| Challenger de Ochsenhausen | 2019/09/16 07:10 | Jakub Kosowski v Petr David | W | 3-1 |
| Challenger de Ochsenhausen | 2019/07/30 11:40 | Petr David v Jakub Kosowski | L | 3-2 |
| Challenger de Ochsenhausen | 2019/05/10 10:30 | Jakub Kosowski v Petr David | W | 3-1 |
| Challenger de Ochsenhausen | 2018/12/19 09:30 | Petr David v Jakub Kosowski | W | 2-3 |
| Challenger de Ochsenhausen | 2018/12/05 08:10 | Jakub Kosowski v Petr David | W | 3-2 |
| Challenger de Ochsenhausen | 2018/11/20 13:40 | Petr David v Jakub Kosowski | W | 2-3 |
| Challenger de Ochsenhausen | 2018/11/19 14:20 | Jakub Kosowski v Petr David | L | 2-3 |
| Challenger de Ochsenhausen | 2018/10/24 12:30 | Petr David v Jakub Kosowski | W | 2-3 |
| Challenger de Ochsenhausen | 2019/11/04 16:20 | Jiri Vrablik v Jakub Kosowski | W | 2-3 |
| Challenger de Ochsenhausen | 2019/11/04 12:50 | Tomas Konecny v Jakub Kosowski | L | 3-1 |
| Challenger de Ochsenhausen | 2019/11/04 10:50 | Jakub Kosowski v Florian Bluhm | W | 3-0 |
| Challenger de Ochsenhausen | 2019/11/04 08:50 | Jakub Kosowski v Evgueni Chtchetinine | W | 3-2 |
| Challenger de Ochsenhausen | 2019/09/17 12:35 | Mihai Bobocica v Jakub Kosowski | L | 3-0 |
| Challenger de Ochsenhausen | 2019/09/17 09:00 | Jakub Kosowski v Josip Huzjak | W | 3-1 |
| Challenger de Ochsenhausen | 2019/09/16 20:00 | Jakub Kosowski v Dean Shu | W | 3-0 |
| Challenger de Ochsenhausen | 2019/09/16 15:20 | Jakub Kosowski v Sebestyen Kovacs | W | 3-0 |
| Challenger de Ochsenhausen | 2019/11/04 17:00 | Evgueni Chtchetinine v Petr David | L | 3-2 |
| Challenger de Ochsenhausen | 2019/11/04 13:30 | Jiri Vrablik v Petr David | W | 1-3 |
| Challenger de Ochsenhausen | 2019/11/04 12:10 | Carlos Zapata v Petr David | W | 0-3 |
| Challenger de Ochsenhausen | 2019/11/04 07:30 | Tomas Konecny v Petr David | L | 3-0 |
| República Checa - Extraliga | 2019/10/24 16:47 | Petr David v Tomas Tregler | L | 1-3 |
| Challenger de Ochsenhausen | 2019/10/18 10:45 | Antonin Gavlas v Petr David | L | 3-1 |
| Challenger de Ochsenhausen | 2019/10/18 08:30 | Petr David v Pawel Grela | W | 3-0 |
| Challenger de Ochsenhausen | 2019/10/18 06:30 | Petr David v Roman Rezetka | W | 3-2 |