| Dec 30, 2023 | Illia Nyzhnyk | ½–½ | Steven C Zierk | Round 9: Illia Nyzhnyk - Steven C Zierk | Queen's Gambit Declined: Modern Variation | |
| Dec 29, 2023 | Jianchao Zhou | ½–½ | Illia Nyzhnyk | Round 7: Jianchao Zhou - Illia Nyzhnyk | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Dec 29, 2023 | Illia Nyzhnyk | ½–½ | Alexander Ross Katz | Round 6: Illia Nyzhnyk - Alexander Ross Katz | Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense, Blockade Line | |
| Dec 28, 2023 | Illia Nyzhnyk | ½–½ | Andrei Macovei | Round 5: Illia Nyzhnyk - Andrei Macovei | Scotch Game: Mieses Variation | |
| Dec 26, 2023 | Eugene Yanayt | ½–½ | Illia Nyzhnyk | Round 1: Eugene Yanayt - Illia Nyzhnyk | King's Indian Defense: Semi-Averbakh System | |
| Dec 22, 2023 | Illia Nyzhnyk | 1–0 | Grayson Rorrer | Round 9: Illia Nyzhnyk - Grayson Rorrer | Sicilian Defense: Najdorf Variation, English Attack | |
| Dec 21, 2023 | Yiping Lou | ½–½ | Illia Nyzhnyk | Round 8: Yiping Lou - Illia Nyzhnyk | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Dec 18, 2023 | Illia Nyzhnyk | 0–1 | Tianqi Wang | Round 3: Illya Nyzhnyk - Tianqi Wang | Queen's Gambit Declined: Miles Variation | |
| Jul 4, 2023 | Illia Nyzhnyk | ½–½ | Ezra Chambers | 51st Annual World Open | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jul 4, 2023 | Linden Lee | 0–1 | Illia Nyzhnyk | 51st Annual World Open | Old Indian Defense | |
| Jul 3, 2023 | Illia Nyzhnyk | ½–½ | Tanitoluwa Adewumi | 51st Annual World Open | Catalan Opening | |
| Jul 3, 2023 | Daniel Girsh | 0–1 | Illia Nyzhnyk | 51st Annual World Open | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Jul 2, 2023 | Illia Nyzhnyk | ½–½ | Eric Liu | 51st Annual World Open | Sicilian Defense: Modern Variations | |
| Jul 2, 2023 | Brewington Hardaway | 1–0 | Illia Nyzhnyk | 51st Annual World Open | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jul 1, 2023 | Illia Nyzhnyk | ½–½ | Ryo Chen | 51st Annual World Open | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Jun 30, 2023 | Illia Nyzhnyk | 1–0 | Jonathan Subervi | 51st Annual World Open | Catalan Opening | |
| Jun 18, 2023 | Illia Nyzhnyk | ½–½ | Mikhail Antipov | Las Vegas National Open 2023 | Queen's Gambit Declined: Three Knights Variation | |
| Jun 18, 2023 | Fidel Corrales Jimenez | 0–1 | Illia Nyzhnyk | Las Vegas National Open 2023 | Sicilian Defense: Najdorf Variation | |
| Jun 18, 2023 | Illia Nyzhnyk | 0–1 | Meriam Leopoldo | Round 1: Illia Nyzhnyk - Meriam Leopoldo | Queen's Pawn Game | |
| Jun 17, 2023 | Illia Nyzhnyk | ½–½ | Brandon Jacobson | Las Vegas National Open 2023 | Queen's Gambit Declined: Barmen Variation | |
| Jun 17, 2023 | Hans Niemann | ½–½ | Illia Nyzhnyk | Las Vegas National Open 2023 | Semi-Slav Defense: Quiet Variation | |
| Jun 17, 2023 | Illia Nyzhnyk | 1–0 | Andrew Hong | Las Vegas National Open 2023 | English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation | |
| Jun 16, 2023 | Zaven Andriasian | ½–½ | Illia Nyzhnyk | Las Vegas National Open 2023 | Petrov's Defense: Nimzowitsch Attack | |
| Jun 16, 2023 | Illia Nyzhnyk | 1–0 | Sam Schmakel | Las Vegas National Open 2023 | Indian Defense: King's Indian Variation, Fianchetto Variation | |
| Jun 15, 2023 | Samrug Narayanan | 0–1 | Illia Nyzhnyk | Las Vegas National Open 2023 | Modern Defense: Gurgenidze Defense | |
| Jun 15, 2023 | Illia Nyzhnyk | 1–0 | Nitish Nathan | Round 1: Illia Nyzhnyk - Nitish Nathan | Slav Defense: Exchange Variation | |
