Stadium: S.Tsitsipas Court Round: 62 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2022/05/23 07:00 | Kai Lemstra v Graham Maassen | 6-3,6-1 |
| 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 Heraklion | 2022/05/23 08:30 | Dorian Kos v Ioannis Kountourakis | 3-6,2-6 |
| ITF M15 Heraklion | 2022/05/18 07:00 | Mark Lajal v Ioannis Kountourakis | 7-6,6-4 |
| ITF M15 Heraklion | 2022/05/10 08:30 | Aaron Addison v Ioannis Kountourakis | 6-3,6-1 |
| ITF M15 Sharm El Sheikh | 2022/02/13 08:30 | Aaron Cohen v Ioannis Kountourakis | 1-6,7-5,10-6 |
| ITF M25 Sharm El Sheikh | 2022/02/07 09:20 | Lior Goldenberg v Ioannis Kountourakis | 7-6,7-6 |
| ITF M25 Sharm El Sheikh | 2022/01/31 08:00 | Ioannis Kountourakis v Juan Manuel Benitez Chavarriaga | 3-6,6-7 |
| ITF M25 Sharm El Sheikh | 2022/01/30 08:00 | Yan Brek v Ioannis Kountourakis | 1-6,2-6 |
| ITF M25 Kairo | 2022/01/25 08:00 | Ray Ho v Ioannis Kountourakis | 7-5,6-0 |