Stadium: Center Court Round: 24 Ground: Hardcourt indoor
| Challenger Ludwigshafen | 2019/07/02 09:00 | Johannes Haerteis v Julian Lenz | 3-6,7-6,7-6 |
| Challenger Parma | 2019/06/21 09:00 | Jacopo Berrettini v Julian Lenz | 1-6,3-6 |
| Challenger Parma | 2019/06/20 09:25 | Filip Peliwo v Julian Lenz | 3-6,1-6 |
| Challenger Parma | 2019/06/19 10:05 | Julian Lenz v Alessandro Giannessi | 6-1,6-4 |
| Challenger Parma | 2019/06/18 08:00 | Riccardo Bonadio v Julian Lenz | 6-7,2-6 |
| ITF M25 Karlsruhe | 2019/06/09 11:00 | Julian Lenz v Andrea Pellegrino | 6-3,6-7,6-3 |
| ITF M25 Karlsruhe | 2019/06/08 14:50 | Julian Lenz v Marvin Netuschil | 6-1,6-2 |
| ITF M25 Karlsruhe | 2019/06/07 14:00 | Julian Lenz v Gonzalo Villanueva | 6-3,6-0 |
| ITF M15 Irpin | 2019/05/27 06:30 | Georgii Kravchenko v Beibit Zhukayev | 7-5,7-5 |
| ITF M15 Irpin | 2019/05/20 06:30 | Nikita Mashtakov v Beibit Zhukayev | 6-4,7-5 |
| ITF M25 Namangan | 2019/04/29 05:30 | Naoki Takeda v Beibit Zhukayev | 7-6,6-3 |
| ITF M25 Andijan | 2019/04/22 05:00 | Matvey Minin v Beibit Zhukayev | 6-4,3-6,10-4 |
| ITF M25 Shymkent | 2019/04/16 04:00 | Matvey Minin v Beibit Zhukayev | 6-4,6-1 |
| ITF M25 Shymkent | 2019/04/15 06:50 | Beibit Zhukayev v Alexander Ovcharov | 6-3,7-5 |
| ITF M25 Shymkent | 2019/04/09 04:25 | Beibit Zhukayev v Dostanbek Tashbulatov | 3-6,0-6 |
| ITF M25 Shymkent | 2019/04/08 05:30 | Saida'lo Saidkarimov v Beibit Zhukayev | 4-6,6-4,7-10 |