| Davis Cup | 02/03 16:50 | 168 | Karl Friberg v Gustavo Heide | CANC | |
| Davis Cup | 02/02 16:00 | 168 | [364] Karl Friberg v Thiago Monteiro [119] | 3-6,6-7 | |
| ITF - M15 Manacor | 01/27 10:00 | 28 | [365] Karl Friberg v Ryan Nijboer [469] | 4-6,2-6 | |
| ITF - M15 Manacor | 01/26 10:00 | 27 | Karl Friberg v Michiel de Krom | 7-6,6-3 | |
| ITF - M15 Manacor | 01/25 14:30 | 26 | Karl Friberg v Kristjan Tamm | 6-1,1-6,6-3 | |
| ITF - M15 Manacor | 01/24 09:30 | 25 | Karl Friberg v Hayato Matsuoka | 7-6,5-7,6-2 | |
| Challenger - Oeiras - kvalifikácia | 01/07 17:15 | 14 | [365] Karl Friberg v Samuel Vincent Ruggeri [348] | 3-6,2-6 | |
| Challenger - Maia | 11/29 12:35 | 26 | [385] Karl Friberg v Andrea Vavassori [168] | 2-6,3-6 | |
| Challenger - Maia | 11/28 12:15 | 25 | [324] Sebastian Fanselow v Karl Friberg [385] | 6-3,3-6,4-6 | |
| Challenger - Maia | 11/27 11:00 | 19 | Karl Friberg v Aleksandr Braynin | 5-7,6-1,6-3 | |
| Challenger - Maia | 11/26 13:10 | 14 | Karl Friberg v Tiago Pereira | 4-6,6-3,6-1 | |
| Challenger - Danderyd | 11/15 17:30 | 25 | [228] Denis Yevseyev v Karl Friberg [440] | 6-2,6-3 |
Karl Friberg (born 25 March 1999) is a Swedish tennis player.
Friberg has a career high ATP singles ranking of No. 355 achieved on 19 June 2023. In the ATP doubles ranking he has a career high ranking of No. 690 achieved on 26 June 2023.
Friberg made his ATP main draw debut at the 2021 Stockholm Open after entering the doubles main draw as an alternate with Mohamed Safwat.
He received a wildcard for the 2023 Stockholm Open partnering Jonathan Mridha.