Round: 25 Ground: Hardcourt indoor
| ITF Turkey F46 Qual | 2017/12/04 07:15 | Krainer, L. v Codescu, Razvan Marius | 5-7,7-6,6-4 |
| ITF Turkey F46 Qual | 2017/12/03 07:15 | Oleg Prihodko v Krainer, L. | 6-4,6-7,2-6 |
| ITF Turkey F45 Qual | 2017/11/26 09:00 | Tatomir, Luca Georg v Krainer, L. | 7-6,6-3 |
| ITF Turkey F45 Qual | 2017/11/25 06:30 | Krainer, L. v Ozcelik, Bulut | 6-0,6-1 |
| ITF Tunisia F34 | 2017/11/08 10:40 | Krainer, L. v Musialek, Alexis | 4-6,4-6 |
| ITF Tunisia F34 | 2017/11/05 08:30 | Krainer, L. v Leonardo Taddia | 6-0,6-1 |
| ITF Tunisia F34 | 2017/11/04 08:30 | Dorozhkin, Sergey v Krainer, L. | 1-6,3-6 |
| ITF Croatia F3 | 2017/03/19 08:30 | Naoki Nakagawa v Krainer, L. | 6-4,6-2 |
| Finlande F4, Qualifications Simples | 2017/11/11 11:00 | Tuukkanen, Aleksi v Martins Rocens | 6-0,3-6,6-3 |
| ITF Estonia F4 | 2017/11/05 09:00 | Khomentovskiy, Matvey v Martins Rocens | 6-4,6-1 |
| ITF Estonia F3 | 2017/10/28 07:00 | Brydolf, Patrik v Martins Rocens | 6-3,6-2 |
| ITF Estonia F2 | 2017/10/21 11:00 | Heliovaara, Harri v Martins Rocens | 6-3,6-2 |
| ITF Poland F11 | 2017/08/28 10:00 | Kacper Zuk v Martins Rocens | 7-6,6-3 |
| ITF Latvia F1 | 2017/07/31 07:00 | Martins Rocens v Grinvalds, Roberts | 3-6,6-7 |
| ITF Poland F7 Qual | 2017/07/23 09:30 | Vrzesinski, Robertas v Martins Rocens | 7-6,4-6,4-6 |
| ITF Poland F7 Qual | 2017/07/22 08:00 | Martins Rocens v Kossek, Daniel | 6-1,6-2 |