| Jul 24, 2026 | Prokofiev | 1–0 | Rajlich | CzechOpen 2026_A | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Jul 23, 2026 | Vykouk | 1–0 | Prokofiev | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | Sicilian Defense: Grand Prix Attack | |
| Jul 23, 2026 | Prokofiev | 1–0 | Piesik | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | Indian Defense: Anti-Nimzo-Indian | |
| Jul 23, 2026 | Prokofiev | ½–½ | Pisk | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | Queen's Gambit Accepted: Classical Defense, Steinitz Variation, Development Variation | |
| Jul 23, 2026 | Korshunov | ½–½ | Prokofiev | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | Sicilian Defense: Classical Variation | |
| Jul 23, 2026 | Prokofiev | 1–0 | Winter | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation | |
| Jul 23, 2026 | Akesson | ½–½ | Prokofiev | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | Queen's Gambit Declined: Harrwitz Attack, Main Line | |
| Jul 22, 2026 | Prokofiev | ½–½ | Khusenkhojaev | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Jul 22, 2026 | Tomaszewski | 0–1 | Prokofiev | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | Queen's Gambit Declined: Three Knights Variation | |
| Jul 22, 2026 | Prokofiev | 1–0 | Zichenkov | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | King's Indian Defense: Orthodox Variation, Bayonet Attack | |
| Jul 19, 2026 | Juhanak | ½–½ | Prokofiev | Round 7: Juhanak, Daniel - Prokofiev, Valentyn | Sicilian Defense: Old Sicilian | |
| Jul 18, 2026 | Gibala | ½–½ | Prokofiev | Round 5: Gibala, Adam - Prokofiev, Valentyn | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Jul 18, 2026 | Prokofiev | 0–1 | Kiszkiel | Round 4: Prokofiev, Valentyn - Kiszkiel, Oskar | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Jul 17, 2026 | Srba | 0–1 | Prokofiev | Round 3: Srba, Milan - Prokofiev, Valentyn | Bird Opening: Dutch Variation | |
| Jul 17, 2026 | Prokofiev | 1–0 | Hagarova | Round 2: Prokofiev, Valentyn - Hagarova, Zuzana | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Jul 16, 2026 | Ocelak | 0–1 | Prokofiev | Round 1: Ocelak, David - Prokofiev, Valentyn | Sicilian Defense: Modern Variations | |
| Jul 8, 2026 | Patil Harshal | 0–1 | Prokofiev | FIDE OPEN QCC | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 6, 2026 | Simek | ½–½ | Prokofiev | FIDE OPEN QCC | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| Jul 5, 2026 | Prokofiev | ½–½ | Romanishin | FIDE OPEN QCC | Indian Defense: Normal Variation | |
| Jul 4, 2026 | Velicka | ½–½ | Prokofiev | FIDE OPEN QCC | Italian Game: Giuoco Pianissimo, Normal | |
| Jul 2, 2026 | Tynyshtyk | 0–1 | Prokofiev | FIDE OPEN QCC | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| Jul 1, 2026 | Prokofiev | 1–0 | Sokolovsky | FIDE OPEN QCC | Rapport-Jobava System | |
| Jun 30, 2026 | Rishabh Kumar | 0–1 | Prokofiev | FIDE OPEN QCC | ? | |
| Jun 29, 2026 | Prokofiev | 0–1 | Vykouk | FIDE OPEN QCC | Indian Defense: Anti-Nimzo-Indian | |
| Jun 29, 2026 | Prokofiev | ½–½ | Haba | FIDE OPEN QCC | Slav Defense: Breyer Variation | |
| Jun 3, 2026 | Prokofiev | 1–0 | Bouska | 5th Gambit GM Tournament | Indian Defense: Accelerated London System | |
| Jun 3, 2026 | Sowinski | 0–1 | Prokofiev | 5th Gambit GM Tournament | Sicilian Defense: Modern Variations, Main Line | |
| Jun 3, 2026 | Prokofiev | 0–1 | Raczek | 5th Gambit GM Tournament | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Jun 3, 2026 | Md Imran | 1–0 | Prokofiev | 5th Gambit GM Tournament | Benoni Defense: King's Indian System | |
| Jun 2, 2026 | Simacek | ½–½ | Prokofiev | 5th Gambit GM Tournament | King's Indian Defense: Orthodox Variation | |
