| Sep 7, 2025 | Iwanczuk | ½–½ | Mondrzycki | 2 liga 2025 2 | King's Indian Defense: Normal Variation | |
| Sep 6, 2025 | Marszalek | ½–½ | Iwanczuk | 2 liga 2025 2 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Sep 5, 2025 | Iwanczuk | 1–0 | Stanisz | 2 liga 2025 2 | Dutch Defense: Leningrad Variation, Warsaw Variation | |
| Sep 4, 2025 | Renkowski | 1–0 | Iwanczuk | 2 liga 2025 2 | Four Knights Game: Gunsberg Variation | |
| Sep 3, 2025 | Brodowski | 1–0 | Iwanczuk | 2 liga 2025 2 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Sep 2, 2025 | Iwanczuk | 0–1 | Sushchov | 2 liga 2025 2 | French Defense: Advance Variation | |
| Sep 1, 2025 | Iwanczuk | 1–0 | Krzewski | 2 liga 2025 2 | Semi-Slav Defense: Marshall Gambit, Main Line | |
| Jul 27, 2025 | Iwanczuk | ½–½ | Karut | A | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jul 26, 2025 | Lewtak | ½–½ | Iwanczuk | A | English Opening: Symmetrical Variation, Four Knights Variation | |
| Jul 25, 2025 | Iwanczuk | 1–0 | Matskevich | A | Sicilian Defense: Najdorf Variation, Main Line | |
| Jul 24, 2025 | Iwanczuk | 1–0 | Wolak | A | Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation | |
| Jul 23, 2025 | Hury | 1–0 | Iwanczuk | A | Blackmar-Diemer Gambit: Reversed Albin Countergambit | |
| Jul 22, 2025 | Iwanczuk | ½–½ | Wieczorek | A | Modern Defense | |
| Jul 21, 2025 | Trochimczuk | ½–½ | Iwanczuk | A | Queen's Gambit Declined: Barmen Variation | |
| Jul 20, 2025 | Iwanczuk | 0–1 | Nasuta | A | King's Indian Attack | |
| Jul 19, 2025 | Krasniewski | 0–1 | Iwanczuk | A | Queen's Gambit Declined: Barmen Variation | |
| Jan 4, 2025 | Iwanczuk | ½–½ | Mondrzycki | Cracovia 2024 | Sicilian Defense: Delayed Alapin Variation | |
| Jan 3, 2025 | Podolskyi | ½–½ | Iwanczuk | Cracovia 2024 | Queen's Gambit Declined: Barmen Variation | |
| Jan 2, 2025 | Iwanczuk | ½–½ | Hury | Cracovia 2024 | King's Indian Defense: Semi-Averbakh System | |
| Dec 31, 2024 | Zheng | ½–½ | Iwanczuk | Cracovia 2024 | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Dec 30, 2024 | Iwanczuk | ½–½ | Dylong | Cracovia 2024 | French Defense: Advance Variation | |
| Dec 30, 2024 | Vagman | ½–½ | Iwanczuk | Cracovia 2024 | Ruy Lopez: Morphy Defense, Tarrasch Variation | |
| Dec 29, 2024 | Iwanczuk | ½–½ | Ramirez Garcia | Cracovia 2024 | Caro-Kann Defense: Endgame Offer | |
| Dec 28, 2024 | Firman | ½–½ | Iwanczuk | Cracovia 2024 | Ruy Lopez: Morphy Defense, Classical Defense Deferred | |
| Dec 27, 2024 | Iwanczuk | ½–½ | Krawczyk | Cracovia 2024 | Caro-Kann Defense: Endgame Offer | |
| Sep 8, 2024 | Iwanczuk | ½–½ | Markowski | 2liga-3 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Sep 6, 2024 | Klim | ½–½ | Iwanczuk | 2liga-3 | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Sep 5, 2024 | Iwanczuk | 0–1 | Szmyd | 2liga-2 | French Defense: Advance Variation, Paulsen Attack | |
| Sep 4, 2024 | Zaskalski | ½–½ | Iwanczuk | 2liga-2 | English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation | |
| Sep 3, 2024 | Iwanczuk | 1–0 | Lisowski | 2liga-3 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Aug 25, 2024 | Dziewonski | ½–½ | Iwanczuk | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN A | Four Knights Game: Scotch Variation Accepted | |
| Aug 24, 2024 | Iwanczuk | ½–½ | Kowalczyk | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN A | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Aug 23, 2024 | Iwanczuk | 1–0 | Kiss | rubinstein24-a1 | English Opening | |
