Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| 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 M15 Sharm El Sheikh | 2019/03/18 11:30 | Marco Brugnerotto v Kristjan Tamm | 6-2,6-2 |
| ITF M15 Sharm El Sheikh | 2019/03/18 08:00 | Bastien Presuhn v Kristjan Tamm | 6-4,1-6,5-10 |
| ITF M15 Sharm El Sheikh | 2019/03/13 08:00 | Alessandro Bega v Kristjan Tamm | 7-6,6-4 |
| ITF M15 Sharm El Sheikh | 2019/03/11 12:00 | Alexis Gautier v Kristjan Tamm | 1-6,7-6,8-10 |
| ITF M15 Sharm El Sheikh | 2019/03/11 08:00 | Kai Lemstra v Kristjan Tamm | 2-6,2-6 |
| ITF M15 Monastir | 2019/02/14 11:05 | Kristjan Tamm v Alvaro Lopez San Martin | 1-6,3-6 |
| ITF M15 Monastir | 2019/02/13 11:45 | Ondrej Styler v Kristjan Tamm | 4-6,3-6 |
| ITF M15 Monastir | 2019/02/11 13:30 | Kristjan Tamm v Vasko Mladenov | 6-3,6-3 |
| ITF M25 Calabasas | 2019/03/18 17:00 | Karue Sell v Karl Friberg | 6-2,6-0 |
| ITF M15 Arcadia | 2019/03/14 18:30 | Karl Friberg v Emilio Nava | 4-6,2-6 |
| ITF M15 Arcadia | 2019/03/13 19:25 | Karl Friberg v Michael Shabaz | 4-6,6-4,7-5 |
| ITF M15 Sharm El Sheikh | 2019/02/21 08:00 | Fajing Sun v Karl Friberg | 6-2,6-4 |
| ITF M15 Sharm El Sheikh | 2019/02/20 09:30 | Maciej Smola v Karl Friberg | 3-6,4-6 |
| ITF Qatar F5 | 2018/12/09 12:00 | Karl Friberg v Anatoliy Petrenko | 6-4,4-6,0-6 |
| ITF Qatar F4 | 2018/12/04 13:50 | Thomas Statzberger v Karl Friberg | 6-1,6-4 |
| ITF Finland F4 | 2018/11/16 14:35 | Evgeny Tyurnev v Karl Friberg | 7-6,6-1 |