| Challenger Ochsenhausen | 2018/11/23 11:30 | Jakub Kosowski v Sebestyen Kovacs | W | 3-0 |
| Challenger Ochsenhausen | 2019/09/16 12:30 | Jakub Kosowski v Anders Eriksson | L | 1-3 |
| Challenger Ochsenhausen | 2019/09/16 09:10 | Elias Ranefur v Jakub Kosowski | L | 3-2 |
| Challenger Ochsenhausen | 2019/09/16 07:10 | Jakub Kosowski v Petr David | W | 3-1 |
| Challenger Ochsenhausen | 2019/08/30 12:05 | Sushmit Sriram v Jakub Kosowski | L | 3-2 |
| Challenger Ochsenhausen | 2019/08/30 10:30 | Jakub Kosowski v Carlo Rossi | W | 3-0 |
| Challenger Ochsenhausen | 2019/08/30 07:50 | Jakub Kosowski v Antonin Gavlas | W | 3-2 |
| Challenger Ochsenhausen | 2019/08/29 11:50 | Jakub Kosowski v Sushmit Sriram | L | 0-3 |
| Challenger Ochsenhausen | 2019/08/29 08:30 | Jakub Kosowski v Javier Benito | W | 3-0 |
| Challenger Ochsenhausen | 2019/09/16 11:50 | Elias Ranefur v Sebestyen Kovacs | L | 3-0 |
| Challenger Ochsenhausen | 2019/09/16 09:50 | Sebestyen Kovacs v Petr David | L | 0-3 |
| Challenger Ochsenhausen | 2019/09/16 07:50 | Sebestyen Kovacs v Mihai Bobocica | L | 0-3 |
| Slovenia Open | 2019/05/09 12:00 | Heng-Wei Yang v Sebestyen Kovacs | L | 3-0 |
| Challenger Ochsenhausen | 2019/04/02 10:20 | Sebestyen Kovacs v Daniel Kleinert | W | 3-1 |
| Challenger Ochsenhausen | 2019/04/02 07:00 | Sebestyen Kovacs v Simon Soderlund | L | 0-3 |
| Challenger Ochsenhausen | 2019/04/01 18:00 | Sebestyen Kovacs v Mudit Dani | W | 3-0 |
| Challenger Ochsenhausen | 2019/04/01 15:20 | Romain Lorentz v Sebestyen Kovacs | L | 3-2 |