| — | Pietrzak | 1–0 | Chojnacki | exe:Slovakia Open | Queen's Indian Accelerated | |
| Jan 4, 2026 | Wandor | ½–½ | Pietrzak | XXXVI Miedzynarodowy Festiwal Szachowy C | Sicilian Defense: Four Knights Variation, Cobra Variation | |
| Jan 3, 2026 | Pasti | ½–½ | Pietrzak | XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa A | Sicilian Defense: Four Knights Variation | |
| Jan 2, 2026 | Pietrzak | 1–0 | Costache | XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa A | Queen's Pawn Game: Colle System | |
| Jan 2, 2026 | Smeryk | 1–0 | Pietrzak | XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa A | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| Dec 31, 2025 | Pietrzak | ½–½ | Madajczak | XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa A | Dutch Defense: Hopton Attack | |
| Dec 29, 2025 | Smetek | 1–0 | Pietrzak | XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa A | Queen's Gambit Declined: Three Knights Variation | |
| Dec 28, 2025 | Pietrzak | 0–1 | Patil Priyanshu | XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa A | Catalan Opening: Open Defense | |
| Dec 27, 2025 | Sudarshan Bhat | 1–0 | Pietrzak | XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa A | Ruy Lopez: Cozio Defense | |
| Sep 7, 2025 | Grot | 0–1 | Pietrzak | 2 liga 2025 1 | Ruy Lopez: Cozio Defense | |
| Sep 6, 2025 | Pietrzak | ½–½ | Stepinski | 2 liga 2025 1 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Sep 5, 2025 | Maciol | ½–½ | Pietrzak | 2 liga 2025 1 | French Defense: Exchange Variation, Monte Carlo Variation | |
| Sep 4, 2025 | Turski | 1–0 | Pietrzak | 2 liga 2025 1 | Zukertort Opening: Queen's Gambit Invitation | |
| Sep 3, 2025 | Pietrzak | ½–½ | Wojdak | 2 liga 2025 1 | Queen's Pawn Game: Symmetrical Variation | |
| Sep 3, 2025 | Pietrzak | ½–½ | Rozycki | 2liga_2025_3 | Queen's Gambit Accepted: Old Variation | |
| Sep 1, 2025 | Leskiewicz | 0–1 | Pietrzak | 2 liga 2025 1 | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| Jun 2, 2025 | Pietrzak | 0–1 | Psyk | Open | Alekhine Defense: Scandinavian Variation | |
| May 31, 2025 | Pietrzak | 1–0 | Monka | Open | Queen's Gambit Declined | |
| May 31, 2025 | Ryszkowski | 0–1 | Pietrzak | Open-3 | Sicilian Defense: Drazic Variation | |
| May 31, 2025 | Pietrzak | 0–1 | El | Open | Sicilian Defense: Moscow Variation, Main Line | |
| May 31, 2025 | Wolak | 1–0 | Pietrzak | Open | Sicilian Defense: O'Kelly Variation, Venice System | |
| May 31, 2025 | Pietrzak | 0–1 | Przybyla | Open | Sicilian Defense: French Variation | |
| May 31, 2025 | Gora | 0–1 | Pietrzak | Open | Indian Defense: Normal Variation | |
| May 31, 2025 | Sanetra | 0–1 | Pietrzak | Open | Sicilian Defense: O'Kelly Variation, Wing Gambit | |
| May 31, 2025 | Bogdanov | ½–½ | Pietrzak | Open-1 | Sicilian Defense: Alapin Variation, Barmen Defense | |
| May 31, 2025 | Pietrzak | 1–0 | Lewicki | Open | Modern Defense | |
| Sep 8, 2024 | Pietrzak | 1–0 | Cap | DMP II LIga 2024 1 | Queen's Pawn Game: Modern Defense | |
| Sep 7, 2024 | Cajbel | ½–½ | Pietrzak | 2liga-2 | Bishop's Opening: Vienna Hybrid | |
| Sep 6, 2024 | Pietrzak | 1–0 | Gluszko | 2liga-2 | Grünfeld Defense: Exchange Variation, Spassky Variation | |
| Sep 5, 2024 | Kowalski | ½–½ | Pietrzak | 2liga-2 | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Sep 4, 2024 | Pietrzak | 0–1 | Kawulski-Chodkiewicz | 2liga-2 | King's Indian Attack | |
| Sep 3, 2024 | Pietrzak | ½–½ | Zawadzki | 2liga-3 | Queen's Indian Defense: Classical Variation, Traditional Variation, Main Line | |
| Sep 2, 2024 | Kukula | 1–0 | Pietrzak | 2liga-2 | Sicilian Defense: O'Kelly Variation, Venice System | |
| Sep 1, 2024 | Pietrzak | 0–1 | Smukowski | 2liga-3 | Indian Defense: Anti-Grünfeld, Basman-Williams Attack | |
