Stadium: Court 2 Round: 54 Ground: Clay
| ITF - M15 Brcko | 2019/05/24 09:00 | Dubrivnyy, Artem v Celebic, Ljubomir | 6-1,6-2 |
| ITF - M15 Brcko | 2019/05/23 10:10 | Celebic, Ljubomir v Podzus, Martins | 6-4,6-4 |
| ITF - M15 Brcko | 2019/05/22 11:35 | Celebic, Ljubomir v Gorazd Srbljak | 1-6,7-6,6-0 |
| ITF - M15 Brcko | 2019/05/21 08:00 | Celebic, Ljubomir v Daniil Glinka | 6-1,6-2 |
| ITF M25 Doboj | 2019/05/16 11:45 | Celebic, Ljubomir v Dubrivnyy, Artem | 4-6,2-6 |
| ITF M25 Doboj | 2019/05/15 12:55 | Micov, Stefan v Celebic, Ljubomir | 3-6,4-6 |
| ITF M25 Doboj | 2019/05/14 10:30 | Celebic, Ljubomir v Rajic, Dusan | 6-2,6-2 |
| Prijedor, Singles M-ITF-BIH-04A | 2019/05/10 08:00 | Christopher O'Connell v Celebic, Ljubomir | 6-3,6-3 |
| ITF - M25 Kiseljak | 2019/05/27 09:30 | Zimbrek-Turkovic, Gaspar v Stepanic, Patrik | 0-6,7-6,5-10 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/29 12:30 | Franco Agamenone v Stepanic, Patrik | 6-3,2-6,10-5 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/29 08:00 | Stepanic, Patrik v Bothwell, Samuel | 4-6,6-2,10-5 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/22 08:00 | Benjamin Winter Lopez v Stepanic, Patrik | 7-5,6-7,11-9 |
| ITF - M15 Opatija | 2019/03/27 08:30 | Stepanic, Patrik v Urbanija, Mike | 4-6,7-5,2-6 |
| ITF Croatia F2 | 2018/03/10 10:00 | Stepanic, Patrik v Choudhary, Ahmed | 2-6,6-7 |