Stadium: Centre Court Round: 25 Ground: Clay
| ITF M25 Marburg | 2022/07/06 12:20 | Johannes Haerteis v Max Wiskandt | 4-6,7-6,1-6 |
| Challenger Malaga | 2022/06/27 08:30 | Gabriel Decamps v Johannes Haerteis | 6-4,6-1 |
| Challenger Malaga | 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 Cordoba | 2022/06/08 18:40 | Svyatoslav Gulin v Johannes Haerteis | 6-4,6-2 |
| Challenger Tunis | 2022/05/15 09:30 | Shintaro Mochizuki v Johannes Haerteis | 7-5,3-6,6-1 |
| Challenger Heilbronn | 2022/05/08 14:50 | Alexey Vatutin v Johannes Haerteis | 3-6,4-6 |
| Challenger Braunschweig | 2022/07/03 14:45 | Arthur Fils v Liam Gavrielides | 6-2,6-2 |
| ITF M15 Bern | 2022/07/01 13:45 | Liam Gavrielides v Sebastian Prechtel | 6-3,2-6,3-6 |
| ITF M15 Bern | 2022/06/30 13:35 | Liam Gavrielides v Jan Sebesta | 6-3,5-7,6-3 |
| ITF M15 Bern | 2022/06/29 08:00 | Luigi Sorrentino v Liam Gavrielides | 1-6,4-6 |
| ITF M15 Kamen | 2022/06/21 14:40 | Liam Gavrielides v Szymon Kielan | 2-6,7-5,1-6 |
| Challenger Heilbronn | 2022/05/08 09:30 | Nikolas Sanchez Izquierdo v Liam Gavrielides | 7-6,6-3 |
| ITF M15 Oberhaching | 2022/02/16 12:15 | Liam Gavrielides v Marko Topo | 4-6,4-6 |
| ITF M25 Ueberlingen | 2021/08/20 10:00 | Tim Handel v Liam Gavrielides | 6-2,6-1 |