| Dec 30, 2023 | Illia Nyzhnyk | 1–0 | Zhaozhi Li | 33rd Annual North American Open | Caro-Kann Defense: Endgame Offer | |
| Dec 28, 2023 | Dylan Tang | 0–1 | Illia Nyzhnyk | 33rd Annual North American Open | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| Dec 26, 2023 | Annie Wang | * | Illia Nyzhnyk | 33rd Annual North American Open | ? | |
| Aug 7, 2022 | Illia Nyzhnyk | 0–1 | Elshan Moradiabadi | Round 15: Illia Nyzhnyk - Elshan Moradiabadi | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Aug 7, 2022 | Illia Nyzhnyk | 1–0 | Samuel A Schmakel | Round 14: Illia Nyzhnyk - Samuel A Schmakel | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Jun 12, 2022 | Emilio Emilio Cordova Daza | ½–½ | Illia Nyzhnyk | Round 9: Emilio Emilio Cordova Daza - Illia Nyzhnyk | King's Indian Attack: Symmetrical Defense | |
| Jun 12, 2022 | Illia Nyzhnyk | 1–0 | Siddarth Meenakshi Sundaram | Round 8: Illia Nyzhnyk - Siddarth Meenakshi Sundaram | English Opening: Symmetrical Variation, Four Knights Variation | |
| Jun 11, 2022 | Semen Khanin | ½–½ | Illia Nyzhnyk | Round 7: Semen Khanin - Illia Nyzhnyk | Caro-Kann Defense: Endgame Offer | |
| Jun 11, 2022 | Illia Nyzhnyk | 1–0 | Shelev Oberoi | Round 6: Illia Nyzhnyk - Shelev Oberoi | Queen's Gambit Accepted: Classical Defense, Main Line | |
| Jun 11, 2022 | Milind Maiti | 0–1 | Illia Nyzhnyk | Round 5: Milind Maiti - Illia Nyzhnyk | Queen's Gambit Accepted: Central Variation, Alekhine System | |
| Jun 10, 2022 | Illia Nyzhnyk | ½–½ | Bach Ngo | Round 4: Illia Nyzhnyk - Bach Ngo | English Opening: Mikenas-Carls Variation | |
| Jun 10, 2022 | James Altucher | 0–1 | Illia Nyzhnyk | Round 3: James Altucher - Illia Nyzhnyk | Sicilian Defense: Kan Variation, Knight Variation | |
| Jun 9, 2022 | Illia Nyzhnyk | 1–0 | Zoey Tang | Round 1: Illia Nyzhnyk - Zoey Tang | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Oct 22, 2021 | Illia Nyzhnyk | 1–0 | Justus Williams | Round 9: Illia Nyzhnyk - Justus Williams | Queen's Gambit Declined | |
| Oct 21, 2021 | Jose Martinez | ½–½ | Illia Nyzhnyk | Round 8: Jose Martinez - Illia Nyzhnyk | Petrov's Defense: Classical Attack, Staunton Variation | |
| Oct 21, 2021 | Illia Nyzhnyk | 1–0 | Brandon Jacobson | Round 7: Illia Nyzhnyk - Brandon Jacobson | Indian Defense: Anti-Nimzo-Indian | |
| Oct 20, 2021 | Dimitar Mardov | 0–1 | Illia Nyzhnyk | Round 6: Dimitar Mardov - Illia Nyzhnyk | Indian Defense: Przepiorka Variation | |
| Oct 19, 2021 | Illia Nyzhnyk | ½–½ | Benjamin Gledura | Round 5: Illia Nyzhnyk - Benjamin Gledura | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Oct 19, 2021 | Yuniesky Quesada Perez | ½–½ | Illia Nyzhnyk | Round 4: Yuniesky Quesada Perez - Illia Nyzhnyk | Petrov's Defense: Modern Attack, Center Variation | |
| Oct 19, 2021 | Illia Nyzhnyk | ½–½ | Christopher Yoo | Round 3: Illia Nyzhnyk - Christopher Yoo | Nimzo-Indian Defense: Classical Variation, Berlin Variation, Pirc Variation | |
| Oct 18, 2021 | Aleksandr Ostrovsky | 0–1 | Illia Nyzhnyk | Round 2: Aleksandr Ostrovsky - Illia Nyzhnyk | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Oct 17, 2021 | Illia Nyzhnyk | 1–0 | Jonathan Chen | Round 1: Illia Nyzhnyk - Jonathan Chen | Queen's Gambit Declined: Three Knights, Vienna Variation | |
| Jun 17, 2021 | Nicholas F F Matta | 0–1 | Illia Nyzhnyk | Round 1: Nicholas F F Matta - Illia Nyzhnyk | Queen's Gambit Accepted: Classical Defense, Alekhine System, Main Line | |