Stadium: Court 6 Round: 25 Ground: Clay
| ITF M15 Oberhaching | 2023/02/15 12:25 | Mick Veldheer v Johannes Haerteis | 3-6,6-4,6-4 |
| ITF M25 Bath | 2023/02/07 12:10 | George Loffhagen v Johannes Haerteis | 6-3,6-3 |
| Challenger Koblenz | 2023/01/31 17:35 | Alexey Vatutin v Johannes Haerteis | 7-6,6-1 |
| Challenger Koblenz | 2023/01/30 10:00 | Jeremy Jahn v Johannes Haerteis | 4-6,4-6 |
| Challenger Koblenz | 2023/01/29 13:45 | Johannes Haerteis v Andrea Arnaboldi | 6-4,6-4 |
| ITF M25 Nussloch | 2023/01/25 11:50 | Johannes Haerteis v Elmar Ejupovic | 5-7,6-7 |
| Challenger Drummondville | 2022/11/13 21:25 | Evan King v Johannes Haerteis | 7-6,2-6,2-6 |
| Challenger Calgary | 2022/11/08 23:55 | Johannes Haerteis v Gabriel Decamps | 5-7,4-6 |
| ITF M15 Selva Gardena | 2022/10/31 13:40 | Tommaso Compagnucci v Mihai Alexandru Coman | 6-2,6-2 |
| ITF M15 Curtea de Arges | 2022/08/10 07:45 | Mihai Alexandru Coman v Dragos N Cazacu | 4-6,3-6 |
| ITF M25 Pitesti | 2022/08/03 07:45 | Vasile Antonescu v Mihai Alexandru Coman | 6-1,6-2 |
| ITF M25 Pitesti | 2022/08/01 07:50 | Charles Minc v Mihai Alexandru Coman | 2-6,2-6 |
| ITF M25 Pitesti | 2022/07/31 08:00 | Mihai Alexandru Coman v Mihai Razvan Marinescu | 6-3,7-6 |
| ITF M25 Bacau | 2022/07/28 08:45 | Mihai Alexandru Coman v Oliver Crawford | 0-6,3-6 |
| ITF M25 Bacau | 2022/07/27 08:50 | Gian M Di Natale v Mihai Alexandru Coman | 2-6,4-6 |
| Challenger Bucharest | 2021/09/19 12:25 | Raul Brancaccio v Mihai Alexandru Coman | 6-3,6-1 |