| UTR Pro Tennis Series Miami | 2022/02/01 17:30 | Nicholas Steiglehner v Nemanja Stefanovic | 6-1,5-3 |
| UTR Pro Tennis Series Miami | 2022/01/31 14:30 | Nicholas Steiglehner v Ricardo Rodriguez-Pace | 1-6,2-6 |
| UTR Pro Tennis Series New York | 2022/01/02 15:00 | Nicholas Steiglehner v Alex Finkelstein | 4-6,6-4,3-6 |
| UTR Pro Tennis Series New York | 2021/12/31 15:30 | Nicholas Steiglehner v Liam Krall | 3-6,2-6 |
| UTR Pro Tennis Series New York | 2021/12/29 16:00 | Nicholas Steiglehner v Brian Shi | 2-6,3-5 |
| UTR Pro Tennis Series New York | 2021/12/28 19:00 | Nicholas Steiglehner v Mac Kiger | 6-4,1-6,5-3 |
| UTR Pro Tennis Series New York | 2021/12/27 21:30 | Roy Smith v Nicholas Steiglehner | 6-0,6-1 |
| UTR Pro Tennis Series Miami | 2022/02/01 14:30 | Ricardo Rodriguez-Pace v Karl Friberg | 2-6,2-6 |
| UTR Pro Tennis Series Miami | 2022/01/31 13:00 | Karl Friberg v Nemanja Stefanovic | 6-3,7-5 |
| ITF M25 Weston | 2022/01/26 15:00 | Karl Friberg v Timo Stodder | 6-7,6-7 |
| ITF M25 Vilnius | 2022/01/19 13:10 | Daniel Cukierman v Karl Friberg | 6-7,6-3,6-4 |
| ITF M25 Vilnius | 2022/01/18 14:45 | Karl Friberg v Ainius Sabaliauskas | 6-2,6-4 |
| 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 |