| Apr 2, 2026 | Stefanou | 1–0 | Stoyko | Grenke Chess Festival 2026 Open | English Opening: Agincourt Defense | |
| Mar 29, 2026 | Stoyko | 0–1 | Sobol | Round 7: Stoyko, Oleh - Sobol, Matvii | Nimzo-Larsen Attack: Classical Variation | |
| Mar 29, 2026 | Stoyko | 0–1 | Khristovoy | Round 3: Stoyko, Oleh - Khristovoy, Dmitriy | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Mar 27, 2026 | Sobol | 1–0 | Stoyko | Round 9: Sobol, Matvii - Stoyko, Oleh | Sicilian Defense: Hyperaccelerated Dragon | |
| Mar 26, 2026 | Stoyko | ½–½ | Perepelytsya-Melnyk | Round 8: Stoyko, Oleh - Perepelytsya-Melnyk, Klim | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Mar 25, 2026 | Stoyko | ½–½ | Karvatskyi | Round 7: Stoyko, Oleh - Karvatskyi, Oleksii | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Mar 25, 2026 | Pankiv | 0–1 | Stoyko | Round 6: Pankiv, Maksym - Stoyko, Oleh | Ruy Lopez: Morphy Defense, Cozio Defense | |
| Dec 24, 2025 | Skliarov | 1–0 | Stoyko | Round 3: Skliarov, Viktor - Stoyko, Oleh | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Dec 21, 2025 | Stoyko | ½–½ | Nedilko | Round 8: Stoyko, Oleh - Nedilko, Vasily | Sicilian Defense: Najdorf Variation | |
| Dec 19, 2025 | Stoyko Oleh | 0–1 | Pankiv Maksym | Championship UKR Men`s 2025 | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation | |
| Feb 5, 2025 | Stoyko | 0–1 | Domin | Round 4: Stoyko, Oleh - Domin, Yan | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Feb 5, 2025 | Karvatskyi | ½–½ | Stoyko | Round 3: Karvatskyi, Oleksii - Stoyko, Oleh | Sicilian Defense: Snyder Variation | |
| Sep 22, 2024 | Karvatskyi | 1–0 | Stoyko | Charity Event dedicated to Sambir town | Caro-Kann Defense: Exchange Variation | |
| Sep 22, 2024 | Baziuk | ½–½ | Stoyko | Charity Event dedicated to Sambir town | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Aug 20, 2024 | Stoyko | 0–1 | Villa Tornero | EYCC 2024 Blitz O14 | Alekhine Defense: Sämisch Attack | |
| Aug 20, 2024 | Stoyko | ½–½ | Brzezina | EYCC 2024 Blitz O14 | Scotch Game: Scotch Gambit, Sarratt Variation | |
| Aug 20, 2024 | Stoyko | 0–1 | BOUSKA | EYCC 2024 Blitz O14 | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Aug 20, 2024 | Stoyko | 1–0 | Rudenko | EYCC 2024 Blitz O14 | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Aug 20, 2024 | Villa Tornero | 1–0 | Stoyko | EYCC 2024 Blitz O14 | Caro-Kann Defense: Apocalypse Attack | |
| Aug 20, 2024 | Brzezina | ½–½ | Stoyko | EYCC 2024 Blitz O14 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Aug 20, 2024 | BOUSKA | ½–½ | Stoyko | EYCC 2024 Blitz O14 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Aug 20, 2024 | Rudenko | 0–1 | Stoyko | EYCC 2024 Blitz O14 | Caro-Kann Defense: Two Knights Attack | |
| Aug 19, 2024 | Stoyko | ½–½ | Dumbelovic | EYCC 2024 Blitz O14 | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Aug 19, 2024 | Dumbelovic | 1–0 | Stoyko | EYCC 2024 Blitz O14 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Aug 18, 2024 | Stoyko | 1–0 | Grooten | EYCC 2024 Rapid O14 | Sicilian Defense: French Variation | |
| Aug 18, 2024 | Sava | 1–0 | Stoyko | EYCC 2024 Rapid O14 | Indian Defense: Devin Gambit | |
| Aug 17, 2024 | Stoyko | 0–1 | Balint | EYCC 2024 Rapid O14 | Catalan Opening | |
| Aug 17, 2024 | Stoyko | 0–1 | Pilchuk | EYCC 2024 Rapid O14 | Dutch Defense: Queen's Knight Variation | |
| Mar 15, 2024 | Stoyko | 0–1 | Sakun | Charity Event for Memory Ukrainian Ches | Old Indian Defense | |
| Dec 14, 2024 | Brodsky | 1–0 | Stoyko | Round 1: Brodsky, Michail - Stoyko, Oleh | Queen's Indian Defense: Fianchetto Variation, Kramnik Variation | |
| Sep 30, 2023 | Stoyko | 1–0 | Boci | 22nd European Youth Blitz Championship 2023 - O-14 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Gufeld Gambit | |
| Feb 26, 2023 | Stoyko | 1–0 | Karpinets | Winter Cup of the Lviv Chess Club | Queen's Gambit Declined: Vienna Variation, Quiet Variation | |
| Feb 26, 2023 | Stoyko | ½–½ | Zaharchyn | Winter Cup of the Lviv Chess Club | Queen's Gambit Declined | |
| Feb 26, 2023 | Tymushev | ½–½ | Stoyko | Winter Cup of the Lviv Chess Club | Queen's Indian Defense: Kasparov Variation | |
| Feb 25, 2023 | Stoyko | 0–1 | Polishchuk | Winter Cup of the Lviv Chess Club | Benko Gambit Accepted: Modern Variation | |
| Feb 25, 2023 | Stoyko | 1–0 | Koval | Winter Cup of the Lviv Chess Club | Bogo-Indian Defense: Retreat Variation | |
| Feb 25, 2023 | Stoyko | * | Koval | Winter Cup of the Lviv Chess Club | ? | |
| Feb 25, 2023 | Ivanov | 1–0 | Stoyko | Winter Cup of the Lviv Chess Club | Indian Defense: Tartakower Attack | |
| Feb 24, 2023 | Karvatskyi | ½–½ | Stoyko | Winter Cup of the Lviv Chess Club | Rapport-Jobava System | |
| Jul 17, 2022 | Stoyko | 0–1 | Negrean | U12 euro team | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jul 16, 2022 | Stoyko | ½–½ | Besou | U12 euro team | Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line | |
| Jul 15, 2022 | Shevchenko | * | Stoyko | U12 euro team | Catalan Opening: Open Defense | |
| Jul 14, 2022 | Stoyko | 0–1 | Zerey | U12 euro team | King's Indian Defense: Zinnowitz Variation | |
| Jul 13, 2022 | Weber | 0–1 | Stoyko | Round 2: Weber, Yonatan - Stoyko, Oleh | English Opening: Agincourt Defense, Catalan Defense Accepted | |
