| ITF Germany F1 | 2018/01/07 08:00 | Hendrik Jebens v Karlo Cubelic | 6-7,6-7 |
| ITF M15 Sarreguemines | 2020/10/28 08:55 | Karlo Cubelic v Sandro Ehrat | 2-6,4-6 |
| ITF M15 Sarreguemines | 2020/10/26 15:35 | Kai Lemstra v Karlo Cubelic | 4-6,7-5,8-10 |
| ITF M15 Sarreguemines | 2020/10/25 16:20 | Karlo Cubelic v Adil Kalyanpur | 6-2,6-3 |
| ITF M15 Forbach | 2020/09/30 08:30 | Karlo Cubelic v Daniele Capecchi | 1-6,6-1,5-7 |
| ITF M15 Forbach | 2020/09/28 14:00 | Alafia Ayeni v Karlo Cubelic | 7-5,4-6,8-10 |
| ITF M15 Forbach | 2020/09/28 07:00 | Pol Amoros Ramos v Karlo Cubelic | 1-6,5-7 |
| German Masters | 2020/08/28 13:15 | Daniil Glinka v Karlo Cubelic | 6-4,3-6,4-6 |
| German Premier League | 2020/08/27 06:30 | Karlo Cubelic v Alexander Mannapov | 6-1,6-2 |
| ITF M15 Sarreguemines | 2020/10/26 11:45 | Hendrik Jebens v Daniel De Jonge | 6-7,3-6 |
| ITF M15 Sarreguemines | 2020/10/25 14:05 | Damien Wenger v Hendrik Jebens | 3-6,4-6 |
| ITF M25 Hamburg | 2020/10/18 09:00 | Hendrik Jebens v Alafia Ayeni | 4-6,6-7 |
| ITF M15 Forbach | 2020/09/30 10:10 | Hendrik Jebens v Vitaliy Sachko | 1-6,5-7 |
| ITF M15 Forbach | 2020/09/28 17:30 | Amaury Raynel v Hendrik Jebens | 6-7,6-4,6-10 |
| ITF M15 Forbach | 2020/09/28 14:10 | Tom Biston v Hendrik Jebens | 1-6,4-6 |
| ITF M25 Sunderland | 2020/02/24 11:15 | Bart Stevens v Hendrik Jebens | 3-6,6-3,10-8 |
| ITF M25 Sunderland | 2020/02/23 12:25 | Yujiro Onuma v Hendrik Jebens | 6-7,2-6 |