Estadio: Court 4 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Tel Aviv | 2019/03/27 08:00 | Karlo Cubelic v Christoffer Solberg | 3-6,6-4,4-6 |
| ITF M15 Tel Aviv | 2019/03/26 11:30 | Karlo Cubelic v Nir Vodavoz | 6-4,6-2 |
| ITF M15 Tel Aviv | 2019/03/26 07:30 | Karlo Cubelic v Ofek Amoyal | 6-3,6-3 |
| ITF M15 Manama | 2019/03/19 10:10 | Karlo Cubelic v Jeson Patrombon | 4-6,2-6 |
| ITF M15 Manama | 2019/03/18 15:20 | Karlo Cubelic v Mihnea L.S. Turcu | 6-0,6-3 |
| ITF M15 Manama | 2019/03/18 09:00 | Karlo Cubelic v Kareem Abdulnabi | 6-3,6-0 |
| ITF M15 Doha | 2019/03/11 08:00 | Sidane Pontjodikromo v Karlo Cubelic | 3-6,6-0,10-8 |
| ITF M15 Kaarst | 2019/02/07 14:55 | Kai Wehnelt v Karlo Cubelic | 7-6,7-6 |
| ITF M15 Sharm El Sheikh | 2019/04/08 09:00 | Artem Zharkov v Lucas Hellfritsch | 1-6,1-6 |
| ITF M15 Sharm El Sheikh | 2019/04/03 10:25 | Lucas Hellfritsch v Christian Seraphim | 6-7,1-6 |
| ITF M15 Sharm El Sheikh | 2019/04/02 08:00 | Antonio Cayetano March v Lucas Hellfritsch | 4-6,3-6 |
| ITF M15 Sharm El Sheikh | 2019/04/01 08:00 | Joao P Alcantara v Lucas Hellfritsch | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2019/03/25 11:00 | Timur Kiyamov v Lucas Hellfritsch | 6-7,6-0,10-7 |
| ITF M15 Sharm El Sheikh | 2019/03/25 08:00 | Lucas Hellfritsch v Bastien Presuhn | 6-2,6-3 |
| ITF M15 Sharm El Sheikh | 2019/03/20 09:45 | Lucas Hellfritsch v Marko Miladinovic | 1-6,2-6 |
| ITF M15 Sharm El Sheikh | 2019/03/11 08:00 | Lucas Hellfritsch v Georgii Kravchenko | 4-6,7-5,4-10 |