Stadium: Court 4 Round: 26 Ground: Clay
| 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 M25 Trimbach | 2022/03/18 12:15 | Otto Virtanen v Johannes Haerteis | 4-6,6-4,4-6 |
| ITF M25 Santa Margherita | 2022/04/26 15:40 | Antonio Massara v Gianmarco Ferrari | 6-2,3-6,3-6 |
| ITF M15 Antalya | 2022/03/30 11:30 | Gianmarco Ferrari v Valentin Royer | 4-6,5-7 |
| ITF M15 Antalya | 2022/03/27 08:00 | Yuki Mochizuki v Gianmarco Ferrari | 3-6,6-1,6-1 |
| ITF M15 Antalya | 2022/03/26 10:00 | Gianmarco Ferrari v Rimpei Kawakami | 6-1,6-7,6-0 |
| ITF M15 Antalya | 2022/03/25 09:20 | Gianmarco Ferrari v Ilya Snitari | 6-4,6-4 |
| ITF M15 Antalya | 2022/03/24 07:00 | Gianmarco Ferrari v Stefanos Sakellaridis | 3-6,6-1,7-5 |
| ITF M15 Antalya | 2022/03/23 08:55 | Marsel Ilhan v Gianmarco Ferrari | 0-6,1-6 |
| Challenger Turin | 2022/02/27 13:35 | Gianmarco Ferrari v Antoine Bellier | 1-6,6-7 |