Stadium: Court 1 Round: 14 Ground: Hardcourt indoor
| ITF M25 Portimao | 2023/03/15 11:50 | Francesco Forti v Jaime Faria | 7-6,4-6,2-6 |
| ITF M25 Quinta Do Lago | 2023/03/09 17:15 | Francesco Forti v Tomas C Abasolo | 6-4,3-6,7-10 |
| Challenger Rovereto | 2023/02/20 13:55 | Bu Yunchaokete v Francesco Forti | 6-4,5-7,7-5 |
| ITF M25 Monastir | 2023/02/14 08:30 | Francesco Forti v Luca Potenza | 4-6,2-6 |
| ITF M25 Monastir | 2023/02/08 10:30 | Francesco Forti v Clement Tabur | 3-6,6-2,3-6 |
| ITF M25 Monastir | 2023/02/05 09:00 | Federico Gaio v Francesco Forti | 3-6,4-6 |
| ITF M25 Monastir | 2023/02/04 09:00 | Francesco Forti v Dan Added | 6-2,6-3 |
| ITF M25 Monastir | 2023/02/03 09:00 | Francesco Forti v Samuel Vincent Ruggeri | 4-6,6-1,6-3 |
| ITF M25 Trimbach | 2023/03/15 11:30 | Johannes Haerteis v Marcello Serafini | 4-6,7-5,4-6 |
| ITF M15 Oberhaching | 2023/02/15 12:25 | Mick Veldheer v Johannes Haerteis | 3-6,6-4,6-4 |
| ITF M25 Bath | 2023/02/07 12:10 | George Loffhagen v Johannes Haerteis | 6-3,6-3 |
| 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 |