Stadium: Court 4 Round: 62 Ground: Clay
| ITF M15 Selva Gardena | 2023/10/29 10:55 | Christian Fellin v Stefano D'Agostino | 6-7,2-6 |
| ITF M15 Monastir | 2023/10/23 15:00 | Edouard Villoslada v Christian Fellin | 6-4,6-2 |
| ITF M15 Monastir | 2023/10/23 08:00 | Alexander Grekul v Christian Fellin | 3-6,3-6 |
| ITF M15 Monastir | 2023/10/16 08:00 | Michal Krajci v Christian Fellin | 6-2,6-2 |
| ITF M15 Allershausen | 2023/08/28 12:00 | Jannik Maute v Christian Fellin | 6-4,6-3 |
| ITF M25 Lesa | 2023/08/20 08:00 | Nikola Basic v Christian Fellin | 6-1,6-4 |
| ITF M25 Bolzano | 2023/07/31 10:20 | Manuel Plunger v Christian Fellin | 6-4,7-5 |
| ITF M25 Bolzano | 2023/07/30 14:00 | Davide Galvanin v Christian Fellin | 4-6,2-6 |