| TT Cup (2023) | 04/26 14:05 | - | Jakub Grzegorczyk v Marek Chybinski | L | 2-3 | |
| TT Cup (2023) | 04/26 12:35 | - | Jakub Grzegorczyk v Piotr Kaczynski | L | 1-3 | |
| TT Cup (2023) | 04/26 11:05 | - | Jakub Grzegorczyk v Mariusz Koczyba | L | 1-3 | |
| TT Cup (2023) | 04/26 09:35 | - | Jakub Grzegorczyk v Waldemar Jozala | W | 3-0 | |
| TT Cup (2023) | 04/26 08:05 | - | Jakub Grzegorczyk v Patryk Jedrzejak | L | 1-3 | |
| TT Cup (2023) | 04/25 15:35 | - | Adam Kasperski v Jakub Grzegorczyk | W | 0-3 | |
| TT Cup (2023) | 04/25 14:35 | - | Jakub Grzegorczyk v Mista Sylwester | L | 0-3 | |
| TT Cup (2023) | 04/25 12:35 | - | Arkadiusz Skupinski v Jakub Grzegorczyk | L | 3-1 | |
| TT Cup (2023) | 04/25 11:35 | - | Jakub Grzegorczyk v Jakub Michalski | L | 1-3 | |
| TT Cup (2023) | 04/25 10:35 | - | Miroslaw Warzecha v Jakub Grzegorczyk | L | 3-1 | |
| TT Cup (2023) | 04/25 09:05 | - | Jakub Grzegorczyk v Adam Kasperski | L | 0-3 | |
| TT Cup (2023) | 04/24 16:05 | - | Jakub Grzegorczyk v Yurij Fomin | W | 3-0 | |
| TT Cup (2023) | 04/24 15:05 | - | Jakub Grzegorczyk v Adam Kasperski | L | 2-3 | |
| TT Cup (2023) | 04/24 13:05 | - | Krzysztof Schaniel v Jakub Grzegorczyk | L | 3-0 | |
| TT Cup (2023) | 04/24 11:05 | - | Yurij Fomin v Jakub Grzegorczyk | W | 2-3 | |
| TT Cup (2023) | 04/24 10:05 | - | Jakub Grzegorczyk v Arkadiusz Skupinski | W | 3-1 | |
| TT Cup (2023) | 04/24 09:05 | - | Mariusz Adamus v Jakub Grzegorczyk | W | 0-3 | |
| TT Cup (2023) | 04/20 15:35 | - | Jakub Grzegorczyk v Arkadiusz Skupinski | W | 3-0 | |
| TT Cup (2023) | 04/20 15:05 | - | Mariusz Koczyba v Jakub Grzegorczyk | L | 3-2 | |
| TT Cup (2023) | 04/20 13:35 | - | Jakub Grzegorczyk v Arkadiusz Skupinski | W | 3-1 | |
| TT Cup (2023) | 04/20 11:35 | - | Waldemar Jozala v Jakub Grzegorczyk | L | 3-0 | |
| TT Cup (2023) | 04/20 09:35 | - | Adam Drzyzga v Jakub Grzegorczyk | L | 3-2 | |
| TT Cup (2023) | 04/20 08:35 | - | Adam Kasperski v Jakub Grzegorczyk | L | 3-2 | |
| TT Cup (2023) | 04/18 15:35 | - | Mariusz Adamus v Jakub Grzegorczyk | L | 3-0 | |
| TT Cup (2023) | 04/18 14:35 | - | Jakub Grzegorczyk v Mariusz Adamus | L | 0-3 | |
| TT Cup (2023) | 04/18 12:35 | - | Jakub Michalski v Jakub Grzegorczyk | L | 3-1 | |
| TT Cup (2023) | 04/18 11:35 | - | Jakub Grzegorczyk v Roman Wiza | L | 1-3 | |
| TT Cup (2023) | 04/18 10:35 | - | Miroslaw Warzecha v Jakub Grzegorczyk | L | 3-0 | |
| TT Cup (2023) | 04/18 09:05 | - | Jakub Grzegorczyk v Arkadiusz Skupinski | L | 1-3 | |
| TT Cup (2023) | 04/17 15:35 | - | Jakub Grzegorczyk v Adam Kasperski | L | 0-3 |