| Jun 29, 2026 | Korniichuk | 0–1 | Vykouk | FIDE OPEN QCC | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Apr 19, 2026 | Korniichuk | 0–1 | Rudzinska | EIIC 2026 | Caro-Kann Defense: Tartakower Variation | |
| Apr 18, 2026 | Celik | 1–0 | Korniichuk | EIIC 2026 | Scotch Game: Classical Variation, Intermezzo Variation | |
| Apr 16, 2026 | Korniichuk | ½–½ | Saraci | EIIC 2026 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Apr 15, 2026 | Przybylski | ½–½ | Korniichuk | EIIC 2026 | Sicilian Defense: Closed, Traditional | |
| Apr 14, 2026 | Korniichuk | 0–1 | Rekuc | EIIC 2026 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Apr 13, 2026 | Krasniewski | 0–1 | Korniichuk | EIIC 2026 | Bogo-Indian Defense: Grünfeld Variation | |
| Apr 12, 2026 | Korniichuk | 1–0 | Demiroz | EICC 2026 | Zukertort Opening: Nimzo-Larsen Variation | |
| Apr 10, 2026 | Goderdzishvili | 1–0 | Korniichuk | EIIC 2026 | Sicilian Defense: Old Sicilian | |
| Apr 9, 2026 | Korniichuk | ½–½ | Piddubna | EIIC 2026 | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Apr 8, 2026 | Ilko-Toth | ½–½ | Korniichuk | EIIC 2026 | Indian Defense: Knights Variation | |
| Apr 7, 2026 | Korniichuk | 0–1 | Sowinski | EIIC 2026 | Caro-Kann Defense: Tartakower Variation | |
| Feb 26, 2026 | Korniichuk | 1–0 | Nevednichy | PICF 2026 - KAREL JANECEK Open | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| Jan 14, 2026 | Mueer | ½–½ | Korniichuk | Prague Open 2026 - A IM Open | King's Indian Defense: Normal Variation, Rare Defenses | |
| Jan 12, 2025 | Fizer | 1–0 | Korniichuk | praha2025 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jan 11, 2025 | Marek | 1–0 | Korniichuk | praha2025 | Indian Defense: London System | |
| Dec 21, 2024 | Kulovana | ½–½ | Korniichuk | Round 4: Kulovana, Eva - Korniichuk, Oleksandra | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Aug 7, 2024 | Korniichuk | 0–1 | Soural | Letni Praha 2024 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jan 6, 2024 | Korniichuk | 0–1 | Stanojevic | Open Praha 2024 A | Sicilian Defense | |
| Dec 21, 2024 | Korniichuk | 1–0 | Movsesian | Round 3: Korniichuk, Oleksandra - Movsesian, Julia | Pirc Defense | |
| Dec 21, 2024 | Rodshtein | 1–0 | Korniichuk | Round 5: Rodshtein, Tereza - Korniichuk, Oleksandra | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | |
| Dec 21, 2024 | Sikorova | 1–0 | Korniichuk | Round 14: Sikorova, Olga - Korniichuk, Oleksandra | English Opening: King's English Variation | |
| Sep 1, 2023 | Meca | 0–1 | Korniichuk | POHÁR města Říčany 2023 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Aug 26, 2023 | Korniichuk | 1–0 | Cizek | POHÁR města Říčany 2023 | Sicilian Defense | |
| Jan 13, 2023 | Gortemaker | 1–0 | Korniichuk | Prague Open | Czech Tour | ? | |
| Jan 12, 2023 | Korniichuk | * | Sembera | Prague Open | Czech Tour | ? | |
| Jan 10, 2023 | Korniichuk | * | Zielonka | Prague Open | Czech Tour | ? | |
| Jan 6, 2023 | Warchol | 1–0 | Korniichuk | Prague Open | Czech Tour | ? | |
| Aug 15, 2022 | Korniichuk | 0–1 | Muzika | Olomouc 2022 | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Aug 14, 2022 | Korniichuk | 1–0 | Hrabal | Olomouc 2022 | Italian Game: Giuoco Pianissimo, Normal | |
| — | Toman | 1–0 | Korniichuk | Open Letni Praha 2025 | English Opening: King's English Variation | |
