Stadium: Court 5 Round: 54 Ground: Clay
| ITF M15 Boca Raton | 2022/11/14 14:00 | Jonas P Hartenstein v Liam Puttergill | 6-0,6-1 |
| ITF M15 Tallahassee | 2022/10/27 18:50 | Jonas P Hartenstein v Antoine Cornut-Chauvinc | 1-6,3-6 |
| ITF M15 Tallahassee | 2022/10/26 20:25 | Kyle Kang v Jonas P Hartenstein | 7-6,3-6,6-7 |
| ITF M15 Tallahassee | 2022/10/25 14:00 | Carles Hernandez v Jonas P Hartenstein | 6-1,4-6,4-10 |
| ITF M15 Tallahassee | 2022/10/24 14:00 | Alex Bulte v Jonas P Hartenstein | 3-6,6-3,11-13 |
| ITF M15 Haren | 2022/09/01 11:20 | Rafael Giotis v Jonas P Hartenstein | 6-3,3-6,7-5 |
| ITF M15 Haren | 2022/08/31 11:15 | Shinnosuke Hiramatsu v Jonas P Hartenstein | 3-6,4-6 |
| ITF M15 Haren | 2022/08/30 08:30 | Jonas P Hartenstein v Tomi Van den Ham | 6-2,6-4 |
| ITF M15 Boca Raton | 2022/11/14 14:00 | Kevin Humpfner v Martin Katz | 6-7,6-7 |
| ITF M25 Koksijde | 2022/08/16 08:00 | Harold Huens v Martin Katz | 0-6,7-5,6-2 |
| ITF M25 Koksijde | 2022/08/15 07:55 | Martin Katz v Jack Loge | 6-1,6-4 |
| ITF M25 Koksijde | 2022/08/14 08:00 | Martin Katz v Yannick Lenaerts | 6-0,6-4 |
| ITF M25 Esch/Alzette | 2022/07/18 07:00 | Martin Katz v Victor Ernaelsteen | 4-6,4-6 |
| ITF M15 Monastir | 2021/11/17 11:40 | Martin Katz v Omar Brigida | 4-6,4-6 |
| ITF M15 Monastir | 2021/11/15 14:00 | Martin Katz v Gabriele Moghini | 7-5,7-5 |
| ITF M15 Monastir | 2021/11/15 09:00 | Martin Katz v Genaro Marzialetti | 6-2,6-2 |