Stadium: Court 9 Round: 62 Ground: Clay
| ITF Turkey F15 | 2018/04/16 07:30 | Nik Razborsek v Mike Urbanija | 6-7,0-6 |
| ITF Turkey F15 | 2018/04/15 07:30 | Nik Razborsek v Juan Pablo Cenoz | 7-5,6-0 |
| ITF Turkey F15 | 2018/04/14 07:30 | Nik Razborsek v Valentin Vanta | 6-1,6-1 |
| Davis Cup | 2018/04/08 13:20 | Nik Razborsek v Altug Celikbilek | 7-5,6-3 |
| ITF Croatia F3 | 2018/03/22 14:00 | Matteo Viola v Nik Razborsek | 7-6,6-3 |
| ITF Croatia F3 | 2018/03/21 10:30 | Tommaso Gabrieli v Nik Razborsek | 3-6,3-6 |
| ITF Croatia F2 | 2018/03/15 09:00 | Zdenek Kolar v Nik Razborsek | 6-7,4-6 |
| ITF Croatia F2 | 2018/03/14 10:35 | Sebastian Prechtel v Nik Razborsek | 1-6,6-4,4-6 |
| ITF Portugal F2 Qual | 2018/02/24 12:30 | Joel Cannell v Siim Troost | 6-3,6-3 |
| ITF Germany F1 | 2018/01/07 11:30 | Siim Troost v Jakob Cadonau | 5-7,5-7 |
| ITF Finland F4 Qual | 2017/11/11 13:30 | Siim Troost v Patrick Mayer | 4-6,2-6 |
| ITF Estonia F4 | 2017/11/07 13:00 | Siim Troost v Vladimir Ivanov | 2-6,3-6 |
| ITF Estonia F3 | 2017/10/30 10:55 | Pavel Kotov v Siim Troost | 6-3,6-2 |
| ITF Estonia F2 | 2017/10/24 10:45 | Harri Heliovaara v Siim Troost | 6-1,6-0 |
| ITF Estonia F1 | 2016/07/23 22:00 | Dmitry Mnushkin v Siim Troost | 7-6,6-3 |
| ITF Estonia F1 | 2015/11/07 12:00 | Siim Troost v Vladimir Polyakov | 1-6,0-6 |