Round: 62 Ground: Clay
| Coupe Davis | 2017/04/09 11:10 | Siimar, Kristofer v Oger, Thomas | 4-6,4-6 |
| ITF Estonia F3 | 2016/11/01 13:25 | Siimar, Kristofer v Ivanov, Vladimir | 0-6,4-6 |
| ITF Estonia F2 | 2016/10/24 15:00 | Zhyrmont, Dzmitry v Siimar, Kristofer | 6-0,6-0 |
| ITF Estonia F1 | 2015/11/09 08:00 | Kozyukov, Vitaly v Siimar, Kristofer | 6-2,6-3 |
| ITF Estonia F3 | 2015/11/03 15:00 | Kenneth Raisma v Siimar, Kristofer | 6-2,6-0 |
| ITF Lithuania F1 | 2015/07/21 10:25 | Fortuna, Claudio v Siimar, Kristofer | 7-5,6-0 |
| ITF Estonia F2 | 2014/07/19 07:00 | Siimar, Kristofer v Saplin, Kirill | 5-7,1-6 |
| ITF Estonia F1 | 2014/07/13 07:00 | Tverijonas, Julius v Siimar, Kristofer | 4-6,6-4,6-2 |
| ITF Poland F1 | 2017/06/10 08:00 | Frost, Linus v Drzewiecki, Karol | 6-1,6-0 |
| ITF Sweden F2 | 2017/05/16 09:35 | Gil, Fred v Frost, Linus | 6-4,6-4 |
| ITF Sweden F2 Qual | 2017/05/14 10:45 | Frost, Linus v Morck, Felix | 6-0,7-5 |
| ITF Kazakhstan F5 | 2017/04/25 06:05 | Frost, Linus v Dubrivnyy, Artem | 4-6,6-3,4-6 |
| ITF Kazakhstan F5 Qual | 2017/04/24 05:50 | Dzhanashia, Shalva v Frost, Linus | 5-7,6-3,3-6 |
| ITF Kazakhstan F5 Qual | 2017/04/23 07:35 | Frost, Linus v Jae Hwan Kim | 6-2,6-2 |
| ITF Kazakhstan F5 Qual | 2017/04/22 06:50 | Kalinin, Ivan v Frost, Linus | 1-6,1-6 |
| ITF Kazakhstan F4 Qual | 2017/04/17 07:00 | Mnushkin, Dmitry v Frost, Linus | 6-2,7-6 |