Stadium: Zolling 1 Round: 54 Ground: Clay
| ITF M15 Metzingen | 2023/07/23 07:30 | Karlo Cubelic v Stefan Peter Hampe | 6-3,2-6,10-5 |
| ITF M15 Trier | 2023/08/21 15:00 | Karlo Cubelic v Torben Steinorth | 4-6,6-0,6-10 |
| ITF M15 Trier | 2023/08/21 09:30 | Karlo Cubelic v Tim Pauly | 6-1,6-1 |
| Challenger Luedenscheid | 2023/07/30 10:35 | Karlo Cubelic v Marvin Moeller | 3-6,6-3,2-6 |
| ITF M15 Metzingen | 2023/07/24 12:00 | Karlo Cubelic v Rostislav Galfinger | 2-6,4-6 |
| ITF M15 Metzingen | 2023/07/23 07:30 | Karlo Cubelic v Stefan Peter Hampe | 6-3,2-6,10-5 |
| ITF M15 Uslar | 2023/07/17 08:00 | Karlo Cubelic v Aaron James Williams | 6-7,6-4,6-10 |
| ITF M25 Kassel | 2023/07/12 11:55 | Hady Habib v Karlo Cubelic | 6-0,6-4 |
| ITF M25 Kassel | 2023/07/11 09:30 | Dominik Recek v Karlo Cubelic | 2-6,1-6 |
| ITF M15 Überlingen | 2023/08/14 14:00 | Petro Orlando Fellin v Stefan Peter Hampe | 4-6,6-3,10-4 |
| ITF M15 Metzingen | 2023/07/23 07:30 | Karlo Cubelic v Stefan Peter Hampe | 6-3,2-6,10-5 |
| ITF M25 Arlon | 2023/06/26 15:10 | Stefan Peter Hampe v Thorben Sannen | 4-6,5-7 |
| 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 |