Stadium: Court Tsitsipas Round: 62 Ground: Hardcourt outdoor
| ITF M25 Heraklion | 2022/11/14 07:30 | Jonas Schaer v Morris, Eric | 6-2,6-1 |
| ITF M25 Heraklion | 2022/11/13 07:00 | Leopold Zima v Jonas Schaer | 1-6,6-2,6-10 |
| ITF M25 Glasgow | 2022/10/19 11:20 | Harry Wendelken v Jonas Schaer | 6-4,6-3 |
| ITF M25 Glasgow | 2022/10/17 09:00 | Jonas Schaer v Michael Shaw | 6-0,6-4 |
| ITF M25 Glasgow | 2022/10/16 08:30 | Jonas Schaer v Matthew Rankin | 7-6,6-0 |
| ITF - M25 Sunderland | 2022/10/11 09:00 | George Loffhagen v Jonas Schaer | 7-6,7-6 |
| ITF - M25 Sunderland | 2022/10/10 11:15 | Jonas Schaer v James Davis | 6-2,7-6 |
| ITF - M25 Sunderland | 2022/10/09 14:10 | Jonas Schaer v Mackinlay, James | 6-3,6-1 |
| ITF M25 Heraklion | 2022/11/14 10:00 | Janis, Jason v Jonas Trinker | 3-6,4-6 |
| ITF M25 Heraklion | 2022/11/13 10:00 | Sibille, Imran v Jonas Trinker | 6-3,2-6,3-10 |
| ITF - M15 Héraklion | 2022/11/06 09:30 | Michael Shaw v Jonas Trinker | 6-3,6-2 |
| ITF - M15 Héraklion | 2022/11/03 09:10 | Michael Zhu v Jonas Trinker | 6-2,6-1 |
| ITF - M15 Héraklion | 2022/11/02 13:00 | Gorazd Srbljak v Jonas Trinker | 6-7,4-6 |
| ITF - M15 Héraklion | 2022/11/01 07:30 | Jonas Trinker v Sibille, Imran | 6-3,6-4 |
| ITF - M15 Héraklion | 2022/10/31 09:30 | Jonas Trinker v Graham Maassen | 4-6,6-3,10-7 |
| ITF - M15 Héraklion | 2022/10/30 10:00 | Jonas Trinker v Matthew Summers | 7-5,6-2 |