Stadium: Court 1 Round: 45 Ground: Clay
| ITF M15 Opatija | 2019/03/25 10:05 | Ljubomir Celebic v Pavle Daljev | 6-3,6-4 |
| ITF M15 Rovinj | 2019/03/19 10:30 | Gabor Borsos v Ljubomir Celebic | 1-6,6-4,10-5 |
| ITF M15 Rovinj | 2019/03/18 09:00 | Luka Mrsic v Ljubomir Celebic | 4-6,1-6 |
| ITF M15 Porec | 2019/03/14 11:35 | Ljubomir Celebic v Andrea Basso | 6-3,3-6,3-6 |
| ITF M15 Porec | 2019/03/13 09:00 | Mate Valkusz v Ljubomir Celebic | 5-7,1-6 |
| ITF M15 Porec | 2019/03/12 09:00 | Franjo Raspudic v Ljubomir Celebic | 2-6,1-6 |
| ITF M15 Porec | 2019/03/11 09:00 | Darko Jandric v Ljubomir Celebic | 1-6,1-6 |
| Challenger Portoroz Qual | 2018/08/04 08:00 | Ljubomir Celebic v Nikola Cacic | 5-7,1-6 |
| ITF M15 Opatija | 2019/03/25 08:30 | Tim Heger v Alen Rogic-Hadzalic | 6-2,6-4 |
| ITF M15 Rovinj | 2019/03/19 10:30 | Alessandro Ceppellini v Tim Heger | 2-6,6-1,10-6 |
| ITF M15 Rovinj | 2019/03/18 09:00 | Tim Heger v Ivan Sabanov | 1-6,6-1,13-11 |
| ITF M15 Porec | 2019/03/11 09:00 | Alessandro Ceppellini v Tim Heger | 6-7,7-5,10-5 |
| ITF M15 Kaarst | 2019/02/04 20:45 | Tim Heger v Kai Lemstra | 6-4,3-6,9-11 |
| ITF M15 Kaarst | 2019/02/04 08:30 | Tim Heger v Philipp Klimov | 6-2,6-4 |
| ITF M25 Nussloch | 2019/01/22 11:00 | Tobias Simon v Tim Heger | 6-3,6-4 |
| ITF Czech Republic F12 | 2018/11/26 09:00 | Tim Heger v Albert Sprlak Puk | 3-6,4-6 |