Stadion: Court 4 Round: 25 Ground: Hardcourt indoor
| ITF - M25 - Sunderland | 2023/01/25 11:45 | Hamish Stewart v George Loffhagen | 6-4,6-7,6-4 |
| ITF - M25 - Sheffield | 2023/01/17 10:00 | Martin Damm v George Loffhagen | 7-6,6-4 |
| ITF - M25 - Loughborough | 2023/01/15 11:00 | George Loffhagen v Clement Chidekh | 4-6,2-6 |
| ITF - M25 - Loughborough | 2023/01/14 10:30 | Harry Wendelken v George Loffhagen | 2-6,6-1,1-6 |
| ITF - M25 - Loughborough | 2023/01/13 12:00 | Aidan Mchugh v George Loffhagen | 1-6,3-6 |
| ITF - M25 - Loughborough | 2023/01/12 10:00 | Phoenix Weir v George Loffhagen | 3-6,2-6 |
| ITF - M25 - Loughborough | 2023/01/10 09:55 | George Loffhagen v Sascha Gueymard Wayenburg | 6-2,6-4 |
| ITF - M25 - Loughborough | 2023/01/09 12:00 | George Loffhagen v Sizya Ernest Kivanda | 6-2,6-2 |
| 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 |
| Challenger - Calgary | 2022/11/07 18:50 | Alafia Ayeni v Johannes Haerteis | 4-6,3-6 |
| Challenger - Calgary | 2022/11/07 00:15 | Philip Florig v Johannes Haerteis | 3-6,2-6 |