| Aug 31, 2024 | Majewski | ½–½ | Pietrzak | DMP II LIga 2024 1 | Zukertort Opening: Nimzo-Larsen Variation | |
| Aug 9, 2024 | Pietrzak | 1–0 | Houska | Letni Praha 2024 | King's Indian Defense: Normal Variation | |
| Aug 8, 2024 | Sramek | 1–0 | Pietrzak | Letni Praha 2024 | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Aug 7, 2024 | Pietrzak | 1–0 | Jedlicka | Letni Praha 2024 | Catalan Opening: Open Defense | |
| Aug 5, 2024 | Pietrzak | ½–½ | Stocek | Letni Praha 2024 | Dutch Defense: Hopton Attack | |
| Aug 4, 2024 | Pietrzak | 0–1 | Pujari | Letni Praha 2024 | English Opening: Agincourt Defense, Bogoljubow Defense | |
| Sep 22, 2024 | Pietrzak | ½–½ | Cajka | exe:Slovakia Open 24 | Benoni Defense: Fianchetto Variation | |
| Sep 21, 2024 | Ciolek | ½–½ | Pietrzak | exe:Slovakia Open 24 | Catalan Opening: Closed | |
| Sep 20, 2024 | Pietrzak | ½–½ | Nissinen | exe:Slovakia Open 24 | Bogo-Indian Defense: Retreat Variation | |
| Sep 19, 2024 | Cizmar | 0–1 | Pietrzak | exe:Slovakia Open | Sicilian Defense: Four Knights Variation | |
| Sep 18, 2024 | Pietrzak | ½–½ | Gaszka | exe:Slovakia Open | Zukertort Opening | |
| Sep 17, 2024 | Nyysti | 1–0 | Pietrzak | exe:Slovakia Open 24 | Four Knights Game: Spanish Variation | |
| Sep 16, 2024 | Pietrzak | 1–0 | Smidova | exe:Slovakia Open | Dutch Defense: Hopton Attack | |
| Sep 15, 2024 | Dobrosmyslov | 1–0 | Pietrzak | exe:Slovakia Open 24 | Benoni Defense | |
| Jun 29, 2024 | Padalka | ½–½ | Pietrzak | Krakow B | Catalan Opening: Open Defense, Classical Line | |
| Jun 28, 2024 | Pietrzak | 1–0 | Mytych | Krakow B | King's Indian Defense: Normal Variation | |
| Jun 27, 2024 | Zieba | ½–½ | Pietrzak | Krakow B | Kangaroo Defense | |
| Jun 26, 2024 | Pietrzak | 1–0 | Soldo | Krakow B | Slav Indian | |
| Jun 18, 2024 | Pietrzak | ½–½ | Salgovic | MSR amaterov | King's Indian Defense: Sämisch Variation, Sämisch Gambit | |
| Jun 18, 2024 | Kratochvil | 1–0 | Pietrzak | MSR amaterov | Kangaroo Defense | |
| Jun 17, 2024 | Pietrzak | 1–0 | Straka | MSR amaterov | Catalan Opening: Closed | |
| Jun 17, 2024 | Karas | ½–½ | Pietrzak | MSR amaterov | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jun 16, 2024 | Trgina | 0–1 | Pietrzak | MSR amaterov | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jun 16, 2024 | Demeter | ½–½ | Pietrzak | MSR amaterov | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Jun 15, 2024 | Pietrzak | 1–0 | Halas | MSR amaterov | Hungarian Opening: Indian Defense | |
| Jun 15, 2024 | Pietrzak | ½–½ | Bombek | MSR amaterov | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jan 2, 2022 | Pietrzak | 0–1 | Hiren | Cracovia 2021 B | English Opening: King's English Variation, Reversed Closed Sicilian | |
| Dec 28, 2021 | Czechowski | 1–0 | Pietrzak | Cracovia 2021 B | Kangaroo Defense: Keres Defense, Transpositional Variation | |
| — | Pietrzak | 1–0 | Belau | Memorial Adolfa Anderssena 2025 | Sicilian Defense: French Variation | |
| — | Pietrzak | 1–0 | Kokurewicz | Memorial Adolfa Anderssena 2025 | Sicilian Defense: French Variation | |
| — | Pietrzak | 1–0 | Hasterok | anderssen2025 | Catalan Opening: Open Defense | |
| — | Pietrzak | 0–1 | Kozlowski | anderssen2025 | Queen's Indian Defense: Classical Variation, Traditional Variation, Main Line | |
| — | Pietrzak | 1–0 | Charczenko | Memorial Adolfa Anderssena 2025 | Bishop's Opening: Boi Variation | |
| — | Lewicki | 1–0 | Pietrzak | anderssen2025 | Ruy Lopez: Berlin Defense, Mortimer Variation | |
| — | Grunas | 0–1 | Pietrzak | Memorial Adolfa Anderssena 2025 | Sicilian Defense: O'Kelly Variation, Venice System | |
| — | Nagly | ½–½ | Pietrzak | anderssen2025 | Kangaroo Defense | |
| — | Derejczyk | 1–0 | Pietrzak | anderssen2025 | French Defense: Exchange Variation, Monte Carlo Variation | |
