Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Vaasa | 2023/06/07 09:50 | Karl Friberg v Lewie Lane | 7-5,6-3 |
| Challenger Troisdorf | 2023/06/01 13:00 | Karl Friberg v Oleksii Krutykh | 6-1,1-6,4-6 |
| Challenger Troisdorf | 2023/05/30 16:25 | Filip Misolic v Karl Friberg | 5-7,6-4,4-6 |
| Challenger Troisdorf | 2023/05/29 10:45 | Jose Pereira v Karl Friberg | 6-4,4-6,6-3 |
| Challenger Troisdorf | 2023/05/28 12:45 | Kenny de Schepper v Karl Friberg | 2-6,6-1,1-6 |
| ITF M15 Kalmar | 2023/05/18 10:25 | Karl Friberg v Alexander Blockx | 4-6,4-6 |
| ITF M15 Kalmar | 2023/05/17 09:40 | Karl Friberg v Jack Karlsson Winstrand | 6-3,6-0 |
| ITF M25 Varnamo | 2023/05/10 11:00 | Karl Friberg v Andrea Gola | 4-6,3-6 |
| ITF M15 Vaasa | 2023/06/07 07:00 | Benedikt Henning v Nico Hornitschek | 4-6,4-6 |
| ITF M25 Bodrum | 2023/05/23 08:10 | Nico Hornitschek v Sergey Fomin | 7-5,0-6,5-7 |
| ITF M25 Bodrum | 2023/05/22 07:50 | Nico Hornitschek v Fatih Sari | 6-2,6-3 |
| ITF M15 Alaminos-Larnaca | 2023/05/02 06:00 | Nico Hornitschek v Stephanos Schinas | 2-6,7-5,8-10 |
| ITF M15 Alaminos-Larnaca | 2023/05/01 06:00 | Nico Hornitschek v Igor Trunov | 7-6,6-4 |
| ITF M15 Meerbusch | 2023/04/24 13:30 | Nico Hornitschek v Philipp Pavlenko | 6-7,1-6 |
| ITF M15 Meerbusch | 2023/04/24 07:30 | Nico Hornitschek v Niels Visker | 6-2,6-4 |
| ITF M25 Santa Margherita | 2023/04/09 08:00 | Pietro Pampanin v Nico Hornitschek | 6-3,6-4 |