Stadium: Center Court Round: 14 Ground: Clay
| Challenger Karlsruhe | 2023/07/02 14:55 | Karl Friberg v Jakub Nicod | 7-6,6-3 |
| ITF M15 Alkmaar | 2023/06/30 14:00 | Karl Friberg v Jeffrey Von Der Schulenburg | 6-4,6-7,3-6 |
| ITF M15 Alkmaar | 2023/06/29 18:40 | Karl Friberg v Twan Van Zijl | 6-3,6-0 |
| ITF M15 Alkmaar | 2023/06/28 13:05 | Karl Friberg v Roland Stuurman | 6-2,6-2 |
| ITF M25 Risskov/Aarhus | 2023/06/15 10:15 | Christian Sigsgaard v Karl Friberg | 6-3,6-0 |
| ITF M25 Risskov/Aarhus | 2023/06/13 08:30 | Gianluca Cadenasso v Karl Friberg | 3-6,1-6 |
| ITF M15 Vaasa | 2023/06/11 08:55 | Karl Friberg v Patrick Kaukovalta | 6-0,6-4 |
| ITF M15 Vaasa | 2023/06/10 08:00 | Karl Friberg v Tom Gentzsch | 6-1,6-1 |
| ITF M15 Monastir | 2023/07/02 12:00 | Tiago Pereira v Yuvraj Rao | 6-0,6-1 |
| ITF M15 Monastir | 2023/06/14 08:30 | Tiago Pereira v Wissam Abderrahman | 4-6,6-4,3-6 |
| ITF M15 Monastir | 2023/06/09 10:20 | Robin Bertrand v Tiago Pereira | 3-6,6-4,6-3 |
| ITF M15 Monastir | 2023/06/06 08:30 | Tiago Pereira v Aleksandr Lobanov | 7-5,6-3 |
| ITF M25 La Nucia | 2023/06/01 10:00 | Tiago Pereira v Alibek Kachmazov | 5-7,3-6 |
| ITF M25 La Nucia | 2023/05/31 10:00 | Tiago Pereira v Jaime Caldes | 6-1,6-4 |
| ITF M15 Monastir | 2023/05/13 08:30 | Rigele Te v Tiago Pereira | 7-5,7-5 |
| ITF M15 Monastir | 2023/05/12 08:30 | Omni Kumar v Tiago Pereira | 4-6,5-7 |