Stadium: Clay 1 Round: 25 Ground: Clay
| ITF M15 Kaarst | 2019/02/05 11:00 | Robin Kern v Robin Stanek | 1-6,6-7 |
| ITF M25 Nussloch | 2019/01/22 12:40 | Robin Kern v Takanyi Garanganga | 6-4,4-6,4-6 |
| Challenger Eckental | 2018/10/27 09:10 | Alexander Bublik v Robin Kern | 6-1,7-5 |
| Challenger Ismaning | 2018/10/13 10:25 | Robin Kern v Marc Sieber | 3-6,2-6 |
| Challenger Ortisei | 2018/10/06 12:05 | Julian Lenz v Robin Kern | 6-3,6-2 |
| Challenger Orleans | 2018/09/22 15:15 | Hugo Grenier v Robin Kern | 6-1,6-1 |
| ITF Italy F25 | 2018/08/30 12:30 | Sami Reinwein v Robin Kern | 7-6,6-4 |
| ITF Italy F25 | 2018/08/29 12:00 | Gabriele Maria Noce v Robin Kern | 3-6,3-6 |
| ITF M15 Den Haag | 2019/07/01 07:30 | Lucas Hellfritsch v Jing L Weng | 2-6,1-6 |
| ITF M15 Alkmaar | 2019/06/26 16:50 | Jesper De Jong v Lucas Hellfritsch | 6-3,6-4 |
| ITF M15 Alkmaar | 2019/06/25 09:00 | Lucas Hellfritsch v Matthew Dellavedova | 0-6,6-0,10-2 |
| ITF M15 Alkmaar | 2019/06/24 13:00 | Lucas Hellfritsch v Mislav Bosnjak | 6-4,4-6,10-6 |
| ITF M15 Kaltenkirchen | 2019/06/10 08:00 | Lucas Hellfritsch v Remy Bertola | 1-6,4-6 |
| ITF M15 Antalya | 2019/05/21 07:15 | Lucas Hellfritsch v Shinnosuke Hiramatsu | 4-6,0-6 |
| ITF M15 Antalya | 2019/04/25 09:20 | Dimitar Kuzmanov v Lucas Hellfritsch | 6-2,6-3 |
| ITF M15 Antalya | 2019/04/24 09:10 | Lucas Hellfritsch v Elliott Farmer | 6-0,6-3 |