Stadium: Court 4 Round: 26 Ground: Hardcourt indoor
| ITF M25 Santa Margherita | 2022/04/27 12:00 | Johannes Haerteis v Gianmarco Ferrari | 5-7,1-6 |
| ITF M25 Santa Margherita | 2022/04/26 15:10 | Johannes Haerteis v Felix Mischker | 5-7,6-3,6-1 |
| Challenger Oeiras | 2022/04/04 09:30 | Ergi Kirkin v Johannes Haerteis | 6-3,6-2 |
| Challenger Oeiras Qual | 2022/04/03 09:00 | Arjun Kadhe v Johannes Haerteis | 6-3,5-7,1-6 |
| Challenger Marbella | 2022/03/28 08:00 | Alexander Shevchenko v Johannes Haerteis | 6-3,6-2 |
| Challenger Marbella | 2022/03/27 09:00 | Johannes Haerteis v Elliot Benchetrit | 7-5,6-2 |
| Challenger Biel | 2022/03/20 12:35 | Johannes Haerteis v Michail Pervolarakis | 3-6,2-6 |
| ITF M25 Trimbach | 2022/03/19 13:50 | Leandro Riedi v Johannes Haerteis | 6-4,6-4 |
| ITF M15 Monastir | 2022/03/29 11:35 | Aleksander Orlikowski v Michal Mikula | 6-0,6-4 |
| ITF M15 Monastir | 2022/03/24 10:15 | Michal Mikula v Mark Lajal | 3-6,6-3,6-7 |
| ITF M15 Creteil | 2022/03/09 16:00 | Nam Hoang Ly v Michal Mikula | 7-6,7-6 |
| ITF M15 Creteil | 2022/03/07 12:00 | Michal Mikula v Nikolay Vylegzhanin | 7-5,3-6,11-9 |
| ITF M15 Creteil | 2022/03/06 10:10 | Michal Mikula v Joris Hoogland | 6-2,6-2 |
| ITF M15 Monastir | 2022/01/27 10:40 | Mattia Bellucci v Michal Mikula | 6-2,7-5 |
| ITF M15 Monastir | 2022/01/26 11:00 | Michal Mikula v Federico Iannaccone | 6-3,7-6 |
| ITF M25 Monastir | 2022/01/24 09:00 | Michal Mikula v Mathieu Scaglia | 6-2,7-6 |