Stadium: Court 3 Round: 54 Ground: Clay
| ITF M15 Bratislava | 2020/11/23 14:00 | Kai Lemstra v Patrik Jancovic | 6-2,6-2 |
| ITF M15 Sarreguemines | 2020/10/26 15:35 | Kai Lemstra v Karlo Cubelic | 4-6,7-5,8-10 |
| ITF M15 Forbach | 2020/09/30 08:30 | Kai Lemstra v Alexander Erler | 3-6,2-6 |
| ITF M15 Forbach | 2020/09/28 15:45 | Kai Lemstra v Niklas Schell | 6-4,7-6 |
| ITF M15 Anif | 2020/08/26 14:40 | Karlis Ozolins v Kai Lemstra | 7-5,6-3 |
| ITF M15 Anif | 2020/08/24 12:50 | Kai Lemstra v Benedikt Emesz | 6-1,6-2 |
| ITF M15 Anif | 2020/08/23 12:00 | Kirill Kivattsev v Kai Lemstra | 6-7,3-6 |
| ITF M15 Sharm El Sheikh | 2020/03/11 11:40 | Francesco Vilardo v Kai Lemstra | 6-4,6-7,7-5 |
| ITF M15 Bratislava | 2020/11/23 12:00 | Leyton Rivera v Kristof Minarik | 0-6,2-6 |
| ITF M15 Sharm El Sheikh | 2020/11/08 09:30 | Raphael Collignon v Kristof Minarik | 6-2,6-1 |
| ITF M15 Sharm El Sheikh | 2020/11/01 12:00 | Kristof Minarik v Taha Baadi | 6-7,6-4,6-10 |
| ITF M15 Anif | 2020/08/23 12:00 | Matias Franco Descotte v Kristof Minarik | 3-6,6-4,10-8 |
| ITF M15 Anif | 2020/08/23 07:00 | Kristof Minarik v Niklas Rohrer | 6-2,6-2 |
| Slovakian International | 2020/07/24 11:30 | Kristof Minarik v Filip Horansky | 1-6,3-6 |
| Slovakian International | 2020/07/10 09:20 | Norbert Gombos v Kristof Minarik | 6-0,6-1 |
| Slovakian International | 2020/06/18 11:55 | Kristof Minarik v Andrej Martin | 3-6,2-6 |