| TT Elite Series | 06/27 04:00 | - | Piotr Ostachowski v Sebastian Bak | W | 3-2 | |
| TT Elite Series | 06/27 02:00 | - | Igor Misztal v Piotr Ostachowski | L | 3-0 | |
| TT Elite Series | 06/27 01:00 | - | Mikolaj Szalinski v Piotr Ostachowski | L | 3-0 | |
| TT Elite Series | 06/27 00:00 | - | Piotr Ostachowski v Szymon Marciniak | W | 3-1 | |
| TT Elite Series | 06/26 22:30 | - | Piotr Ostachowski v Mateusz Golebiowski | L | 0-3 | |
| TT Elite Series | 06/06 11:30 | - | Kacper Makowski v Piotr Ostachowski | W | 1-3 | |
| TT Elite Series | 06/06 10:30 | - | Adam Dudzicz v Piotr Ostachowski | L | 3-1 | |
| TT Elite Series | 06/06 09:30 | - | Piotr Ostachowski v Tomasz Kotowski | L | 0-3 | |
| TT Elite Series | 06/06 07:30 | - | Piotr Ostachowski v Bartosz Czerwinski | L | 0-3 | |
| TT Elite Series | 06/06 06:30 | - | Michal Malachowski v Piotr Ostachowski | L | 3-0 | |
| TT Elite Series | 06/05 20:30 | - | Adam Dudzicz v Piotr Ostachowski | L | 3-2 | |
| TT Elite Series | 06/05 19:00 | - | Piotr Ostachowski v Krzysztof Kapik | W | 3-2 | |
| TT Elite Series | 06/05 17:30 | - | Pawel Piotrowski v Piotr Ostachowski | L | 3-0 | |
| TT Elite Series | 06/05 16:00 | - | Damian Korczak v Piotr Ostachowski | L | 3-0 | |
| TT Elite Series | 06/05 14:00 | - | Tomasz Kotowski v Piotr Ostachowski | L | 3-0 | |
| TT Elite Series | 06/05 04:30 | - | Bartosz Czerwinski v Piotr Ostachowski | L | 3-1 | |
| TT Elite Series | 06/05 03:00 | - | Piotr Ostachowski v Kacper Makowski | L | 0-3 | |
| TT Elite Series | 06/05 01:30 | - | Mateusz Golebiowski v Piotr Ostachowski | L | 3-0 | |
| TT Elite Series | 06/05 00:00 | - | Pawel Piotrowski v Piotr Ostachowski | L | 3-0 | |
| TT Elite Series | 06/04 22:05 | - | Piotr Chodorski v Piotr Ostachowski | L | 3-0 | |
| TT Elite Series | 06/01 11:15 | - | Maciej Podsiadlo v Piotr Ostachowski | L | 3-2 | |
| TT Elite Series | 06/01 10:15 | - | Jan Kaczor v Piotr Ostachowski | L | 3-0 | |
| TT Elite Series | 06/01 09:15 | - | Piotr Ostachowski v Bartosz Czerwinski | L | 1-3 | |
| TT Elite Series | 06/01 07:15 | - | Piotr Ostachowski v Dawid Kotwica | L | 1-3 | |
| TT Elite Series | 06/01 06:15 | - | Michal Korycki v Piotr Ostachowski | L | 3-0 |