| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Karol Kacprzak vs I Schneider |
| 0-1 | 26 | 2017 | European Blitz Championship | B07 Pirc |
| 2. I Schneider vs Karol Kacprzak |
| 1-0 | 43 | 2017 | European Blitz Championship | A45 Queen's Pawn Game |
| 3. T Kantans vs Karol Kacprzak |
| 1-0 | 28 | 2017 | European Rapid Championship | B96 Sicilian, Najdorf |
| 4. G Nasuta vs Karol Kacprzak |
| ½-½ | 93 | 2021 | European Rapid Championship | B50 Sicilian |
| 5. Karol Kacprzak vs I Kowalski |
| ½-½ | 20 | 2021 | European Rapid Championship | C16 French, Winawer |
| 6. A Skawinski vs Karol Kacprzak |
| ½-½ | 56 | 2021 | European Rapid Championship | C78 Ruy Lopez |
| 7. Karol Kacprzak vs J Kyc |
| 0-1 | 48 | 2021 | European Rapid Championship | A04 Reti Opening |
| 8. K Budrewicz vs Karol Kacprzak |
| 0-1 | 146 | 2021 | European Rapid Championship | E15 Queen's Indian |
| 9. Karol Kacprzak vs J Fus |
| 0-1 | 32 | 2021 | European Rapid Championship | B12 Caro-Kann Defense |
| 10. Karol Kacprzak vs T Balacek |
| 1-0 | 35 | 2021 | European Rapid Championship | C12 French, McCutcheon |
| 11. Y Zamekhovskiy vs Karol Kacprzak |
| ½-½ | 56 | 2022 | European Blitz Chess Championship | A57 Benko Gambit |
| 12. P Rekuc vs Karol Kacprzak |
| 1-0 | 52 | 2022 | European Blitz Chess Championship | B81 Sicilian, Scheveningen, Keres Attack |
| 13. Karol Kacprzak vs Y Zamekhovskiy |
| 1-0 | 48 | 2022 | European Blitz Chess Championship | B12 Caro-Kann Defense |
| 14. Karol Kacprzak vs T Povilaitis |
| 1-0 | 38 | 2022 | European Blitz Chess Championship | B32 Sicilian |
| 15. T Povilaitis vs Karol Kacprzak |
| 0-1 | 57 | 2022 | European Blitz Chess Championship | B23 Sicilian, Closed |
| 16. V Dragnev vs Karol Kacprzak |
| 1-0 | 51 | 2022 | European Blitz Chess Championship | B23 Sicilian, Closed |
| 17. Karol Kacprzak vs V Dragnev |
| 0-1 | 90 | 2022 | European Blitz Chess Championship | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 18. Karol Kacprzak vs M Redzisz |
| 0-1 | 41 | 2022 | European Blitz Chess Championship | B12 Caro-Kann Defense |
| 19. M Redzisz vs Karol Kacprzak |
| 0-1 | 35 | 2022 | European Blitz Chess Championship | E00 Queen's Pawn Game |
| 20. I Sidletskiy vs Karol Kacprzak |
| 0-1 | 67 | 2022 | European Blitz Chess Championship | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 21. Karol Kacprzak vs I Sidletskiy |
| 1-0 | 77 | 2022 | European Blitz Chess Championship | C02 French, Advance |
| 22. Karol Kacprzak vs P Rekuc |
| 1-0 | 65 | 2022 | European Blitz Chess Championship | B32 Sicilian |
| 23. G Nasuta vs Karol Kacprzak |
| 1-0 | 41 | 2022 | European Blitz Chess Championship | B84 Sicilian, Scheveningen |
| 24. Karol Kacprzak vs G Nasuta |
| 0-1 | 20 | 2022 | European Blitz Chess Championship | B29 Sicilian, Nimzovich-Rubinstein |
| 25. Karol Kacprzak vs J Koscielski |
| 1-0 | 50 | 2022 | European Blitz Chess Championship | B11 Caro-Kann, Two Knights, 3...Bg4 |
Kibitzing
