Stadium: Centrale Round: 166 Ground: Hardcourt outdoor
| Challenger Champaign | 2018/11/12 16:00 | Mikael Torpegaard v Nikola Cacic | 7-5,7-5 |
| Challenger Champaign | 2018/11/11 17:30 | Aleksandar Kovacevic v Nikola Cacic | 5-7,2-6 |
| Challenger Barcelona | 2018/10/07 14:50 | Nikola Cacic v Jordi Samper-Montana | 1-6,1-6 |
| Challenger Banja Luka | 2018/09/08 10:00 | Marko Tepavac v Nikola Cacic | 6-2,7-5 |
| Challenger Seville | 2018/09/01 09:30 | Ronald Slobodchikov v Nikola Cacic | 6-2,7-6 |
| 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 |
| ITF M15 Tabarka | 2019/03/14 08:30 | Arthur Rinderknech v Sergio Martos Gornes | 4-6,6-2,6-4 |
| ITF M15 Tabarka | 2019/03/13 10:10 | Sergio Martos Gornes v Alessandro Ingarao | 7-6,6-2 |
| ITF M15 Tabarka | 2019/03/11 14:00 | Stefano Battaglino v Sergio Martos Gornes | 5-7,2-6 |
| ITF M15 Tabarka | 2019/03/11 08:00 | Zakhar Trapeznikov v Sergio Martos Gornes | 6-7,3-6 |
| ITF M15 Tabarka | 2019/03/04 13:30 | Sergio Martos Gornes v Alex M Pujolras | 3-6,7-5,8-10 |
| ITF M15 Tabarka | 2019/03/04 08:00 | Sergio Martos Gornes v Riccardo Di Nocera | 6-2,6-1 |
| ITF M15 Palmanova | 2019/01/29 08:30 | Sergio Martos Gornes v Benjamin Winter Lopez | 6-3,4-6,3-10 |
| ITF M15 Palmanova | 2019/01/28 11:10 | Sergio Martos Gornes v Vasisht Cheruku | 4-6,7-6,10-7 |