Stadium: Campo 12 Round: 45 Ground: Clay
| Challenger Portoroz Qual | 2018/08/05 13:00 | Christopher Heyman v Nikola Cacic | 6-1,5-7,6-4 |
| Challenger Portoroz Qual | 2018/08/04 08:00 | Ljubomir Celebic v Nikola Cacic | 5-7,1-6 |
| Challenger San Benedetto Qual | 2018/07/15 08:00 | Gregoire Jacq v Nikola Cacic | 6-2,7-6 |
| Challenger San Benedetto Qual | 2018/07/14 09:15 | Nikola Cacic v Andrea Guerrieri | 6-3,6-2 |
| Challenger Perugia Qual | 2018/07/09 10:35 | Agustin Velotti v Nikola Cacic | 6-1,6-3 |
| Challenger Perugia Qual | 2018/07/08 12:10 | Nikola Cacic v Davide Natazzi | 6-3,6-3 |
| Challenger Recanati Qual | 2018/06/30 17:25 | Zhizhen Zhang v Nikola Cacic | 6-7,6-3,6-4 |
| Challenger Almaty Qual | 2018/06/09 05:35 | Nikola Cacic v Renta Tokuda | 6-7,4-6 |
| ITF Slovakia F1 | 2018/07/26 10:45 | Artem Dubrivnyy v Martin Fekiac | 2-6,4-6 |
| ITF Georgia F2 | 2018/07/22 11:30 | Artem Dubrivnyy v Shahin Khaledan | 6-2,2-6,6-2 |
| ITF Georgia F2 | 2018/07/21 13:20 | Oleg Prihodko v Artem Dubrivnyy | 6-7,4-6 |
| ITF Georgia F2 | 2018/07/20 06:00 | Vasile-Alexandru Ghilea v Artem Dubrivnyy | 0-6,4-6 |
| ITF Georgia F2 | 2018/07/19 06:00 | Nicolas Alberto Arreche v Artem Dubrivnyy | 6-7,4-6 |
| Challenger Poprad Tatry Qual | 2018/06/16 13:25 | Artem Dubrivnyy v Artem Smirnov | 6-1,3-6,0-6 |
| Challenger Poprad Tatry Qual | 2018/06/16 07:30 | Artem Dubrivnyy v Petr Michnev | 6-4,6-2 |
| ITF Kazakhstan F4 | 2018/04/19 08:10 | Artem Dubrivnyy v Pavel Kotov | 6-4,3-6,3-6 |