Stadium: Ringi 2 Round: 25 Ground: Hardcourt indoor
| ITF Finland F3 | 2017/08/14 10:00 | Roberto Marcora v Kristofer Siimar | 6-1,6-4 |
| ITF Finland F1 | 2017/08/01 09:40 | Axel Michon v Kristofer Siimar | 5-7,7-6,6-0 |
| ITF Estonia F1 | 2017/07/25 09:25 | Marc Dijkhuizen v Kristofer Siimar | 6-1,7-5 |
| ITF Poland F4 Qual | 2017/07/02 13:00 | Mattias Siimar v Kristofer Siimar | 6-3,7-5 |
| ITF Poland F3 Qual | 2017/06/25 08:00 | Lev Kazakov v Kristofer Siimar | 7-5,6-3 |
| ITF Poland F1 | 2017/06/11 08:00 | Kristofer Siimar v Linus Frost | 1-6,6-3,0-6 |
| Davis Cup | 2017/04/09 11:10 | Kristofer Siimar v Thomas Oger | 4-6,4-6 |
| ITF Estonia F3 | 2016/11/01 13:25 | Kristofer Siimar v Vladimir Ivanov | 0-6,4-6 |
| ITF Brazil F4 | 2017/11/29 12:00 | Igor Gimenez v Christian Lindell | 3-6,4-6 |
| ITF Brazil F4 | 2017/11/28 16:30 | Fernando Romboli v Igor Gimenez | 3-6,4-6 |
| ITF Brazil F4 | 2017/11/27 11:00 | Igor Gimenez v Yahor Yatsyk | 6-2,2-6,6-4 |
| ITF Brazil F4 | 2017/11/26 13:00 | Gabriel Ciro Da Silva v Igor Gimenez | 4-6,6-3,3-6 |
| ITF Brazil F4 | 2017/11/25 15:00 | Igor Gimenez v Victor Bertoldo | 6-2,6-1 |
| ITF Brazil F3 | 2017/11/22 20:45 | Igor Gimenez v Petr Arkhipov | 6-1,4-6,5-7 |
| ITF Brazil F3 | 2017/11/20 20:45 | Fabio Costa v Igor Gimenez | 3-6,7-6,4-6 |
| ITF Brazil F3 | 2017/11/19 13:30 | Joao M Nusdeo v Igor Gimenez | 4-6,0-6 |