| TT Elite Series | 05/25 16:45 | - | Jakub Kosowski v Slawomir Dosz | W | 3-2 | |
| TT Elite Series | 05/25 15:10 | - | Jakub Kosowski v Adam Dosz | L | 0-3 | |
| TT Elite Series | 05/25 14:00 | - | Jakub Kosowski v Bartosz Czerwinski | L | 0-3 | |
| TT Elite Series | 05/25 12:25 | - | Jakub Kosowski v Mateusz Czernik | W | 3-1 | |
| TT Elite Series | 05/25 11:10 | - | Jakub Kosowski v Grzegorz Felkel | W | 3-0 | |
| TT Elite Series | 05/25 10:25 | - | Jakub Kosowski v Grzegorz Felkel | L | 1-3 | |
| TT Elite Series | 05/25 08:50 | - | Slawomir Dosz v Jakub Kosowski | W | 0-3 | |
| TT Elite Series | 05/25 08:00 | - | Mateusz Czernik v Jakub Kosowski | W | 0-3 | |
| TT Elite Series | 05/25 07:15 | - | Jakub Kosowski v Adam Dosz | W | 3-0 | |
| TT Elite Series | 05/25 06:00 | - | Jakub Kosowski v Marcin Jadczyk | W | 3-1 | |
| TT Elite Series | 05/23 16:45 | - | Konrad Kulpa v Jakub Kosowski | L | 3-0 | |
| TT Elite Series | 05/23 15:35 | - | Jakub Kosowski v Damian Wederlich | L | 1-3 | |
| TT Elite Series | 05/23 14:25 | - | Marcin Jadczyk v Jakub Kosowski | L | 3-1 | |
| TT Elite Series | 05/23 13:15 | - | Jan Zandecki v Jakub Kosowski | L | 3-1 | |
| TT Elite Series | 05/23 11:35 | - | Jakub Folwarski v Jakub Kosowski | L | 3-0 | |
| TT Elite Series | 05/23 10:25 | - | Jakub Kosowski v Damian Wederlich | L | 0-3 | |
| TT Elite Series | 05/23 08:50 | - | Konrad Kulpa v Jakub Kosowski | L | 3-0 | |
| TT Elite Series | 05/23 08:00 | - | Jakub Folwarski v Jakub Kosowski | W | 1-3 | |
| TT Elite Series | 05/23 07:15 | - | Jakub Kosowski v Jan Zandecki | L | 2-3 | |
| TT Elite Series | 05/23 06:00 | - | Jakub Kosowski v Marcin Jadczyk | L | 0-3 | |
| TT Elite Series | 05/22 23:05 | - | Adrian Spychala v Jakub Kosowski | W | 0-3 | |
| TT Elite Series | 05/22 21:55 | - | Jakub Kosowski v Lukasz Jarocki | W | 3-2 | |
| TT Elite Series | 05/22 20:40 | - | Artur Daniel v Jakub Kosowski | W | 0-3 | |
| TT Elite Series | 05/22 19:30 | - | Bartosz Czerwinski v Jakub Kosowski | W | 0-3 | |
| TT Elite Series | 05/22 17:55 | - | Grzegorz Felkel v Jakub Kosowski | W | 0-3 | |
| TT Elite Series | 05/22 16:00 | - | Jakub Kosowski v Adrian Wiecek | L | 0-3 | |
| TT Elite Series | 05/22 14:50 | - | Jakub Kosowski v Amirreza Abbasi | L | 0-3 | |
| TT Elite Series | 05/22 13:35 | - | Jakub Kosowski v Kacper Petas | W | 3-2 | |
| TT Elite Series | 05/22 12:25 | - | Artur Grela v Jakub Kosowski | L | 3-1 | |
| TT Elite Series | 05/22 11:35 | - | Jakub Kosowski v Jan Zandecki | W | 3-1 |