Stadium: Court 9 Round: 54 Ground: Hardcourt indoor
| ITF Estonia F3 | 2018/11/05 09:00 | Matvey Khomentovskiy v Sergey Betov | 4-6,2-6 |
| ITF Estonia F2 | 2018/10/31 09:00 | Matvey Khomentovskiy v Luca Castelnuovo | 4-6,4-6 |
| ITF Estonia F2 | 2018/10/29 09:00 | Matvey Khomentovskiy v Dmitry Myagkov | 2-6,6-4,6-2 |
| ITF Russia F4 | 2018/07/31 08:55 | Matvey Khomentovskiy v Maxim Ratniuk | 4-6,2-6 |
| ITF Lithuania F1 | 2018/07/25 08:00 | Paul Jubb v Matvey Khomentovskiy | 6-2,6-4 |
| ITF Lithuania F1 | 2018/07/24 11:50 | Vladislav Dubinsky v Matvey Khomentovskiy | 4-6,4-6 |
| ITF Estonia F1 | 2018/07/18 08:00 | Patrik Niklas-Salminen v Matvey Khomentovskiy | 6-4,6-4 |
| ITF Estonia F1 | 2018/07/17 09:15 | Matvey Khomentovskiy v Daniil Glinka | 7-6,6-2 |
| ITF Estonia F3 | 2018/11/03 08:00 | Hermanni Tiainen v Philipp Klimov | 4-6,0-6 |
| ITF Estonia F2 | 2018/10/27 08:00 | Rihards Emulins v Hermanni Tiainen | 6-1,6-1 |
| ITF Finland F3 | 2018/08/11 12:00 | Peter Sillanpaa v Hermanni Tiainen | 6-3,6-3 |
| ITF Finland F2 Qual | 2018/08/04 10:00 | Aaron Prandstetter v Hermanni Tiainen | 7-6,6-4 |
| ITF Finland F1 Qual | 2018/07/28 07:00 | Hermanni Tiainen v Jason Sormunen | 3-6,0-6 |
| ITF Lithuania F1 | 2018/07/21 10:00 | Hermanni Tiainen v Matheus Pucinelli De Almeida | 3-6,0-6 |
| ITF Turkey F20 Qual | 2018/05/21 07:30 | Cengiz Aksu v Hermanni Tiainen | 6-1,6-1 |
| ITF Turkey F20 Qual | 2018/05/20 09:00 | Hermanni Tiainen v Nabi Kustepe | 6-2,6-0 |