| Nov 2, 2025 | Sunea | ½–½ | Jankowiak | Benidorm Chess Open A 2025 | Nimzo-Larsen Attack: Classical Variation | |
| Oct 31, 2025 | Stachanczyk | 1–0 | Jankowiak | Benidorm Chess Open A 2025 | Pirc Defense | |
| Oct 29, 2025 | Jankowiak | 1–0 | Fernandez Manrique | Benidorm Chess Open A 2025 | Yusupov-Rubinstein System | |
| Oct 28, 2025 | Sofronie | 1–0 | Jankowiak | Benidorm Chess Open A 2025 | Queen's Pawn Game: Accelerated London System | |
| Sep 14, 2025 | Jankowiak | 1–0 | Laszewicz | I Liga 6-10 | Trompowsky Attack | |
| Sep 13, 2025 | Jankowiak | 1–0 | Sendera | I Liga 6-10 | Trompowsky Attack | |
| Sep 12, 2025 | Jankowiak | ½–½ | Kucharski | I Liga 6-10 | Sicilian Defense: Prins Variation, Venice Attack | |
| Sep 11, 2025 | Demianowicz | 1–0 | Jankowiak | I Liga 6-10 | Petrov's Defense: Classical Attack, Marshall Variation | |
| Sep 10, 2025 | Jankowiak | ½–½ | Skrzypczak | I Liga 6-10 | Trompowsky Attack: Classical Defense | |
| Sep 7, 2025 | Jankowiak | 0–1 | Szyszylo | I Liga 1-5 | Pirc Defense: Byrne Variation | |
| Sep 6, 2025 | Wandor | ½–½ | Jankowiak | I Liga 1-5 | Petrov's Defense: Modern Attack, Center Variation | |
| Jul 20, 2025 | Zeman | 1–0 | Jankowiak | Round 7: Zeman, Matyas - Jankowiak, Piotr | Petrov's Defense: Kaufmann Attack | |
| Jul 20, 2025 | Jankowiak | 0–1 | Hlavina | Round 6: Jankowiak, Piotr - Hlavina, Matous | Trompowsky Attack: Raptor Variation | |
| Jul 19, 2025 | Jankowiak | ½–½ | Fuksik | Round 5: Jankowiak, Piotr - Fuksik, Jakub | Queen's Pawn Game: London System | |
| Jul 19, 2025 | Nytra | ½–½ | Jankowiak | Round 4: Nytra, Ondrej - Jankowiak, Piotr | Four Knights Game | |
| Sep 8, 2024 | Pacuszka | 1–0 | Jankowiak | DMP II LIga 2024 1 | Van Geet Opening | |
| Sep 7, 2024 | Chaczynski | 1–0 | Jankowiak | DMP II LIga 2024 1 | Petrov's Defense: Kaufmann Attack | |
| Sep 6, 2024 | Jankowiak | 1–0 | Zareba | DMP II LIga 2024 1 | Tarrasch Defense: Symmetrical Variation | |
| Sep 5, 2024 | Jankowiak | ½–½ | Liskiewicz | DMP II LIga 2024 1 | Trompowsky Attack | |
| Sep 4, 2024 | Chiszko | 1–0 | Jankowiak | DMP II LIga 2024 1 | Slav Defense: Chebanenko Variation, Advance System | |
| Sep 3, 2024 | Sokolowski | 1–0 | Jankowiak | DMP II LIga 2024 1 | King's Indian Attack | |
| Sep 2, 2024 | Jankowiak | ½–½ | Smagalski | DMP II LIga 2024 1 | Four Knights Game | |
| Sep 1, 2024 | Klys | 0–1 | Jankowiak | DMP II LIga 2024 1 | Queen's Gambit Declined: Harrwitz Attack | |
| Jul 27, 2024 | Escobar Forero | 1–0 | Jankowiak | XLVIII Open Internacional Vila de Sitges | Petrov's Defense: Kaufmann Attack | |
| Jul 12, 2024 | Jun | 1–0 | Jankowiak | Round 2: Jun, Rudolf - Jankowiak, Piotr | Vienna Game: Paulsen Variation | |
| Jun 15, 2024 | Amar | 1–0 | Jankowiak | Round 1: Amar, Elham - Jankowiak, Piotr | Petrov's Defense: Classical Attack, Marshall Variation | |
| Jun 2, 2024 | Golenia | ½–½ | Jankowiak | GRA | Zukertort Opening: Nimzo-Larsen Variation | |
| Jun 1, 2024 | Cernov | ½–½ | Jankowiak | GRA | Petrov's Defense: Karklins-Martinovsky Variation | |
| May 31, 2024 | Jankowiak | 0–1 | Mis | GRA | Caro-Kann Defense: Karpov Variation, Modern Variation, Kasparov Attack | |
| May 31, 2024 | Trybus | 0–1 | Jankowiak | GRA | Petrov's Defense | |
| Oct 31, 2024 | Jankowiak | 0–1 | Garcia Fernandez | Ronda 5: Jankowiak, Piotr - Garcia Fernandez, Victor | Trompowsky Attack | |
| Oct 27, 2024 | Jankowiak | 0–1 | Diaz Velandia | Ronda 1: Jankowiak, Piotr - Diaz Velandia, Jose Manuel | Sicilian Defense: Godiva Variation | |
| Aug 7, 2022 | Grabarczyk | ½–½ | Jankowiak | Wro - A | Slav Defense: Quiet Variation | |
| Aug 6, 2022 | Jankowiak | ½–½ | Meftahi | Wro - A | Modern Defense: Two Knights Variation, Suttles Variation | |
| Aug 5, 2022 | Bogdanov | 1–0 | Jankowiak | Wro - A | Bishop's Opening: Vienna Hybrid | |
