Stadion: Centre Court Round: 27 Ground: Clay
| ITF - M15 - Metzingen | 2022/07/21 11:00 | Johannes Haerteis v Karl Friberg | 6-4,1-6,6-3 |
| ITF - M15 - Metzingen | 2022/07/20 11:00 | Johannes Haerteis v Liam Gavrielides | 6-4,5-7,7-6 |
| ITF - M25 - Marburg | 2022/07/06 12:20 | Johannes Haerteis v Max Wiskandt | 4-6,7-6,1-6 |
| Challenger - Málaga | 2022/06/27 08:30 | Gabriel Decamps v Johannes Haerteis | 6-4,6-1 |
| Challenger - Málaga | 2022/06/26 08:30 | David Marrero v Johannes Haerteis | 2-6,6-4,1-6 |
| ITF - M25 - Martos | 2022/06/16 15:30 | Johannes Haerteis v Alberto Barroso Campos | 2-6,6-3,2-6 |
| ITF - M25 - Martos | 2022/06/15 17:05 | Johannes Haerteis v Aaron Cohen | 6-4,6-4 |
| ITF - M15 - Córdoba | 2022/06/08 18:40 | Svyatoslav Gulin v Johannes Haerteis | 6-4,6-2 |
| ITF - M15 - Metzingen | 2022/07/21 15:55 | Sander Jong v Tim Handel | 6-3,6-7,6-3 |
| ITF - M15 - Metzingen | 2022/07/19 14:20 | Stefan Peter Hampe v Sander Jong | 5-7,7-5,3-6 |
| ITF - M15 - Metzingen | 2022/07/17 13:00 | Sander Jong v Lewie Lane | 6-0,6-4 |
| Challenger - Amersfoort | 2022/07/13 11:05 | Luca Van Assche v Sander Jong | 6-0,6-2 |
| Challenger - Amersfoort | 2022/07/12 10:20 | Harold Mayot v Sander Jong | 4-6,5-7 |
| ITF - M25 - Den Haag | 2022/06/29 15:55 | Sander Jong v Daniel De Jonge | 6-3,3-6,4-6 |
| ITF - M15 - Duffel | 2022/06/12 12:00 | Max Wiskandt v Sander Jong | 1-6,1-6 |
| ITF - M25 - Austin | 2021/11/18 19:50 | Sander Jong v Peter Bertran | 6-7,3-6 |