Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| Challenger Shenzhen | 2018/03/15 02:00 | Malek Jaziri v Nikola Milojevic | 7-5,1-6,7-5 |
| ITF Kazakhstan F2 | 2018/02/24 05:00 | Nikola Milojevic v Sanjar Fayziev | 6-2,5-7,7-6 |
| ITF Kazakhstan F2 | 2018/02/23 07:05 | Nikola Milojevic v Vladyslav Manafov | 6-3,6-3 |
| ITF Kazakhstan F2 | 2018/02/22 04:00 | Nikola Milojevic v Alexander Igoshin | 6-4,6-1 |
| ITF Kazakhstan F2 | 2018/02/21 07:35 | Nikola Milojevic v Lukas Ollert | 6-7,6-3,6-4 |
| ITF Kazakhstan F2 | 2018/02/20 06:05 | Nikola Milojevic v Timur Kiyamov | 6-1,6-3 |
| Challenger Budapest | 2018/02/10 18:00 | Nikola Milojevic v Vasek Pospisil | 5-7,6-4,4-6 |
| Challenger Budapest | 2018/02/09 14:00 | Nikola Milojevic v Elias Ymer | 7-6,6-3 |
| Challenger Yokohama | 2018/02/27 01:00 | Konstantin Kravchuk v Hiroki Moriya | 0-6,2-6 |
| Challenger Kyoto | 2018/02/22 01:30 | Konstantin Kravchuk v Jordan Thompson | 3-6,1-6 |
| Challenger Kyoto | 2018/02/20 05:00 | Konstantin Kravchuk v Shintaro Imai | 6-4,7-5 |
| Challenger Budapest Qual | 2018/02/03 16:45 | Konstantin Kravchuk v Tom Farquharson | 3-6,6-7 |
| Challenger Quimper Qual | 2018/01/28 09:00 | Konstantin Kravchuk v Ugo Humbert | 6-7,3-6 |
| Challenger Rennes Qual | 2018/01/21 09:00 | Konstantin Kravchuk v Quentin Gueydan | 4-6,3-6 |
| Challenger Rennes Qual | 2018/01/20 09:00 | Tobias Kamke v Konstantin Kravchuk | 4-6,5-7 |
| Challenger Eckental | 2017/10/31 12:20 | Konstantin Kravchuk v Yann Marti | 4-6,3-6 |