Stadium: C Round: 62 Ground: Clay
| ITF Netherlands F3 | 2018/07/07 07:30 | Karlo Cubelic v Clavel, Tom | 6-4,6-2 |
| ITF Germany F5 | 2018/06/25 08:00 | Forchap, David Chaplefeh v Karlo Cubelic | 1-6,4-6 |
| ITF Germany F5 | 2018/06/25 08:00 | Gabriel Donev v Karlo Cubelic | 6-2,6-2 |
| ITF Germany F5 | 2018/06/24 15:00 | Karlo Cubelic v Walder, Jordi | 7-5,3-6,6-2 |
| ITF Germany F4 | 2018/06/18 11:00 | de Valk, Roy Sarut v Karlo Cubelic | 6-1,6-1 |
| ITF Germany F4 | 2018/06/17 12:00 | Karlo Cubelic v Morr, Jonathan | 7-5,6-4 |
| ITF Germany F4 | 2018/06/16 08:00 | Boerma, Pelle v Karlo Cubelic | 1-6,2-6 |
| Tunisia F16, Singles Qualifying | 2018/04/22 12:00 | Karlo Cubelic v Pierre, Hugo | 2-6,5-7 |
| ITF Netherlands F3 | 2018/07/07 07:30 | Randjelovic, Ivan v Grunberger, Daniel | 2-6,2-6 |
| ITF USA F5 | 2018/01/21 15:00 | Rodriguez-Pace, Ricardo v Grunberger, Daniel | 6-1,6-2 |
| ITF USA F4 | 2018/01/13 13:30 | Ore, I. A. v Grunberger, Daniel | 6-1,6-1 |
| ITF Canada F8 Qual | 2017/09/18 14:00 | Binding, Jonathan v Grunberger, Daniel | 4-6,6-1,6-3 |
| ITF Canada F8 Qual | 2017/09/16 14:00 | Grunberger, Daniel v Nguyen, Edward | 6-1,6-4 |
| Canada F7, Singles | 2017/09/13 16:50 | Grunberger, Daniel v Vinsant, Shane | 4-6,2-6 |
| Canada F7, Singles | 2017/09/12 15:40 | Leduc, Antoine v Grunberger, Daniel | 3-6,4-6 |
| ITF Canada F7 Qual | 2017/09/10 15:10 | Grunberger, Daniel v Ghader, Damien | 6-1,6-1 |