Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Manacor | 2022/01/11 10:30 | Nathan Trouve v Sandro Cottino | 3-6,4-6 |
| ITF M25 Santo Domingo | 2021/11/28 13:30 | Sandro Cottino v Dorian Tremblay | 6-3,6-3 |
| Challenger Manama | 2021/11/24 08:00 | Evgeny Karlovskiy v Johannes Haerteis | 6-3,6-1 |
| Challenger Manama | 2021/11/23 11:40 | Johannes Haerteis v Alexander Erler | 6-3,6-4 |
| Challenger Manama | 2021/11/22 08:00 | Johannes Haerteis v Alexandar Lazarov | 3-6,6-7 |
| Challenger Manama | 2021/11/21 10:05 | Johannes Haerteis v Ammar Faleh Alhogbani | 6-2,6-1 |
| Challenger Helsinki | 2021/11/14 09:00 | Johannes Haerteis v Viktor Durasovic | 4-6,6-7 |
| Challenger Eckental | 2021/11/02 18:15 | Maxime Cressy v Johannes Haerteis | 6-7,6-4,6-3 |
| Challenger Eckental | 2021/11/01 11:15 | Johannes Haerteis v Uladzimir Ignatik | 4-6,6-2,7-6 |
| Challenger Eckental | 2021/10/31 13:30 | Lucas Miedler v Johannes Haerteis | 3-6,7-5,3-6 |