Stadium: Court 4 (Ringi) Round: 25 Ground: Hardcourt indoor
| ITF Finland F4 | 2018/11/10 12:55 | Igor Shrolik v Siim Troost | 5-7,6-3,6-4 |
| ITF Estonia F3 | 2018/11/05 09:00 | Nikita Mashtakov v Siim Troost | 6-4,1-6,6-3 |
| ITF Estonia F2 | 2018/10/30 16:15 | Siim Troost v Dzianis Zharyn | 2-6,6-7 |
| ITF Finland F3 | 2018/08/14 07:00 | Siim Troost v Vladimir Ivanov | 4-6,6-3,3-6 |
| ITF Finland F2 | 2018/08/06 08:00 | Siim Troost v Mattias Siimar | 6-2,1-6,0-6 |
| ITF Finland F1 Qual | 2018/07/29 11:15 | Siim Troost v Sam Taylor | 6-7,6-4,3-6 |
| ITF Finland F1 Qual | 2018/07/28 11:00 | Alex Hedman v Siim Troost | 4-6,3-6 |
| ITF Lithuania F1 | 2018/07/21 10:00 | Siim Troost v Martins Rocens | 3-6,6-3,1-6 |
| ITF M15 Vilnius | 2019/07/09 13:10 | Denis Klok v Karl Friberg | 6-2,6-3 |
| ITF M15 Den Haag | 2019/07/04 13:10 | Karl Friberg v Matias Zukas | 1-6,1-6 |
| ITF M15 Den Haag | 2019/07/03 13:45 | Takanyi Garanganga v Karl Friberg | 4-6,6-4,6-7 |
| ITF M15 Alkmaar | 2019/06/26 08:00 | Karl Friberg v Bastian Malla | 2-6,3-6 |
| ITF M15 Balatonalmadi | 2019/06/18 10:05 | Karl Friberg v Matyas Fuele | 6-4,3-6,8-10 |
| ITF M15 Balatonalmadi | 2019/06/17 10:30 | Karl Friberg v Marcell Bartakovics | 6-1,6-4 |
| ITF M15 Irpin | 2019/05/30 09:20 | Karl Friberg v Arnaud Bovy | 2-6,2-6 |
| ITF M15 Irpin | 2019/05/29 08:50 | Karl Friberg v Pavel Shumeiko | 6-2,6-1 |