Stadium: Clay 3 Round: 25 Ground: Hardcourt outdoor
| ITF Turkey F38 | 2018/11/26 09:05 | Andrey Uvarov v Karlo Cubelic | 7-5,6-2 |
| ITF Turkey F38 | 2018/11/25 10:00 | Ruslan Khunarikov v Karlo Cubelic | 3-6,4-6 |
| ITF Kuwait F3 | 2018/11/11 07:00 | Stefan Micov v Karlo Cubelic | 2-6,6-3,6-2 |
| ITF Kuwait F3 | 2018/11/10 09:15 | Philipp Sikorski v Karlo Cubelic | 2-6,1-6 |
| ITF Kuwait F2 | 2018/11/06 07:30 | Alec Adamson v Karlo Cubelic | 6-1,6-3 |
| ITF Kuwait F2 | 2018/11/04 08:20 | Karlo Cubelic v Shunsuke Wakita | 6-3,2-6,6-3 |
| ITF Germany F16 | 2018/10/22 10:00 | Johann Willems v Karlo Cubelic | 6-3,6-4 |
| ITF Germany F16 | 2018/10/21 10:30 | Karlo Cubelic v Jordi Walder | 6-4,3-6,7-6 |
| ITF Turkey F37 | 2018/11/20 07:00 | Geronimo E Busleiman v Eduard Esteve Lobato | 4-6,4-6 |
| ITF Turkey F36 | 2018/11/15 10:00 | Nik Razborsek v Geronimo E Busleiman | 6-3,6-3 |
| ITF Turkey F36 | 2018/11/14 08:40 | Geronimo E Busleiman v Vincentiu A Niculescu | 6-3,6-2 |
| ITF Argentina F6 | 2018/09/19 15:05 | Maximiliano Estevez v Geronimo E Busleiman | 6-2,4-6,6-2 |
| ITF Argentina F6 | 2018/09/17 19:05 | Geronimo E Busleiman v Hernan Casanova | 3-6,6-3,6-4 |
| ITF Argentina F5 | 2018/09/11 17:40 | Geronimo E Busleiman v Maximiliano Estevez | 5-7,2-6 |
| ITF Argentina F4 | 2018/09/06 15:00 | Geronimo E Busleiman v Valentin Florez | 6-7,4-6 |
| ITF Argentina F4 | 2018/09/05 18:30 | Geronimo E Busleiman v Francisco Cerundolo | 0-6,7-6,6-4 |