| Jun 2, 2026 | Prokofiev | ½–½ | Swayham P Das | 5th Gambit GM Tournament | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jun 1, 2026 | Prokofiev | 1–0 | Velicka | 5th Gambit GM Tournament | Slav Defense: Exchange Variation | |
| Jun 1, 2026 | Moksh Amit Doshi | 0–1 | Prokofiev | 5th Gambit GM Tournament | Sicilian Defense: Moscow Variation, Main Line | |
| May 27, 2026 | Prokofiev | 1–0 | Cvek | 5th Gambit GM Tournament | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| May 17, 2026 | Chernyy | 0–1 | Prokofiev | Round 5: Chernyy, Andrey - Prokofiev, Valentyn | Sicilian Defense: Modern Variations | |
| May 17, 2026 | Prokofiev | 1–0 | Hosticka | Round 4: Prokofiev, Valentyn - Hosticka, Frantisek | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| May 16, 2026 | Prokofiev | 1–0 | Lorencova | Round 13: Prokofiev, Valentyn - Lorencova, Vera | Zukertort Opening: Kingside Fianchetto | |
| May 16, 2026 | Hlavac | 0–1 | Prokofiev | Round 12: Hlavac, Rudolf - Prokofiev, Valentyn | Sicilian Defense: Godiva Variation | |
| May 16, 2026 | Prokofiev | 1–0 | Vo | Round 11: Prokofiev, Valentyn - Vo, Daniel | King's Indian Defense: Orthodox Variation | |
| May 16, 2026 | Filindash | ½–½ | Prokofiev | Round 10: Filindash, Nikita - Prokofiev, Valentyn | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 16, 2026 | Prokofiev | 1–0 | Lorenc | Round 9: Prokofiev, Valentyn - Lorenc, Tomas | King's Indian Defense: Normal Variation, King's Knight Variation | |
| May 16, 2026 | Soukup | 0–1 | Prokofiev | Round 8: Soukup, Jiri - Prokofiev, Valentyn | Queen's Pawn Game: Symmetrical Variation | |
| May 16, 2026 | Prokofiev | 1–0 | Hosticka | Round 7: Prokofiev, Valentyn - Hosticka, Frantisek | English Opening: Anglo-Indian Defense, Old Indian Formation | |
| May 16, 2026 | Sprenar | ½–½ | Prokofiev | Round 6: Sprenar, Petr - Prokofiev, Valentyn | Queen's Gambit Declined | |
| May 16, 2026 | Prokofiev | 1–0 | Pazdera | Round 5: Prokofiev, Valentyn - Pazdera, Tomas | King's Indian Defense: Normal Variation, Rare Defenses | |
| May 15, 2026 | Soukup | ½–½ | Prokofiev | Round 9: Soukup, Jiri - Prokofiev, Valentyn | Sicilian Defense: Mengarini Variation | |
| May 15, 2026 | Prokofiev | 1–0 | Filindash | Round 8: Prokofiev, Valentyn - Filindash, Nikita | English Opening: Agincourt Defense | |
| May 15, 2026 | Prokofiev | ½–½ | Tichy | Round 7: Prokofiev, Valentyn - Tichy, Stepan | English Opening: Anglo-Indian Defense, Nimzo-English | |
| May 15, 2026 | Sprenar | 0–1 | Prokofiev | Round 6: Sprenar, Petr - Prokofiev, Valentyn | Catalan Opening: Closed | |
| May 15, 2026 | Migalko | ½–½ | Prokofiev | Round 3: Migalko, Dmitriy - Prokofiev, Valentyn | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| May 15, 2026 | Prokofiev | 1–0 | Misek | Round 2: Prokofiev, Valentyn - Misek, Jan | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| May 15, 2026 | Cornyj | 0–1 | Prokofiev | Round 1: Cornyj, Milan - Prokofiev, Valentyn | Indian Defense: Spielmann-Indian | |
| May 15, 2026 | Prokofiev | 0–1 | Ivanov | Round 4: Prokofiev, Valentyn - Ivanov, Mike | English Defense | |
| May 15, 2026 | Honcharov | 0–1 | Prokofiev | Round 3: Honcharov, Makar - Prokofiev, Valentyn | Sicilian Defense: Wing Gambit, Marshall Variation | |
| May 15, 2026 | Prokofiev | 1–0 | Zrust | Round 2: Prokofiev, Valentyn - Zrust, Lukas | King's Indian Defense: Orthodox Variation, Positional Defense | |
| May 15, 2026 | Koten | 0–1 | Prokofiev | Round 1: Koten, Vojtech - Prokofiev, Valentyn | English Opening: Agincourt Defense | |
| May 9, 2026 | Korobov | 1–0 | Prokofiev | Round 8: Korobov, Anton - Prokofiev, Valentyn | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| May 8, 2026 | Prokofiev | 1–0 | Bjolek | Round 7: Prokofiev, Valentyn - Bjolek, Jan | English Opening: Anglo-Dutch Defense | |
| May 7, 2026 | Mudrak | ½–½ | Prokofiev | Round 6: Mudrak, Josef - Prokofiev, Valentyn | Catalan Opening: Closed | |
