Round: 44 Ground: Clay
| ITF Kazakhstan F4 Qual | 2018/04/16 05:25 | Bondarevskiy, Yan v Yatsik, Yahor | 6-0,6-2 |
| ITF Kazakhstan F4 Qual | 2018/04/15 07:40 | Fukuoka, Yusei v Yatsik, Yahor | 3-6,3-6 |
| ITF Kazakhstan F3 Qual | 2018/04/09 04:00 | Klimov, Daniil v Yatsik, Yahor | 6-3,6-4 |
| ITF Kazakhstan F3 Qual | 2018/04/08 14:15 | Makhmudov, Damir v Yatsik, Yahor | 1-6,0-6 |
| ITF Spain F2 | 2018/01/20 11:00 | Yatsik, Yahor v Andrey Chepelev | 2-6,1-6 |
| ITF Spain F1 | 2018/01/15 09:00 | Jonas Trinker v Yatsik, Yahor | 6-4,3-6,3-6 |
| ITF Spain F1 | 2018/01/14 09:00 | Vicente Martinez, Carlos v Yatsik, Yahor | 5-7,2-6 |
| ITF Spain F1 | 2018/01/13 09:00 | Muniz Hidalgo, Antonio v Yatsik, Yahor | 6-4,1-6,2-6 |
| ITF Kazakhstan F5 Qual | 2018/04/21 07:25 | Bruandet, Loick v Gurevich, Victor | 6-2,6-0 |
| ITF Kazakhstan F4 Qual | 2018/04/15 07:55 | Khomentovskiy, Matvey v Bruandet, Loick | 6-2,6-2 |
| ITF Kazakhstan F4 Qual | 2018/04/14 06:30 | Bruandet, Loick v Maltsev Alexander, Alexander | 6-1,6-1 |
| Tunisia F10, Singles Qualifying | 2018/03/12 08:30 | Nikolas Sanchez Izquierdo v Bruandet, Loick | 6-2,6-0 |
| Tunisia F10, Singles Qualifying | 2018/03/11 08:30 | Bruandet, Loick v Irigaray Guarne, Pablo | 6-4,7-5 |
| Tunisia F10, Singles Qualifying | 2018/03/10 10:30 | Bruandet, Loick v Dusan Obradovic | 6-2,6-2 |
| ITF Greece F2 | 2018/03/03 07:30 | Bruandet, Loick v Brymer, Gage | 2-6,2-6 |
| ITF Greece F1 | 2018/02/25 08:00 | Vucic, Ilija v Bruandet, Loick | 3-6,6-0,6-4 |