Stadium: Court 1 Round: 27 Ground: Hardcourt indoor
| ITF M25 Bourg-en-Bresse | 2023/06/30 15:30 | Martin Landaluce v Anton Matusevich | 6-2,3-6,7-5 |
| ITF M25 Bourg-en-Bresse | 2023/06/29 13:55 | Anton Matusevich v Alex M Pujolras | 2-6,6-2,6-3 |
| ITF M25 Bourg-en-Bresse | 2023/06/27 09:00 | Anton Matusevich v Leo Raquillet | 6-2,6-3 |
| ITF M25 Risskov/Aarhus | 2023/06/15 08:30 | Anton Matusevich v Leo Borg | 4-6,6-7 |
| ITF M25 Risskov/Aarhus | 2023/06/13 11:55 | Anton Matusevich v Noel Larwig | 6-2,6-0 |
| ITF M25 Nottingham | 2023/04/19 11:25 | Daniel Cox v Anton Matusevich | 6-3,6-3 |
| ITF M25 Trento | 2023/04/01 13:50 | Alastair Gray v Anton Matusevich | 6-3,7-5 |
| ITF M25 Trento | 2023/03/31 10:55 | Giovanni Oradini v Anton Matusevich | 7-6,4-6,4-6 |
| Challenger Karlsruhe | 2023/07/03 11:40 | Karl Friberg v Akira Santillan | 6-7,7-5,1-6 |
| 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 |