Stadion: Court 1 Round: 26 Ground: Hardcourt indoor
| ITF - M25 - Trnava | 2023/03/28 15:25 | Karl Friberg v Lukas Palovic | 6-0,6-4 |
| Challenger - Les Franqueses del Vallès | 2023/03/23 09:30 | Karl Friberg v Marco Trungelliti | 3-6,1-6 |
| Challenger - Les Franqueses del Vallès | 2023/03/21 15:05 | Karl Friberg v Bogdan Bobrov | 6-4,5-7,6-1 |
| Challenger - Les Franqueses del Vallès | 2023/03/20 11:40 | Bruno P Navarro v Karl Friberg | 2-6,3-6 |
| Challenger - Les Franqueses del Vallès | 2023/03/19 14:35 | Ignasi De Rueda De Genover v Karl Friberg | 2-6,6-3,3-6 |
| ITF - M25 - Trimbach | 2023/03/17 12:05 | Maximilian Neuchrist v Karl Friberg | 6-4,6-4 |
| ITF - M25 - Trimbach | 2023/03/16 09:00 | Kirill Kivattsev v Karl Friberg | 2-6,7-5,4-6 |
| ITF - M25 - Trimbach | 2023/03/15 09:00 | Alessandro Pecci v Karl Friberg | 4-6,6-7 |
| ITF - M25 - Trnava | 2023/03/29 12:00 | Peter Nad v Nicolas Kobelt | 4-6,5-7 |
| Challenger - Biel | 2023/03/20 12:55 | Nicolas Kobelt v Enrico Dalla Valle | 0-6,4-6 |
| Challenger - Biel | 2023/03/19 13:55 | Matteo Martineau v Nicolas Kobelt | 4-6,4-6 |
| ITF - M25 - Trimbach | 2023/03/14 13:55 | Matteo Martineau v Nicolas Kobelt | 6-2,6-7,6-1 |
| ITF - M15 - Sharm El Sheikh | 2023/02/08 12:00 | Nicolas Kobelt v Koray Kirci | 6-7,2-6 |
| ITF - M15 - Sharm El Sheikh | 2023/02/01 11:50 | Jiri Barnat v Nicolas Kobelt | 6-3,6-1 |
| ITF - M15 - Vilnius | 2023/01/18 10:45 | Nicolas Kobelt v Kirill Kivattsev | 3-6,6-7 |
| ITF - M15 - Vilnius | 2023/01/16 14:40 | Nicolas Kobelt v Aliaksandr Bulitski | 6-4,6-7,6-4 |