Stadium: Court 1 Round: 44 Ground: Clay
| ITF Estonia F4 | 2017/11/07 10:25 | Kristjan Tamm v Simen Sunde Bratholm | 7-6,6-3 |
| ITF Estonia F3 | 2017/11/02 10:45 | Kristjan Tamm v Evgeny Karlovskiy | 1-6,3-6 |
| ITF Estonia F2 | 2017/10/24 11:45 | Kristjan Tamm v Daniel Appelgren | 3-6,1-6 |
| ITF Sweden F4 Qual | 2017/09/30 10:45 | Mathias Gavelin v Kristjan Tamm | 6-4,6-2 |
| ITF Sweden F3 | 2017/09/24 08:00 | Kristjan Tamm v Arvid Nordquist | 6-3,6-7,3-6 |
| ITF Sweden F3 | 2017/09/23 08:00 | Kristjan Tamm v Johan Claesson | 6-2,6-3 |
| ITF Finland F2 | 2017/08/08 14:20 | Jonathan Mridha v Kristjan Tamm | 7-6,6-0 |
| ITF Latvia F1 | 2017/07/30 09:00 | Kristjan Tamm v Tim Van Der Horst | 6-0,2-6,3-6 |
| ITF Turkey F1 | 2018/01/06 08:00 | Ran Amar v Cristian Florentin Voinea | 7-6,7-6 |
| ITF Turkey F48 Qual | 2017/12/16 07:15 | Cristian Florentin Voinea v Dino Bonetta | 6-3,7-6 |
| ITF Turkey F44 | 2017/11/18 06:45 | Yaron Guberman v Cristian Florentin Voinea | 6-4,6-4 |
| ITF Tunisia F33 | 2017/10/29 09:00 | Matteo De Vincentis v Cristian Florentin Voinea | 6-3,5-7,6-2 |
| ITF Tunisia F33 | 2017/10/28 09:00 | Vincent Villa v Cristian Florentin Voinea | 2-6,2-6 |
| ITF Turkey F36 | 2017/09/25 07:30 | Maxime Pauwels v Cristian Florentin Voinea | 6-3,6-2 |
| ITF Turkey F36 | 2017/09/24 07:30 | Marvin Greven v Cristian Florentin Voinea | 2-6,6-7 |
| ITF Romania F5 | 2017/06/26 10:00 | Cristian Florentin Voinea v Vasile-Alexandru Ghilea | 3-6,3-6 |