Round: 25 Ground: Clay
| ITF Estonia F3 | 2016/11/01 12:05 | Alexander Vasilenko v Mattias Siimar | 6-1,6-3 |
| ITF Estonia F2 | 2015/10/29 12:00 | Alexander Vasilenko v Mattias Siimar | 3-6,5-7 |
| Challenger Tampere | 2017/07/24 11:00 | Alexander Vasilenko v Kamil Majchrzak | 5-7,1-6 |
| Challenger Tampere - Qual. | 2017/07/23 08:00 | Markus Eriksson v Alexander Vasilenko | 5-7,4-6 |
| ITF Germania F5 | 2017/07/02 10:00 | Antoine Hoang v Alexander Vasilenko | 3-6,3-6 |
| ITF Germania F5 | 2017/07/01 11:30 | Nicola Kuhn v Alexander Vasilenko | 3-6,7-5,4-6 |
| ITF Germania F5 | 2017/06/30 11:00 | George Von Massow v Alexander Vasilenko | 4-6,4-6 |
| ITF Germania F5 | 2017/06/29 11:40 | Jordi Walder v Alexander Vasilenko | 0-6,2-6 |
| ITF Germania F5 | 2017/06/27 13:25 | Alexander Vasilenko v Vladimir Ivanov | 6-3,4-6,6-3 |
| ITF Germania F4 | 2017/06/24 15:25 | Bernabe Zapata Miralles v Alexander Vasilenko | 7-6,6-0 |
| ITF Estonia F1 | 2017/07/25 13:50 | Mattias Siimar v Arturs Lazdins | 1-6,2-6 |
| ITF Polonia F4 | 2017/07/06 10:45 | Mattias Siimar v Samuel Bensoussan | 4-6,2-6 |
| ITF Polonia F4 | 2017/07/05 10:40 | Mattias Siimar v Oleg Prihodko | 6-1,4-6,6-0 |
| ITF Polonia F4 - Qual | 2017/07/03 08:00 | Mattias Siimar v Piotr Grynkowski | 6-2,6-2 |
| ITF Polonia F4 - Qual | 2017/07/02 13:00 | Mattias Siimar v Kristofer Siimar | 6-3,7-5 |
| ITF Polonia F4 - Qual | 2017/07/01 13:00 | Mattias Siimar v Alessandro Ingarao | 6-1,6-3 |
| ITF Polonia F3 | 2017/06/28 09:00 | Mattias Siimar v Markus Eriksson | 2-6,1-6 |
| ITF Polonia F3 | 2017/06/27 14:10 | Mattias Siimar v Kris Krawcewicz | 6-3,6-2 |