Stadium: Court 3 Round: 45 Ground: Clay
| Challenger Meerbusch Qual | 2018/08/11 08:00 | Ronald Slobodchikov v Evgeny Tyurnev | 6-1,2-6,2-6 |
| ITF Latvia F1 | 2018/08/04 08:00 | Ronald Slobodchikov v Denis Klok | 6-2,6-0 |
| ITF Latvia F1 | 2018/08/02 10:40 | Ronald Slobodchikov v Roberts Grinvalds | 3-6,6-4,6-3 |
| ITF Latvia F1 | 2018/08/01 11:50 | Ronald Slobodchikov v Nino Portales | 6-2,6-0 |
| ITF Lithuania F1 | 2018/07/25 08:00 | Bart Stevens v Ronald Slobodchikov | 6-4,7-5 |
| ITF Lithuania F1 | 2018/07/24 12:30 | Aleksas Tverijonas v Ronald Slobodchikov | 3-6,5-7 |
| ITF Georgia F2 | 2018/07/20 06:00 | Ronald Slobodchikov v Oleg Prihodko | 2-6,7-5,3-6 |
| ITF Georgia F2 | 2018/07/19 06:00 | Ronald Slobodchikov v Nikita Mashtakov | 7-5,4-6,6-0 |
| Challenger Mallorca | 2018/08/26 10:00 | Tim Van Rijthoven v Nikola Cacic | 7-5,6-4 |
| Challenger Cordenons | 2018/08/11 12:05 | Nikola Cacic v Artem Dubrivnyy | 4-6,6-3,5-7 |
| 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 |