| TT Elite Series | 2023/02/12 17:50 | Jakub Kosowski v Jakub Stecyszyn | L | 2-3 |
| TT Elite Series | 2023/02/12 12:20 | Jakub Stecyszyn v Jakub Kosowski | W | 2-3 |
| TT Elite Series | 2023/02/03 13:50 | Jakub Kosowski v Jakub Stecyszyn | W | 3-1 |
| TT Elite Series | 2022/09/20 20:30 | Jakub Kosowski v Jakub Stecyszyn | W | 3-0 |
| TT Elite Series | 2022/06/25 15:30 | Jakub Kosowski v Jakub Stecyszyn | W | 3-0 |
| TT Elite Series | 2022/06/24 15:30 | Jakub Kosowski v Jakub Stecyszyn | W | 3-1 |
| TT Elite Series | 2022/06/24 06:00 | Jakub Kosowski v Jakub Stecyszyn | W | 3-1 |
| TT Elite Series | 2023/06/23 06:20 | Szymon Kolasa v Jakub Kosowski | W | 0-3 |
| TT Elite Series | 2023/06/23 05:40 | Jakub Kosowski v Artur Daniel | W | 3-2 |
| TT Elite Series | 2023/06/22 16:40 | Artur Daniel v Jakub Kosowski | L | 3-0 |
| TT Elite Series | 2023/06/22 15:20 | Jakub Kosowski v Szymon Kolasa | W | 3-0 |
| TT Elite Series | 2023/06/22 14:20 | Jakub Perek v Jakub Kosowski | W | 2-3 |
| TT Elite Series | 2023/06/22 13:10 | Michal Murawski v Jakub Kosowski | L | 3-2 |
| TT Elite Series | 2023/06/22 11:40 | Daniel Lis v Jakub Kosowski | W | 0-3 |
| TT Elite Series | 2023/06/22 10:30 | Jakub Kosowski v Jakub Perek | W | 3-1 |
| TT Elite Series | 2023/06/23 06:50 | Marcin Jadczyk v Jakub Stecyszyn | L | 3-0 |
| TT Elite Series | 2023/06/23 05:20 | Szymon Kolasa v Jakub Stecyszyn | W | 1-3 |
| TT Elite Series | 2023/06/06 15:10 | Antoni Witkowski v Jakub Stecyszyn | L | 3-0 |
| TT Elite Series | 2023/06/06 14:30 | Michal Murawski v Jakub Stecyszyn | W | 0-3 |
| TT Elite Series | 2023/06/06 13:40 | Jakub Stecyszyn v Jaroslaw Tomicki | L | 0-3 |
| TT Elite Series | 2023/06/06 12:10 | Jakub Stecyszyn v Piotr Chodorski | L | 2-3 |
| TT Elite Series | 2023/06/06 11:30 | Jakub Seibert v Jakub Stecyszyn | W | 2-3 |
| TT Elite Series | 2023/06/06 10:00 | Jakub Stecyszyn v Piotr Chodorski | W | 3-2 |