Stadion: Center Round: 25 Ground: Hardcourt indoor
| Challenger - Oeiras | 2023/01/09 11:00 | Dino Prizmic v Karl Friberg | 6-3,6-0 |
| Challenger - Oeiras - Qualifikation | 2023/01/08 11:00 | Karl Friberg v Maxime Janvier | 6-3,6-4 |
| Challenger - Oeiras | 2023/01/01 11:00 | Kenny de Schepper v Karl Friberg | 6-3,6-3 |
| ITF - M25 - Heraklion | 2022/11/22 10:25 | Karl Friberg v Pijus Vaitiekunas | 6-3,6-4 |
| ITF - M25 - Heraklion | 2022/11/17 09:55 | Karl Friberg v Sandro Kopp | 1-6,5-7 |
| ITF - M25 - Heraklion | 2022/11/15 10:30 | Dragos Nicolae Madaras v Karl Friberg | 3-6,2-6 |
| Challenger - Bratislava | 2022/11/07 09:30 | Karl Friberg v Illya Marchenko | 2-6,3-6 |
| Challenger - Bratislava | 2022/11/06 09:30 | Benjamin Hassan v Karl Friberg | 6-7,1-6 |
| ITF - M15 - Manacor | 2023/01/10 14:15 | Alex Knaff v Vilius Gaubas | 6-3,6-1 |
| Challenger - Vilnius | 2022/10/17 15:00 | Vilius Gaubas v Antoine Escoffier | 1-6,3-6 |
| ITF - M15 - Sabadell | 2022/09/28 13:10 | Vilius Gaubas v Patrick Maloney | 1-6,4-6 |
| ITF - M15 - Madrid | 2022/09/08 09:50 | Vilius Gaubas v Alvaro Lopez San Martin | 4-6,6-7 |
| ITF - M15 - Madrid | 2022/09/07 11:10 | Asier Civera Martinez v Vilius Gaubas | 3-6,6-2,5-7 |
| ITF - M25 - Oviedo | 2022/09/01 16:30 | Vilius Gaubas v Javier Barranco Cosano | 4-6,7-6,2-6 |
| ITF - M25 - Oviedo | 2022/08/30 13:05 | Vilius Gaubas v Pierre Mouesca | 6-4,6-3 |
| ITF - M25 - Posen | 2022/08/23 08:30 | Aleksandr Braynin v Vilius Gaubas | 6-7,6-4,6-2 |