Round: 25 Ground: Clay
| ITF Indonesia F8 Qual | 2017/11/25 06:00 | Kento Tagashira v Ilsang Yoon | 6-7,6-3,6-7 |
| ITF Indonesia F7 Qual | 2017/11/18 05:00 | Kento Tagashira v William Ma | 6-7,3-6 |
| ITF Morocco F6 | 2017/11/12 10:00 | Andrea Bessire v Kento Tagashira | 6-0,6-1 |
| ITF Nigeria F5 Qual | 2017/10/14 13:25 | Lakshit Sood v Kento Tagashira | 7-6,6-3 |
| ITF Nigeria F4 | 2017/10/10 08:30 | Leny Mitjana v Kento Tagashira | 6-0,6-1 |
| ITF Nigeria F4 Qual | 2017/10/08 12:35 | Pascal Ziyab Alome v Kento Tagashira | 4-6,5-7 |
| Challenger Banja Luka | 2017/09/11 10:35 | Alexandre Muller v Kento Tagashira | 6-0,6-2 |
| ITF India F7 | 2017/09/02 11:30 | Jagmeet Singh v Kento Tagashira | 4-6,5-7 |
| ITF Turkey F47 Qual | 2017/12/11 07:15 | Vladimir Korolev v Daniel Cozma | 6-0,6-3 |
| ITF Turkey F47 Qual | 2017/12/10 07:15 | Vladimir Korolev v Carlo Alberto Fossati | 6-3,6-3 |
| ITF Russia F7 | 2017/08/15 10:20 | Vladimir Korolev v Mikhail Elgin | 6-4,1-6,2-6 |
| ITF Russia F7 Qual | 2017/08/14 08:00 | Vladimir Korolev v Savriyan Danilov | 6-7,6-4,6-2 |
| ITF Russia F7 Qual | 2017/08/13 07:00 | Vladimir Korolev v Bekkhan Atlangeriev | 6-3,6-2 |
| ITF Russia F6 | 2017/08/08 11:40 | Mikhail Elgin v Vladimir Korolev | 6-2,6-0 |
| ITF Russia F6 Qual | 2017/08/07 07:00 | Vladimir Korolev v Nikita Valentsev | 6-3,6-4 |
| ITF Russia F5 | 2017/08/03 09:25 | Vladimir Korolev v Dmitry Mnushkin | 6-3,3-6,3-6 |