| Aug 22, 2024 | Cernov | ½–½ | Iwanczuk | rubinstein24-a1 | Ruy Lopez: Morphy Defense, Tarrasch Variation | |
| Aug 21, 2024 | Iwanczuk | 0–1 | Czernek | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN A | Sicilian Defense: Najdorf Variation | |
| Aug 20, 2024 | Trzebinski | 0–1 | Iwanczuk | rubinstein24-a1 | Italian Game: Giuoco Pianissimo, Normal | |
| Aug 19, 2024 | Iwanczuk | 1–0 | Pietruszewski | rubinstein24-a1 | Caro-Kann Defense: Endgame Variation | |
| Aug 18, 2024 | Nicolas | 0–1 | Iwanczuk | rubinstein24-a1 | Zukertort Opening | |
| Aug 17, 2024 | Iwanczuk | 0–1 | Eggink | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN A | Sicilian Defense: Four Knights Variation | |
| Jul 1, 2024 | Iwanczuk | 1–0 | Seredyn | XV Międzynarodowy Turniej Szachowy im. Jana Zukertorta - Lublin 2023 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 4, 2024 | Iwanczuk | ½–½ | Klys | Round 7: Iwanczuk, Krzysztof - Klys, Kacper | English Opening: Four Knights System, Nimzowitsch Variation | |
| May 3, 2024 | Gazda | 0–1 | Iwanczuk | Round 6: Gazda, Dominik - Iwanczuk, Krzysztof | Sicilian Defense: Moscow Variation | |
| May 3, 2024 | Iwanczuk | 0–1 | Siennicki | Round 5: Iwanczuk, Krzysztof - Siennicki, Gustaw | King's Indian Attack: Symmetrical Defense | |
| May 2, 2024 | Golecki | ½–½ | Iwanczuk | Round 4: Golecki, Jan - Iwanczuk, Krzysztof | Ruy Lopez: Morphy Defense | |
| May 2, 2024 | Iwanczuk | 1–0 | Tokarz | Round 3: Iwanczuk, Krzysztof - Tokarz, Izabela | Zukertort Opening: Reversed Grünfeld | |
| May 1, 2024 | Daszkiewicz | 0–1 | Iwanczuk | Round 2: Daszkiewicz, Adrian - Iwanczuk, Krzysztof | Sicilian Defense: Najdorf Variation, Main Line | |
| May 1, 2024 | Iwanczuk | 1–0 | Popczynski | Round 1: Iwanczuk, Krzysztof - Popczynski, Andrzej | Italian Game: Classical Variation, Greco Gambit, Anderssen Variation | |
| Jul 28, 2023 | Iwanczuk | 1–0 | Czuchryta | XV Międzynarodowy Turniej Szachowy im. Jana Zukertorta - Lublin 2023 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 2, 2023 | Iwanczuk | 0–1 | Bogdanov | XV Międzynarodowy Turniej Szachowy im. Jana Zukertorta - Lublin 2023 | Modern Defense: Geller's System | |
| Jul 2, 2023 | Serewa | 1–0 | Iwanczuk | XV Międzynarodowy Turniej Szachowy im. Jana Zukertorta - Lublin 2023 | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| Jul 1, 2023 | Borowik | 0–1 | Iwanczuk | XV Międzynarodowy Turniej Szachowy im. Jana Zukertorta - Lublin 2023 | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| Aug 21, 2022 | Iwanczuk | 0–1 | Nowak | 58th Rubinstein Memorial | A | Slav Defense: Breyer Variation | |
| Aug 20, 2022 | Skrzyczek | 0–1 | Iwanczuk | 58th Rubinstein Memorial | A | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Aug 19, 2022 | Smietanska | ½–½ | Iwanczuk | 58th Rubinstein Memorial | A | Sicilian Defense: Moscow Variation | |
| Aug 18, 2022 | Iwanczuk | 0–1 | Rog | 58th Rubinstein Memorial | A | Modern Defense: Standard Defense | |
| Aug 17, 2022 | Czechowski | ½–½ | Iwanczuk | 58th Rubinstein Memorial | A | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Aug 16, 2022 | Iwanczuk | 0–1 | Antoniewicz | 58th Rubinstein Memorial | A | Sicilian Defense: Löwenthal Variation | |
| Aug 15, 2022 | Iwanczuk | ½–½ | Betkowski | 58th Rubinstein Memorial | A | French Defense: Winawer Variation, Portisch-Hook Variation | |
| Aug 14, 2022 | Walkusz | 0–1 | Iwanczuk | 58th Rubinstein Memorial | A | Grünfeld Defense: Exchange Variation, Nadanian Attack | |