| Aug 4, 2022 | Jankowiak | 1–0 | Jankowiak | Wro - A | Semi-Slav Defense: Chigorin Defense | |
| Aug 3, 2022 | Grot | 0–1 | Jankowiak | Wro - A | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| Aug 2, 2022 | Jankowiak | 1–0 | Jankowski | Wro - A | Trompowsky Attack: Classical Defense | |
| Aug 1, 2022 | Czarniecka | 1–0 | Jankowiak | Wro - A | Philidor Defense: Lion Variation, Lion's Claw, with Bc4 and h6 | |
| Jul 31, 2022 | Jankowiak | 1–0 | Smietanska | Wro - A | Queen's Pawn Game: London System | |
| Jul 31, 2022 | Razin | 1–0 | Jankowiak | Wro - A | Slav Defense: Geller Gambit | |
| Oct 30, 2021 | Jankowiak | 1–0 | Trybus | Polish Championship Qualifier | Trompowsky Attack: Classical Defense | |
| Oct 29, 2021 | Gajdzica | 0–1 | Jankowiak | Polish Championship Qualifier | Petrov's Defense: Millennium Attack | |
| Oct 28, 2021 | Rozumek | 0–1 | Jankowiak | Polish Championship Qualifier | Nimzo-Larsen Attack: Classical Variation | |
| Oct 27, 2021 | Jankowiak | 0–1 | Goluch | Polish Championship Qualifier | Queen's Gambit Declined: Vienna Variation, Quiet Variation | |
| Oct 27, 2021 | Rog | ½–½ | Jankowiak | Polish Championship Qualifier | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Oct 26, 2021 | Jankowiak | 0–1 | Kujawski | Polish Championship Qualifier | Trompowsky Attack: Classical Defense | |
| Oct 25, 2021 | Mickiewicz | ½–½ | Jankowiak | Polish Championship Qualifier | Petrov's Defense: French Attack | |
| Oct 24, 2021 | Jankowiak | * | Marciniak | Polish Championship Qualifier | Trompowsky Attack | |
| Oct 24, 2021 | Lewtak | 1–0 | Jankowiak | Polish Championship Qualifier | Queen's Pawn Game: Symmetrical Variation | |
| Sep 12, 2021 | Jankowiak | ½–½ | Hemmerling | Polish League Division 1 | Petrov's Defense: Nimzowitsch Attack | |
| Sep 11, 2021 | Jankowiak | ½–½ | Sernecki | Polish League Division 1 | Caro-Kann Defense: Karpov Variation | |
| Sep 10, 2021 | Jarzebowski | 1–0 | Jankowiak | Polish League Division 1 | English Opening: Anglo-Indian Defense | |
| Sep 8, 2021 | Jankowiak | 0–1 | Golda | Polish League Division 1 | Benoni Defense: Old Benoni | |
| Sep 7, 2021 | Chylewski | 1–0 | Jankowiak | Polish League Division 1 | Petrov's Defense: Modern Attack | |
| Sep 6, 2021 | Jankowiak | 0–1 | Kaliszuk | Polish League Division 1 | Sicilian Defense: Nimzowitsch Variation, Exchange Variation | |
| Sep 5, 2021 | Kanarkiewicz | ½–½ | Jankowiak | Polish League Division 1 | Ruy Lopez: Morphy Defense, Wormald Attack | |
| Sep 4, 2021 | Jankowiak | 0–1 | Jasnikowski | Polish League Division 1 | Trompowsky Attack | |
| Aug 21, 2021 | Dziewonski | 1–0 | Jankowiak | OPEN A | Pirc Defense | |
| Aug 19, 2021 | Giacomini | 1–0 | Jankowiak | OPEN A | English Opening: Agincourt Defense, Wimpy System | |
| Aug 17, 2021 | Zalega | ½–½ | Jankowiak | OPEN A | Scandinavian Defense: Valencian Variation | |
| Aug 16, 2021 | Jankowiak | ½–½ | Paszkowski | OPEN A | Trompowsky Attack: Classical Defense | |
| Aug 15, 2021 | Bojczewski | 0–1 | Jankowiak | OPEN A | Four Knights Game: Scotch Variation, Schmid Defense | |
| Aug 14, 2021 | Jankowiak | 0–1 | Nasuta | OPEN A | Indian Defense | |
| Jan 4, 2021 | Jankowiak | ½–½ | Ruhland | Cracovia 2020 Open B | Queen's Pawn Game: Accelerated London System | |
| Jan 3, 2021 | Derylo | 0–1 | Jankowiak | Cracovia 2020 Open B | Trompowsky Attack | |
| Dec 31, 2020 | Jankowiak | ½–½ | Golenia | Cracovia 2020 Open B | Indian Defense | |
| Dec 30, 2020 | Gorkiewicz | ½–½ | Jankowiak | Cracovia 2020 Open B | Four Knights Game: Gunsberg Variation | |
| Dec 29, 2020 | Jankowiak | 1–0 | Swider | Cracovia 2020 Open B | Queen's Pawn Game: Accelerated London System | |
| Dec 28, 2020 | Warchol | 0–1 | Jankowiak | Cracovia 2020 Open B | Philidor Defense: Lion Variation, Lion's Claw, with Be2 and c6 | |