Round: 25 Ground: Hardcourt indoor
| ITF Russia F2 | 2017/06/29 09:50 | Denis Klok v Richard Muzaev | 2-6,2-6 |
| ITF Russia F2 | 2017/06/28 08:00 | Mikalai Haliak v Denis Klok | 2-6,4-6 |
| ITF Russia F1 Qual | 2017/06/18 07:00 | Denis Klok v Nikolay Vylegzhanin | 6-4,4-6,3-6 |
| ITF Hungary F3 | 2017/05/23 09:25 | Denis Klok v Milos Nikolic | 2-6,2-6 |
| ITF Hungary F2 | 2017/05/16 14:00 | Zsombor Piros v Denis Klok | 6-2,6-4 |
| ITF Hungary F2 | 2017/05/14 09:00 | Denis Klok v David Damian Brna | 6-3,7-5 |
| ITF Kazakhstan F5 | 2017/04/25 05:45 | Alexander Zhurbin v Denis Klok | 6-4,6-2 |
| ITF Kazakhstan F5 Qual | 2017/04/24 04:00 | Pavel Kotov v Denis Klok | 6-7,2-6 |
| ITF Lithuania F1 | 2017/07/19 12:20 | Kristjan Tamm v Soren Hess-Olesen | 0-6,1-6 |
| ITF Lithuania F1 | 2017/07/18 09:00 | Kristjan Tamm v Mikus Losbergs | 3-6,6-2,6-1 |
| ITF Poland F4 Qual | 2017/07/03 08:00 | Oleg Prihodko v Kristjan Tamm | 6-2,7-5 |
| ITF Poland F4 Qual | 2017/07/02 08:00 | Jan Galka v Kristjan Tamm | 4-6,3-6 |
| ITF Poland F4 Qual | 2017/07/01 09:00 | Adam Bronka v Kristjan Tamm | 0-6,3-6 |
| ITF Romania F4 | 2017/06/19 10:00 | Kristjan Tamm v Bogdan Ionut Apostol | 4-6,2-6 |
| ITF Romania F3 | 2017/06/10 07:00 | Kristjan Tamm v Alejo Vilaro | 3-6,3-6 |
| ITF Czech Republic F3 Qual | 2017/05/29 10:20 | Kristjan Tamm v Tomas Liska | 4-6,3-6 |