| Davis Kupa | 2018/04/05 08:00 | Alexander Lazov v Egill Sigurdsson | 6-1,6-1 |
| ITF Turkey F12 | 2018/03/29 11:00 | Genaro Alberto Olivieri v Alexander Lazov | 6-2,4-6,6-2 |
| ITF Turkey F12 | 2018/03/27 08:50 | Lars Hoischen v Alexander Lazov | 1-6,0-6 |
| ITF Turkey F11 | 2018/03/23 09:55 | Ivan Nedelko v Alexander Lazov | 7-5,4-6,6-4 |
| ITF Turkey F11 | 2018/03/22 09:10 | Mikhail Korovin v Alexander Lazov | 6-1,4-6,2-6 |
| ITF Turkey F11 | 2018/03/20 07:30 | Timur Khabibulin v Alexander Lazov | 6-7,2-6 |
| ITF Turkey F10 | 2018/03/14 10:05 | Alexander Lazov v Luis Patino | 6-3,5-7,3-6 |
| ITF Turkey F7 | 2018/02/21 13:35 | Scott Griekspoor v Alexander Lazov | 6-4,7-6 |
| Davis Kupa | 2018/04/05 08:00 | Gorazd Srbljak v Arber Sulstarova | 6-0,6-0 |
| Davis Kupa | 2018/04/04 08:00 | Gorazd Srbljak v Egill Sigurdsson | 6-0,6-2 |
| ITF Croatia F2 | 2018/03/12 12:00 | Nikolas Walterscheid-Tukic v Gorazd Srbljak | 7-5,6-2 |
| ITF Croatia F1 | 2018/03/04 16:00 | Alexandar Lazarov v Gorazd Srbljak | 6-7,6-3,6-1 |
| ITF Croatia F1 | 2018/03/04 09:00 | Gorazd Srbljak v Mateo Bubalo | 7-5,6-3 |
| ITF Turkey F6 | 2018/02/11 07:00 | Gorazd Srbljak v Jacopo Berrettini | 2-6,2-6 |
| ITF Turkey F6 | 2018/02/11 06:00 | Linus Frost v Gorazd Srbljak | 4-6,3-6 |
| ITF Turkey F5 | 2018/02/06 10:15 | Gorazd Srbljak v Nino Serdarusic | 0-6,1-6 |