| TT Elite Series | 10/14 22:35 | - | Jakub Zochniak v Piotr Ostachowski | L | 3-0 | |
| TT Elite Series | 10/14 21:45 | - | Piotr Ostachowski v Grzegorz Poliniewicz | L | 0-3 | |
| TT Elite Series | 10/14 20:05 | - | Piotr Ostachowski v Adam Linek | W | 3-1 | |
| TT Elite Series | 10/14 19:20 | - | Filip Kujawa v Piotr Ostachowski | W | 0-3 | |
| TT Elite Series | 10/14 14:35 | - | Wojciech Gluszek v Piotr Ostachowski | L | 3-0 | |
| TT Elite Series | 10/14 13:25 | - | Piotr Ostachowski v Artur Sobel | L | 0-3 | |
| TT Elite Series | 10/14 12:10 | - | Arkadiusz Mugowski v Piotr Ostachowski | W | 1-3 | |
| TT Elite Series | 10/14 11:05 | - | Michal Minda v Piotr Ostachowski | L | 3-1 | |
| TT Elite Series | 10/14 09:25 | - | Adrian Myszewski v Piotr Ostachowski | W | 0-3 | |
| TT Elite Series | 10/14 02:55 | - | Piotr Ostachowski v Kacper Marchlewski | L | 0-3 | |
| TT Elite Series | 10/14 02:05 | - | Grzegorz Poliniewicz v Piotr Ostachowski | L | 3-2 | |
| TT Elite Series | 10/14 00:50 | - | Kamil Rudomina v Piotr Ostachowski | L | 3-0 | |
| TT Elite Series | 10/13 23:40 | - | Szymon Radlo v Piotr Ostachowski | L | 3-2 | |
| TT Elite Series | 10/13 21:50 | - | Kacper Marchlewski v Piotr Ostachowski | W | 1-3 | |
| TT Elite Series | 10/13 21:00 | - | Szymon Radlo v Piotr Ostachowski | L | 3-2 | |
| TT Elite Series | 10/13 20:10 | - | Piotr Ostachowski v Kamil Rudomina | L | 0-3 | |
| TT Elite Series | 10/13 18:40 | - | Piotr Ostachowski v Adrian Myszewski | L | 0-3 | |
| TT Elite Series | 10/13 17:55 | - | Grzegorz Poliniewicz v Piotr Ostachowski | L | 3-2 | |
| 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 |