Stadium: Court 5 Round: 62 Ground: Clay
| ITF M15 Alaminos-Larnaca | 2023/04/26 10:35 | Elmer Moller v Christian Fellin | 6-3,6-2 |
| ITF M15 Alaminos-Larnaca | 2023/04/25 07:00 | Christian Fellin v Daniil Golubev | 6-0,6-0 |
| ITF M15 Alaminos-Larnaca | 2023/04/24 07:00 | Asaf Friedler v Christian Fellin | 5-7,4-6 |
| ITF M15 Alaminos-Larnaca | 2023/04/23 07:00 | Tim Ruehl v Christian Fellin | 6-7,4-6 |
| ITF M25 Santa Margherita | 2023/04/09 08:30 | Mario G Fernandez v Christian Fellin | 6-3,6-2 |
| ITF M25 Santa Margherita | 2023/04/03 11:00 | Paul Inchauspe v Christian Fellin | 6-1,6-2 |
| ITF M25 Santa Margherita | 2023/04/02 11:30 | Christian Fellin v Paolo Emilio Cossu Floris | 6-0,6-2 |
| ITF M25 Antalya | 2023/01/30 08:55 | Christian Fellin v Lucca Pinto | 0-6,3-6 |
| ITF M15 Kish Island | 2023/03/14 08:00 | Dragos N Cazacu v Stepan Baum | 6-7,7-6,10-4 |
| ITF M15 Kish Island | 2023/03/13 12:30 | Liyi Feng v Stepan Baum | 0-6,1-6 |
| ITF M15 Kish Island | 2023/03/12 14:00 | Stepan Baum v Maxim Krapivin | 6-2,6-4 |
| ITF M15 Kish Island | 2023/03/09 07:00 | Gergely Madarasz v Stepan Baum | 6-3,7-5 |
| ITF M15 Kish Island | 2023/03/08 06:30 | Alexander Chepik v Stepan Baum | 5-7,3-6 |
| ITF M15 Kish Island | 2023/03/07 06:30 | Jagmeet Singh v Stepan Baum | 2-6,0-6 |
| ITF M15 Kish Island | 2023/03/06 11:00 | Stepan Baum v Artiom Dorofeev | 6-4,6-1 |
| ITF M25 Monastir | 2022/04/17 10:30 | Matthew Dellavedova v Stepan Baum | 6-3,6-3 |