Stadium: Court 4 Round: 19 Ground: Clay
| Challenger Oeiras Qual | 2022/04/03 11:45 | Ergi Kirkin v Faria, Luis | 7-6,6-4 |
| Challenger - Oeiras | 2022/03/29 16:20 | Ergi Kirkin v Nino Serdarusic | 1-6,3-6 |
| Challenger - Oeiras | 2022/03/28 11:20 | Ergi Kirkin v Guy Den Ouden | 6-4,6-4 |
| Challenger - Oeiras | 2022/03/27 13:20 | Ergi Kirkin v Ryan Nijboer | 6-0,7-5 |
| Challenger - Zadar | 2022/03/21 12:05 | Cezar Cretu v Ergi Kirkin | 7-5,6-3 |
| Challenger - Zadar | 2022/03/20 13:05 | Admir Kalender v Ergi Kirkin | 3-6,1-6 |
| ITF M25 Rovinj | 2022/03/19 09:30 | Dalibor Svrcina v Ergi Kirkin | 6-2,1-6,6-2 |
| ITF M25 Rovinj | 2022/03/18 11:05 | Ergi Kirkin v Arthur Cazaux | 6-2,6-3 |
| Challenger Oeiras Qual | 2022/04/03 09:00 | Arjun Kadhe v Haerteis, Johannes | 6-3,5-7,1-6 |
| Marbella, Spain | 2022/03/28 08:00 | Alexander Shevchenko v Haerteis, Johannes | 6-3,6-2 |
| Marbella, Spain | 2022/03/27 09:00 | Haerteis, Johannes v Elliot Benchetrit | 7-5,6-2 |
| Challenger Biel | 2022/03/20 12:35 | Haerteis, Johannes v Pervolarakis, Michail | 3-6,2-6 |
| ITF - M25 Trimbach | 2022/03/19 13:50 | Leandro Riedi v Haerteis, Johannes | 6-4,6-4 |
| ITF - M25 Trimbach | 2022/03/18 12:15 | Otto Virtanen v Haerteis, Johannes | 4-6,6-4,4-6 |
| ITF - M25 Trimbach | 2022/03/17 09:00 | Haerteis, Johannes v Frantzen, Constantin | 6-3,6-7,6-2 |
| ITF - M25 Trimbach | 2022/03/16 09:00 | Gabriele Moghini v Haerteis, Johannes | 5-7,4-6 |