| Jun 27, 2024 | Mytych | 1–0 | Marciniak | Krakow B | King's Indian Attack | |
| Jun 26, 2024 | Marciniak | 0–1 | Gbyl | Krakow B | English Opening: Symmetrical Variation, Anti-Benoni Variation | |
| Jun 25, 2024 | Przybylski | 0–1 | Marciniak | Krakow B | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| Oct 31, 2023 | Suska | 1–0 | Marciniak | IMP Mezczyzn do lat 20 | Semi-Slav Defense | |
| Oct 30, 2023 | Marciniak | 0–1 | Redzisz | IMP Mezczyzn do lat 20 | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Oct 29, 2023 | Zieba | ½–½ | Marciniak | IMP Mezczyzn do lat 20 | Queen's Gambit Accepted: Classical Defense, Alekhine System | |
| Oct 28, 2023 | Marciniak | 1–0 | Haladaj | IMP Mezczyzn do lat 20 | English Opening: Symmetrical Variation, Anti-Benoni Variation | |
| Oct 27, 2023 | Kacprzak | 1–0 | Marciniak | IMP Mezczyzn do lat 20 | Ruy Lopez: Berlin Defense | |
| Oct 26, 2023 | Marciniak | 1–0 | Labedz | IMP Mezczyzn do lat 20 | Dutch Defense: Raphael Variation | |
| Oct 25, 2023 | Marciniak | 0–1 | Zalega | IMP Mezczyzn do lat 20 | Indian Defense: Anti-Grünfeld, Advance Variation | |
| Oct 25, 2023 | Golecki | 0–1 | Marciniak | IMP Mezczyzn do lat 20 | King's Knight Opening: Konstantinopolsky | |
| Oct 24, 2023 | Meers | 1–0 | Marciniak | IMP Mezczyzn do lat 20 | Nimzo-Larsen Attack: Classical Variation | |
| Dec 17, 2022 | Marciniak | 0–1 | Adams | European Rapid Chess Championship 2022 | Catalan Opening: Open Defense | |
| Dec 16, 2022 | Marciniak | 0–1 | Licznerski | Katowice | Grünfeld Defense: Russian Variation, Byrne Variation | |
| Dec 16, 2022 | Licznerski | 1–0 | Marciniak | Katowice | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Dec 13, 2021 | Chylewski | 0–1 | Marciniak | IMP20b | Indian Defense: Anti-Grünfeld, Advance Variation | |
| Dec 12, 2021 | Marciniak | 1–0 | Stefaniuk | IMP20b | Ruy Lopez: Exchange Variation, Alapin Gambit | |
| Dec 11, 2021 | Marciniak | 1–0 | Bojczewski | IMP20b | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Dec 10, 2021 | Kocierz | 1–0 | Marciniak | IMP20b | King's Indian Attack: Symmetrical Defense | |
| Dec 9, 2021 | Maciejewski | 1–0 | Marciniak | IMP20b | King's Indian Attack | |
| Dec 8, 2021 | Marciniak | ½–½ | Paprocki | U20 Polish Youth Championship | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Dec 7, 2021 | Redzisz | 1–0 | Marciniak | IMP20b | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| Dec 6, 2021 | Marciniak | ½–½ | Jedrusik | IMP20b | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Dec 6, 2021 | Dalkowski | 1–0 | Marciniak | IMP20b | Grünfeld Defense: Brinckmann Attack | |
| Oct 30, 2021 | Marciniak | 0–1 | Topola | Polish Championship Qualifier | Caro-Kann Defense: Two Knights Attack | |
| Oct 29, 2021 | Malek | 1–0 | Marciniak | Polish Championship Qualifier | French Defense: Winawer Variation, Delayed Exchange Variation | |
| Oct 28, 2021 | Marszk | ½–½ | Marciniak | Polish Championship Qualifier | King's Indian Attack: Yugoslav Variation | |
| Oct 27, 2021 | Marciniak | ½–½ | Bogusz | Polish Championship Qualifier | Sicilian Defense: Moscow Variation | |
| Oct 27, 2021 | Hemmerling | ½–½ | Marciniak | Polish Championship Qualifier | King's Indian Attack: Symmetrical Defense | |
| Oct 26, 2021 | Marciniak | 0–1 | Krawczyk | Polish Championship Qualifier | Sicilian Defense: Moscow Variation | |
| Oct 24, 2021 | Marciniak | 0–1 | Dalkowski | Polish Championship Qualifier | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Oct 24, 2021 | Jankowiak | * | Marciniak | Polish Championship Qualifier | Trompowsky Attack | |