Stadium: Court 5 Round: 62 Ground: Clay
| ITF M25 Prague | 2023/05/17 07:55 | Jan Hrazdil v Christian Fellin | 6-3,6-2 |
| ITF M25 Prague | 2023/05/16 08:55 | Michael Agwi v Christian Fellin | 3-6,3-6 |
| ITF M25 Prague | 2023/05/14 12:30 | Christian Fellin v Stepan Baum | 6-3,6-7,10-6 |
| 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 M15 Doboj | 2023/05/08 10:30 | Zak Talic v Elias Julian Werner | 6-1,6-0 |
| ITF M15 Doboj | 2023/05/07 10:30 | Strahinja Musicki v Elias Julian Werner | 2-6,2-6 |
| ITF M15 Meerbusch | 2023/04/24 12:00 | Elias Julian Werner v Dominik Recek | 1-6,1-6 |
| ITF M25 Split | 2023/04/17 13:00 | Elias Julian Werner v Maj Premzl | 1-6,2-6 |
| ITF M25 Split | 2023/04/17 07:00 | Lukas Rohseano v Elias Julian Werner | 2-6,1-6 |
| ITF M15 Monastir | 2022/12/26 08:00 | Timofey Stepanov v Elias Julian Werner | 2-6,6-3,10-3 |
| ITF M15 Monastir | 2022/12/25 08:00 | Elias Julian Werner v Adrian Arcon | 7-5,6-1 |
| ITF M15 Monastir | 2022/12/18 10:00 | Elias Julian Werner v Stefano D'Agostino | 2-6,4-6 |