Stadium: Court 7 Round: 54 Ground: Clay
| ITF M25 Prijedor | 2019/05/08 13:10 | Mike Urbanija v Ljubomir Celebic | 1-6,4-6 |
| ITF M15 Opatija | 2019/03/28 10:40 | Nerman Fatic v Ljubomir Celebic | 6-2,6-1 |
| ITF M15 Opatija | 2019/03/27 11:30 | Ljubomir Celebic v Robin Stanek | 6-2,6-1 |
| ITF M15 Opatija | 2019/03/26 09:05 | Ljubomir Celebic v Tim Heger | 6-3,6-4 |
| 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 Serbia F5 | 2018/09/05 13:10 | Marcell Bartakovics v Lazar Vojinovic | 6-4,6-4 |
| ITF Netherlands F1 Qual | 2018/06/24 09:00 | Tim Van Der Horst v Lazar Vojinovic | 7-5,2-6,6-2 |
| ITF Hungary F3 Qual | 2018/05/20 08:00 | Lazar Vojinovic v Matej Maruscak | 3-6,3-6 |
| ITF Bosnia and Herzegovina F1 | 2018/05/17 09:40 | Lazar Vojinovic v Juan Pablo Paz | 1-6,1-6 |
| ITF Bosnia and Herzegovina F1 | 2018/05/15 08:00 | Lazar Vojinovic v Darko Jandric | 6-4,6-4 |
| ITF Turkey F17 | 2018/04/30 07:30 | Cristian Florentin Voinea v Lazar Vojinovic | 6-3,7-6 |
| ITF Turkey F17 | 2018/04/29 07:30 | Lazar Vojinovic v Pietro Pirolt | 7-5,6-2 |
| ITF Turkey F16 | 2018/04/22 09:30 | Lazar Vojinovic v Bastien Kolly | 6-7,6-7 |