| Mar 29, 2026 | Sobol | 1–0 | Kovalchuk | Round 2: Sobol, Matvii - Kovalchuk, Victor | Sicilian Defense: Four Knights Variation | |
| Sep 22, 2024 | Kovalchuk | 1–0 | Chomczyk | Szansa Rapid 2024 | Petrov's Defense: Damiano Variation, Kholmov Gambit | |
| Sep 22, 2024 | Kovalchuk | * | Mroczkowski | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Kovalchuk | 0–1 | Kutowski | Szansa Rapid 2024 | Sicilian Defense: Closed | |
| Sep 22, 2024 | Kovalchuk | * | Flis | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Staruch | * | Kovalchuk | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Psyk | 1–0 | Kovalchuk | Szansa Rapid 2024 | Sicilian Defense: Alapin Variation | |
| Sep 22, 2024 | Brzezina | 0–1 | Kovalchuk | Szansa Rapid 2024 | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Sep 22, 2024 | Padalka | 1–0 | Kovalchuk | Szansa Rapid 2024 | Queen's Gambit Accepted: Classical Defense, Rubinstein Variation | |
| Sep 21, 2024 | Kovalchuk | 0–1 | Celinski | new tournament description | Italian Game: Paris Defense | |
| Sep 21, 2024 | Kovalchuk | * | Izafatava | new tournament description | ? | |
| Sep 21, 2024 | Licznerski | 1–0 | Kovalchuk | new tournament description | Sicilian Defense: Four Knights Variation | |
| Sep 21, 2024 | Siekanska | * | Kovalchuk | new tournament description | ? | |
| Dec 22, 2024 | Kovalchuk | 0–1 | Vetoshko | Round 2: Kovalchuk, Victor - Vetoshko, Volodymyr | Sicilian Defense: Closed | |
| Dec 14, 2024 | Oleksiyenko | ½–½ | Kovalchuk | Round 1: Oleksiyenko, Mykhaylo - Kovalchuk, Victor | Queen's Gambit Accepted: Classical Defense, Main Line | |
| Sep 30, 2023 | Herega | 1–0 | Kovalchuk | 22nd European Youth Blitz Championship 2023 - O-16 | Queen's Pawn Game: London System | |
| Dec 17, 2022 | Kovalchuk | 0–1 | Dvirnyy | European Rapid Chess Championship 2022 | Italian Game: Giuoco Piano | |
| Dec 16, 2022 | Kovalchuk | 0–1 | Livaic | European Blitz Chess Championship 2022 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Dec 16, 2022 | Kovalchuk | 0–1 | Domenech | ebrcc2022 | Nimzowitsch Defense: Williams Variation | |
| Dec 16, 2022 | Kovalchuk | 1–0 | Aksonova | ebrcc2022 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Old Line | |
| Dec 16, 2022 | Kovalchuk | 0–1 | Orzech | ebrcc2022 | French Defense: Advance Variation, Milner-Barry Gambit, Main Line | |
| Dec 16, 2022 | Livaic | 1–0 | Kovalchuk | European Blitz Chess Championship 2022 | Queen's Gambit Accepted: Classical Defense, Main Line | |
| Dec 16, 2022 | Domenech | 0–1 | Kovalchuk | ebrcc2022 | Queen's Pawn Game: Accelerated London System | |
| Dec 16, 2022 | Aksonova | ½–½ | Kovalchuk | ebrcc2022 | Sicilian Defense: Closed | |
| Dec 16, 2022 | Orzech | 1–0 | Kovalchuk | ebrcc2022 | Queen's Gambit Declined: Three Knights Variation | |
| — | Kovalchuk | 0–1 | Janik | new tournament description | Caro-Kann Defense | |
| — | Kovalchuk | 1–0 | Grochowski | new tournament description | Caro-Kann Defense: Classical Variation | |
| — | Kovalchuk | 0–1 | Jasiulewicz | new tournament description | Sicilian Defense: Closed | |
| — | Kovalchuk | * | Sabat | Szansa Rapid 2024 | ? | |
| — | Hryszkiewicz | 0–1 | Kovalchuk | new tournament description | Queen's Pawn Game: Accelerated London System | |
| — | Penza | * | Kovalchuk | new tournament description | ? | |
