| Challenger Ochsenhausen | 2018/10/17 08:30 | Lehel Demeter v Sebestyen Kovacs | L | 3-0 |
| Challenger Ochsenhausen | 2018/10/15 06:30 | Lehel Demeter v Sebestyen Kovacs | L | 3-1 |
| Challenger Ochsenhausen | 2019/02/05 12:40 | Dauud Cheaib v Sebestyen Kovacs | W | 2-3 |
| Challenger Ochsenhausen | 2019/02/05 08:40 | Javier Benito v Sebestyen Kovacs | L | 3-1 |
| Challenger Ochsenhausen | 2019/02/04 20:20 | Sebestyen Kovacs v Josip Huzjak | L | 2-3 |
| Challenger Ochsenhausen | 2019/02/04 17:00 | Sebestyen Kovacs v Guillermo Martinez | L | 1-3 |
| Challenger Ochsenhausen | 2019/02/04 15:00 | Petr David v Sebestyen Kovacs | L | 3-0 |
| Challenger Ochsenhausen | 2019/02/04 11:30 | Yannick Vostes v Sebestyen Kovacs | L | 3-0 |
| Challenger Ochsenhausen | 2019/02/04 08:50 | Francisco Sanchi v Sebestyen Kovacs | L | 3-2 |
| Qatar Open XD | 2019/01/15 09:50 | David Reitspies v Sebestyen Kovacs | L | 4-0 |
| Challenger Ochsenhausen | 2019/01/25 09:30 | Dauud Cheaib v Lehel Demeter | L | 3-2 |
| Challenger Ochsenhausen | 2019/01/25 08:10 | Robert Floras v Lehel Demeter | W | 0-3 |
| Challenger Ochsenhausen | 2019/01/24 10:50 | Lehel Demeter v Fedor Kuzmin | L | 2-3 |
| Challenger Ochsenhausen | 2019/01/24 08:10 | Lehel Demeter v Javier Benito | W | 3-1 |
| Challenger Ochsenhausen | 2019/01/24 07:30 | Hampus Nordberg v Lehel Demeter | L | 3-0 |
| Challenger Ochsenhausen | 2019/01/23 11:30 | Yannick Vostes v Lehel Demeter | L | 3-1 |
| Challenger Ochsenhausen | 2019/01/23 08:50 | Benjamin Brossier v Lehel Demeter | W | 0-3 |
| Challenger Ochsenhausen | 2018/12/20 12:10 | Lehel Demeter v Petr David | W | 3-1 |