Stadium: Rado CC Round: 54 Ground: Carpet indoor
| ITF - M25 Monastir | 2022/03/07 08:00 | Luc Koenig v Karlo Cubelic | 7-5,6-0 |
| ITF - M25 Monastir | 2022/03/06 10:30 | Karlo Cubelic v Yamato Sueoka | 6-2,6-3 |
| ITF - M25 Monastir | 2022/01/04 10:00 | Karlo Cubelic v Matas Vasiliauskas | 7-6,4-6,5-7 |
| ITF - M15 Sharm El Sheikh | 2021/11/17 11:15 | Sebastian Prechtel v Karlo Cubelic | 6-4,6-4 |
| ITF - M15 Sharm El Sheikh | 2021/11/16 08:00 | Karlo Cubelic v Bang Shuo Yin | 6-4,6-7,11-9 |
| ITF - M15 Sharm El Sheikh | 2021/11/09 08:00 | Daniel Little v Karlo Cubelic | 6-2,6-1 |
| ITF - M15 Sharm El Sheikh | 2021/11/08 08:00 | Ainius Sabaliauskas v Karlo Cubelic | 5-7,2-6 |
| ITF - M25 Sarreguemines | 2021/10/26 08:00 | Karlo Cubelic v Gauthier Onclin | 7-5,4-6,3-6 |