Estadio: Court 6 Center Round: 25 Ground: Hardcourt indoor
| ITF M25 Vilnius | 2022/01/17 08:00 | Karl Friberg v Matic Dimic | 6-4,6-2 |
| ITF M15 Heraklion | 2021/11/23 08:30 | Karl Friberg v Alastair Gray | 2-6,5-7 |
| ITF M15 Heraklion | 2021/11/17 10:00 | Filip Bergevi v Karl Friberg | 6-3,7-6 |
| ITF M25 Falun | 2021/09/27 09:20 | Karl Friberg v Daniel Little | 1-6,2-6 |
| ITF M25 Falun | 2021/09/26 11:00 | Karl Friberg v Felipe Mikkelsen | 6-1,6-1 |
| ITF M25 Jönköping | 2021/09/21 12:20 | Evgeny Karlovskiy v Karl Friberg | 6-4,6-1 |
| ITF M15 Ulcinj | 2021/09/16 09:50 | Rrezart Cungu v Karl Friberg | 6-1,6-3 |
| ITF M15 Ulcinj | 2021/09/14 08:00 | Karl Friberg v Petar Jovanovic | 6-3,6-0 |
| ITF M15 Sharm El Sheikh | 2021/11/16 10:10 | Haoyuan Huang v Ainius Sabaliauskas | 6-2,6-2 |
| ITF M15 Sharm El Sheikh | 2021/11/15 11:30 | Vladislav Gorbatenko v Ainius Sabaliauskas | 1-6,1-6 |
| ITF M15 Sharm El Sheikh | 2021/11/08 08:00 | Ainius Sabaliauskas v Karlo Cubelic | 5-7,2-6 |
| ITF M15 Parnu | 2021/10/28 11:25 | Ainius Sabaliauskas v Remy Bertola | 1-6,6-7 |
| ITF M15 Parnu | 2021/10/26 09:00 | Karlis Ozolins v Ainius Sabaliauskas | 5-7,4-6 |
| ITF M15 Sozopol | 2021/10/11 10:00 | Yannik Steinegger v Ainius Sabaliauskas | 6-3,6-2 |
| ITF M15 Vyshkovo | 2021/09/20 06:00 | Federico Campana v Ainius Sabaliauskas | 7-5,2-6,10-6 |
| ITF M15 Chornomorsk | 2021/09/01 07:00 | Yan Bondarevskiy v Ainius Sabaliauskas | 7-5,6-2 |