55 | Danilo Raicevic v Max Houkes | 4-6,4-6 |
| ITF M15 Ulcinj | 2021/09/13 12:00 | Max Houkes v Edoardo Zanada | 6-4,4-6,5-10 |
| ITF M15 Ulcinj | 2021/09/13 08:00 | Max Houkes v Matthew Dellavedova | 6-2,6-2 |
| ITF M15 Skopje | 2021/06/09 12:20 | Alexis Gautier v Max Houkes | 7-6,6-4 |
| ITF M15 Platja D'Aro | 2021/10/04 11:00 | Tomas R Sierra v Enzo Wallart | 6-7,6-2,10-1 |