Stadium: Zolling 1 Round: 54 Ground: Clay
| ITF M15 Duffel | 2023/06/12 08:00 | Marlon Vankan v Karlo Cubelic | 3-6,7-5,10-6 |
| ITF M15 Duffel | 2023/06/11 14:00 | Andre Megrabian v Karlo Cubelic | 3-6,1-6 |
| ITF M25 Sharm El Sheikh | 2023/04/19 11:20 | Karlo Cubelic v Robin Bertrand | 2-6,2-6 |
| ITF M25 Sharm El Sheikh | 2023/04/18 10:20 | Karlo Cubelic v Yurii Dzhavakian | 6-7,0-6 |
| ITF M25 Sharm El Sheikh | 2023/04/17 10:50 | Karlo Cubelic v Jason Janis | 6-0,6-1 |
| ITF M25 Sharm El Sheikh | 2023/04/10 08:30 | John Echeverria v Karlo Cubelic | 7-6,6-3 |
| ITF M25 Sharm El Sheikh | 2023/04/09 08:00 | Volodymyr Uzhylovskyi v Karlo Cubelic | 4-6,4-6 |
| ITF M15 Aktobe | 2023/03/08 08:00 | Karlo Cubelic v Igor Kudriashov | 4-6,3-6 |
| UTR Pro Tennis Series Dallas | 2022/12/22 21:30 | Shunsuke Mitsui v Stefan Peter Hampe | 6-1,0-0 |
| UTR Pro Tennis Series Dallas | 2022/12/21 21:23 | Matthis Ross v Stefan Peter Hampe | 7-6,4-6,3-5 |
| UTR Pro Tennis Series Dallas | 2022/12/19 21:30 | Josh Sheehy v Stefan Peter Hampe | 3-6,6-4,6-6 |
| UTR Pro Tennis Series Dallas | 2022/12/18 21:33 | Stefan Peter Hampe v Lui Maxted | 5-7,3-5 |
| ITF M15 Metzingen | 2022/07/19 14:20 | Stefan Peter Hampe v Sander Jong | 5-7,7-5,3-6 |
| ITF M15 Metzingen | 2022/07/18 12:00 | Stefan Peter Hampe v Pavel Shumeiko | 6-4,6-2 |
| ITF M15 Metzingen | 2022/07/17 14:30 | Rik Muller v Stefan Peter Hampe | 4-6,4-6 |
| ITF M15 Metzingen | 2022/07/17 07:30 | Stefan Peter Hampe v Yannick Lenaerts | 6-2,6-1 |