Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M15 - Warmbad-Villach | 2022/05/19 09:35 | Sebastian Prechtel v Kai Lemstra | 6-2,7-6 |
| ITF M15 - Warmbad-Villach | 2022/05/17 09:30 | Kai Lemstra v Jan Kobierski | 6-0,6-1 |
| ITF M15 - Cairo | 2022/04/18 09:00 | Kai Lemstra v Sebastian Sorger | 5-7,6-3,8-10 |
| ITF M15 - Cairo | 2022/04/17 07:30 | Kai Lemstra v Kevin Portmann | 6-0,6-0 |
| ITF M15 - Cairo | 2022/04/12 07:55 | Kai Lemstra v Pietro R Scomparin | 6-2,2-6,6-10 |
| ITF M15 - Cairo | 2022/04/11 09:00 | Kai Lemstra v Marco Mania | 6-2,7-5 |
| Challenger Turin | 2022/02/27 15:05 | Kai Lemstra v Kenny de Schepper | 3-6,1-6 |
| ITF M15 - Oberhaching | 2022/02/13 08:00 | Dusan Obradovic v Kai Lemstra | 1-6,6-4,10-8 |
| ITF M15 - Heraklion | 2022/05/22 08:00 | Sergei Lysov v Graham Maassen | 6-1,0-6,3-10 |
| ITF M15 - Heraklion | 2022/05/17 07:00 | Timothy Gray v Graham Maassen | 6-3,6-2 |
| ITF M15 - Heraklion | 2022/05/16 07:00 | Graham Maassen v Mason Naumovski | 6-2,6-7,10-6 |
| ITF M25 - Monastir | 2022/04/11 12:30 | Graham Maassen v Kalman Boyd | 0-6,1-6 |
| ITF M25 - Monastir | 2022/04/11 08:00 | Kristjan Tamm v Graham Maassen | 7-5,5-7,6-10 |
| ITF M25 - Monastir | 2022/04/04 09:00 | Raphael Calzi v Graham Maassen | 6-3,6-2 |
| ITF M25 - Monastir | 2022/04/03 11:00 | Leon Formella v Graham Maassen | 2-6,5-7 |
| ITF M25 - Manacor | 2022/01/11 10:30 | Augusto Virgili v Graham Maassen | 7-6,6-2 |