Round: 45 Ground: Clay
| ITF - M15 Porec | 2019/03/13 09:00 | Mrsic, Luka v Basso, Andrea | 6-3,1-6,4-6 |
| ITF - M15 Porec | 2019/03/12 09:00 | Urbanija, Mike v Mrsic, Luka | 4-6,6-1,9-11 |
| ITF - M15 Porec | 2019/03/11 11:00 | Mrsic, Luka v Gorazd Srbljak | 6-4,6-3 |
| ITF - M15 Porec | 2019/03/14 11:35 | Celebic, Ljubomir v Basso, Andrea | 6-3,3-6,3-6 |
| ITF - M15 Porec | 2019/03/13 09:00 | Mate Valkusz v Celebic, Ljubomir | 5-7,1-6 |
| ITF - M15 Porec | 2019/03/12 09:00 | Raspudic, Franjo v Celebic, Ljubomir | 2-6,1-6 |
| ITF - M15 Porec | 2019/03/11 09:00 | Jandric, Darko v Celebic, Ljubomir | 1-6,1-6 |
| Challenger Portoroz Qual | 2018/08/04 08:00 | Celebic, Ljubomir v Cacic, Nikola | 5-7,1-6 |
| Challenger - Prague | 2018/07/21 14:05 | Vit Kopriva v Celebic, Ljubomir | 6-1,6-4 |
| ITF Hungary F4 | 2018/06/12 08:00 | Celebic, Ljubomir v Oscar Jose Gutierrez | 2-6,6-4,3-6 |
| ITF Bosnia and Herzegovina F2 | 2018/05/24 08:00 | Kocevar-Desman, Tom v Celebic, Ljubomir | 7-5,6-2 |