Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF - Helsinki M15 | 2019/08/21 10:15 | Kristjan Tamm v Karl Friberg | 3-6,1-6 |
| ITF Finland F3 | 2018/08/15 08:00 | Karl Friberg v Kristjan Tamm | 6-3,6-2 |
| ITF Finland F2 | 2018/08/08 08:00 | Kristjan Tamm v Karl Friberg | 4-6,3-6 |
| ITF - Manacor M15 | 2024/01/24 09:30 | Karl Friberg v Hayato Matsuoka | 7-6,5-7,6-2 |
| Challenger Oeiras - Kwalifikacje | 2024/01/07 17:15 | Karl Friberg v Samuel Vincent Ruggeri | 3-6,2-6 |
| Challenger Maia | 2023/11/29 12:35 | Karl Friberg v Andrea Vavassori | 2-6,3-6 |
| Challenger Maia | 2023/11/28 12:15 | Sebastian Fanselow v Karl Friberg | 6-3,3-6,4-6 |
| Challenger Maia | 2023/11/27 11:00 | Karl Friberg v Aleksandr Braynin | 5-7,6-1,6-3 |
| Challenger Maia | 2023/11/26 13:10 | Karl Friberg v Tiago Pereira | 4-6,6-3,6-1 |
| Challenger Danderyd | 2023/11/15 17:30 | Denis Yevseyev v Karl Friberg | 6-2,6-3 |
| ITF - Trnava M25 | 2023/11/12 10:00 | Karl Friberg v Lukas Pokorny | 6-4,6-4 |
| ITF - Manacor M15 | 2024/01/23 15:30 | Kristjan Tamm v Patrick Kaukovalta | 6-1,6-4 |
| ITF - Manacor M15 | 2024/01/17 11:30 | Ron Ellouck v Kristjan Tamm | 6-4,6-4 |
| ITF - Manacor M15 | 2024/01/10 14:00 | Adrian Oetzbach v Kristjan Tamm | 7-5,6-2 |
| ITF - Casablanca M15 | 2023/06/27 17:05 | Kristjan Tamm v Manas Manoj Dhamne | 6-3,6-4 |
| ITF - Kursumlijska Banja M15 | 2023/06/01 09:00 | Luka Pavlovic v Kristjan Tamm | 7-6,6-4 |
| ITF - Kursumlijska Banja M15 | 2023/05/31 12:35 | Boris Butulija v Kristjan Tamm | 4-6,1-6 |
| ITF - Kursumlijska Banja M15 | 2023/05/25 11:10 | Kristjan Tamm v Pawel Juszczak | 2-6,3-6 |
| ITF - Kursumlijska Banja M15 | 2023/05/23 14:00 | Kristjan Tamm v Alexandar Balj | 6-4,6-3 |