| Aug 13, 2022 | Paprocki | 1–0 | Iwanczuk | 58th Rubinstein Memorial | A | Queen's Gambit Accepted: Central Variation, Greco Variation | |
| Jan 4, 2022 | Iwanczuk | ½–½ | Koudounis | Cracovia 2021 B | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Jan 3, 2022 | Vishal | 0–1 | Iwanczuk | Cracovia 2021 B | Bird Opening: Dutch Variation | |
| Jan 2, 2022 | Iwanczuk | 1–0 | Mirski | Cracovia 2021 B | Sicilian Defense: Kan Variation, Modern Variation | |
| Jan 2, 2022 | Iwanczuk | 0–1 | Kumor | Cracovia 2021 B | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Dec 31, 2021 | Skurniak | 1–0 | Iwanczuk | Cracovia 2021 B | Sicilian Defense: Najdorf Variation | |
| Dec 30, 2021 | Iwanczuk | ½–½ | Fritz | Cracovia 2021 B | Alekhine Defense: Modern Variation, Main Line | |
| Dec 29, 2021 | Gromovs | ½–½ | Iwanczuk | Cracovia 2021 B | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Dec 28, 2021 | Iwanczuk | 1–0 | Gorkiewicz | Cracovia 2021 B | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Dec 27, 2021 | Golenia | 0–1 | Iwanczuk | Cracovia 2021 B | English Opening: King's English Variation, Reversed Closed Sicilian | |
| — | Iwanczuk | 1–0 | Mrozowski | XV Międzynarodowy Turniej Szachowy im. | ? | |
| — | Iwanczuk | 1–0 | Protas | wroclaw OPEN A | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| — | Iwanczuk | 0–1 | Razin | wroclaw OPEN A | French Defense: Advance Variation, Euwe Variation | |
| — | Iwanczuk | ½–½ | Grech | wroclaw OPEN A | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| — | Iwanczuk | ½–½ | Zhuk | wroclaw OPEN A | French Defense: Advance Variation, Paulsen Attack | |
| — | Iwanczuk | 0–1 | Nagly | wroclaw OPEN A | English Opening: Neo-Catalan | |
| — | Iwanczuk | 0–1 | Wydmanski | Rubinstein Chess Festival 2025 - OPEN A | King's Indian Defense: Normal Variation, Rare Defenses | |
| — | Iwanczuk | ½–½ | Sniedziewski | Rubinstein Chess Festival 2025 - OPEN A | Sicilian Defense: Hyperaccelerated Fianchetto | |
| — | Iwanczuk | ½–½ | Jankowski | Rubinstein Chess Festival 2025 - OPEN A | Caro-Kann Defense: Endgame Offer | |
| — | Iwanczuk | ½–½ | Marek | Rubinstein Chess Festival 2025 - OPEN A | Queen's Indian Accelerated | |
| — | Borowik | 1–0 | Iwanczuk | XV Międzynarodowy Turniej Szachowy im. Jana Zukertorta - Lublin 2023 | Grünfeld Defense: Three Knights Variation, Paris Variation | |
| — | Krzeszowiec | 0–1 | Iwanczuk | XV Międzynarodowy Turniej Szachowy im. Jana Zukertorta - Lublin 2023 | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| — | Wieckowski | ½–½ | Iwanczuk | wroclaw OPEN A | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | |
| — | Lambrecht | ½–½ | Iwanczuk | wroclaw OPEN A | Nimzo-Indian Defense: Classical Variation | |
| — | Dobrowolski | ½–½ | Iwanczuk | wroclaw OPEN A | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | |
| — | Klys | ½–½ | Iwanczuk | wroclaw OPEN A | Queen's Pawn Game: Symmetrical Variation | |
| — | Zeissel | ½–½ | Iwanczuk | Rubinstein Chess Festival 2025 - OPEN A | Bishop's Opening: Vienna Hybrid | |
| — | Kaminska | ½–½ | Iwanczuk | Rubinstein Chess Festival 2025 - OPEN A | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| — | Buklaho | 1–0 | Iwanczuk | Rubinstein Chess Festival 2025 - OPEN A | English Opening: King's English Variation, Three Knights System | |
| — | Wnuk | 1–0 | Iwanczuk | Rubinstein Chess Festival 2025 - OPEN A | English Opening | |