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 Oldenzaal | 2019/08/13 11:55 | Sidane Pontjodikromo v Lucas Hellfritsch | 6-4,6-4 |
| ITF M15 Eupen | 2019/08/05 09:00 | Lucas Hellfritsch v Zachary Eisinga | 7-6,6-7,4-10 |
| ITF M15 Brussels | 2019/07/31 10:10 | Lucas Hellfritsch v Martin Van Der Meerschen | 7-6,6-7,4-6 |
| ITF M15 Brussels | 2019/07/30 10:00 | Liam Dielen v Lucas Hellfritsch | 5-7,1-6 |
| ITF M15 Brussels | 2019/07/29 11:00 | Felix Romeo v Lucas Hellfritsch | 3-6,2-6 |
| ITF M15 Bad Schussenried | 2019/07/22 13:00 | Lucas Hellfritsch v Gabriele Moghini | 1-6,1-6 |
| ITF M15 Bad Schussenried | 2019/07/22 08:00 | Lucas Hellfritsch v Gabriel Sanchez | 6-0,6-1 |
| ITF M15 Marburg | 2019/07/08 09:00 | William Ma v Lucas Hellfritsch | 3-6,7-6,3-10 |