Ground: Carpet indoor
| ITF M15 Cadolzburg | 2025/01/16 10:00 | Kai Wehnelt v Niklas Schell | 6-3,6-6 |
| ITF M15 Cadolzburg | 2025/01/14 10:00 | Niels Visker v Kai Wehnelt | 7-6,4-6,6-7 |
| ITF M15 Luanda | 2024/11/30 10:00 | Robert Strombachs v Kai Wehnelt | 6-3,6-3 |
| ITF M15 Luanda | 2024/11/29 10:00 | Kai Wehnelt v Yannik Kelm | 6-3,6-0 |
| ITF M15 Luanda | 2024/11/28 10:00 | Kai Wehnelt v Patrik Oplustil | 6-0,6-1 |
| ITF M15 Luanda | 2024/11/27 11:50 | Kai Wehnelt v Parth Aggarwal | 7-5,6-1 |
| ITF M15 Luanda | 2024/11/20 09:00 | Kai Wehnelt v Edoardo Santoni | 6-7,3-6 |
| ITF M15 Kayseri | 2024/11/02 08:00 | Aleksandr Braynin v Kai Wehnelt | 6-4,6-2 |
| ITF M15 Cadolzburg | 2025/01/16 13:00 | Adrian Oetzbach v Justin Engel | 2-6,3-6 |
| ITF M15 Cadolzburg | 2025/01/15 13:00 | William Jucha v Justin Engel | 3-6,4-6 |
| Challenger Oeiras | 2025/01/05 20:05 | Alexey Vatutin v Justin Engel | 6-3,6-3 |
| Challenger Manzanillo | 2024/11/27 19:00 | Justin Engel v Mohamed Aziz Dougaz | 0-6,2-6 |
| Challenger Manzanillo | 2024/11/25 22:30 | Justin Engel v Valerio Aboian | 6-7,6-4,6-3 |
| Challenger Puerto Vallarta | 2024/11/20 01:35 | Alfredo Perez v Justin Engel | 6-3,3-6,6-4 |
| ATP Almaty | 2024/10/16 06:00 | Justin Engel v Francisco Cerundolo | 4-6,6-7 |
| ATP Almaty | 2024/10/14 09:30 | Justin Engel v Coleman Wong | 7-5,6-4 |