Stadium: Ringi 2 Round: 26 Ground: Hardcourt indoor
| ITF Estonia F1 | 2018/07/17 07:00 | George Botezan v Mattias Siimar | 6-4,2-6,4-6 |
| ITF Italy F13 | 2018/06/06 09:00 | Mattias Siimar v Hugo Grenier | 4-6,3-6 |
| ITF Italy F13 | 2018/06/05 09:50 | Mattias Siimar v Manuel Mazza | 6-2,7-5 |
| ITF Italy F13 | 2018/06/04 07:30 | Francesco Ferrari v Mattias Siimar | 6-4,6-1 |
| ITF Italy F13 | 2018/06/03 08:00 | Siim Troost v Mattias Siimar | 7-5,6-4 |
| ITF Italy F13 | 2018/06/02 07:30 | Paolo Dagnino v Mattias Siimar | 3-6,6-3,4-6 |
| ITF Finland F3 | 2017/08/15 10:10 | Patrik Niklas-Salminen v Mattias Siimar | 6-4,7-6 |
| ITF Finland F1 | 2017/08/03 11:40 | Mattias Siimar v Luca Gelhardt | 6-4,1-6,6-7 |
| ITF Spain F16 | 2018/06/26 17:35 | Matvey Minin v Sebastien Boltz | 6-7,6-2,1-6 |
| ITF Spain F16 Qual | 2018/06/24 07:30 | Matvey Minin v Jaime Castillo Lopez | 7-6,6-1 |
| ITF Spain F16 Qual | 2018/06/23 07:00 | Matvey Minin v Alejandro M Moreno | 6-0,6-2 |
| ITF Portugal F9 | 2018/06/20 09:00 | Tiago Cacao v Matvey Minin | 2-6,6-0,6-2 |
| ITF Portugal F9 | 2018/06/18 09:00 | Matvey Minin v Francesco Bessire | 6-2,6-3 |
| ITF Spain F15 | 2018/06/14 17:00 | Pablo Vivero Gonzalez v Matvey Minin | 6-2,5-7,6-1 |
| ITF Spain F15 | 2018/06/12 15:00 | Andres F Canovas v Matvey Minin | 3-6,6-7 |
| ITF Spain F14 Qual | 2018/06/03 08:30 | Fernando Bogajo v Matvey Minin | 6-3,6-4 |