| May 5, 2026 | Chylewski | ½–½ | Prokofiev | Round 4: Chylewski, Patryk - Prokofiev, Valentyn | Queen's Gambit Declined | |
| May 4, 2026 | Prokofiev | 0–1 | Vilimek | Round 3: Prokofiev, Valentyn - Vilimek, Vit | Grünfeld Defense: Three Knights Variation | |
| May 3, 2026 | Sliwerski | 0–1 | Prokofiev | Round 2: Sliwerski, Radoslaw - Prokofiev, Valentyn | King's Indian Defense: Fianchetto Variation, Immediate Fianchetto | |
| May 2, 2026 | Prokofiev | 1–0 | Kucera | Round 1: Prokofiev, Valentyn - Kucera, Tomas | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Apr 16, 2026 | Balaji | ½–½ | Prokofiev | EICC 2026 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 15, 2026 | Prokofiev | 0–1 | Costa | EICC 2026 | Queen's Pawn Game: Accelerated London System | |
| Apr 14, 2026 | Karpus | 0–1 | Prokofiev | EICC 2026 | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| Apr 13, 2026 | Prokofiev | ½–½ | Noy | EICC 2026 | English Opening: Agincourt Defense | |
| Apr 12, 2026 | Seemann | 1–0 | Prokofiev | EICC 2026 | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Apr 10, 2026 | Prokofiev | 1–0 | Szakmary | EICC 2026 | Slav Defense: Exchange Variation | |
| Apr 9, 2026 | Donchenko | ½–½ | Prokofiev | EICC 2026 | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | |
| Apr 8, 2026 | Prokofiev | 1–0 | Rzap | EIIC 2026 | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Apr 7, 2026 | Bubalovic | ½–½ | Prokofiev | EIIC 2026 | Sicilian Defense: Kan Variation, Swiss Cheese Variation | |
| Mar 12, 2026 | Sammons | 0–1 | Prokofiev | 4th Gambit GM Tournament | Queen's Gambit Declined | |
| Mar 10, 2026 | Prokofiev | 1–0 | Cifka | 4th Gambit GM Tournament | Nimzo-Indian Defense: Normal Variation, Classical Defense | |
| Mar 9, 2026 | Prokofiev | 1–0 | Lee | 4th Gambit GM Tournament | King's Indian Defense: Orthodox Variation | |
| Mar 9, 2026 | Levin | 1–0 | Prokofiev | 4th Gambit GM Tournament | Queen's Pawn Game: London System, with e6 | |
| Mar 9, 2026 | Simacek | ½–½ | Prokofiev | 4th Gambit GM Tournament | Queen's Gambit Declined | |
| Mar 7, 2026 | Prokofiev | 0–1 | Rasik | 4th Gambit GM Tournament | King's Indian Defense: Orthodox Variation, Positional Defense | |
| Mar 7, 2026 | Lohia | 0–1 | Prokofiev | 4th Gambit GM Tournament | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Mar 7, 2026 | Prokofiev | 1–0 | Vlachos | 4th Gambit GM Tournament | Queen's Gambit Accepted: Normal Variation | |
| Feb 15, 2026 | Prokofiev | 1–0 | Velicka | 4th Gambit GM Tournament | Queen's Gambit Declined | |
| Jan 16, 2026 | Prokofiev | ½–½ | Karwowski | Prague Open 2026 - A IM Open | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Jan 15, 2026 | Kuegel | ½–½ | Prokofiev | Prague Open 2026 - A IM Open | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| Jan 12, 2026 | Ejsymont | 0–1 | Prokofiev | Prague Open 2026 - A IM Open | Sicilian Defense: Kan Variation, Swiss Cheese Variation | |
| Jan 11, 2026 | Prokofiev | ½–½ | Pankiv | Prague Open 2026 - A IM Open | Indian Defense: Anti-Nimzo-Indian | |
| Jan 10, 2026 | Terhuven | 0–1 | Prokofiev | Prague Open 2026 - A IM Open | Catalan Opening: Closed | |
| Jan 10, 2026 | Prokofiev | 1–0 | Lysenko | Prague Open 2026 - A IM Open | Zukertort Opening | |
| Jan 9, 2026 | Tuetuencue | 0–1 | Prokofiev | Prague Open 2026 - A IM Open | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Jan 7, 2026 | Moroni | 1–0 | Prokofiev | Prague Open 2026 - A IM Open | King's Indian Defense: Makogonov Variation | |
| Jan 7, 2026 | Prokofiev | 1–0 | Neelash Saha | Prague Open 2026 - A IM Open | Slav Defense: Exchange Variation | |
| Dec 26, 2025 | Hoppstaedter | ½–½ | Prokofiev | Vandoeuvre A et B | Catalan Opening: Closed | |
| Dec 26, 2025 | Prokofiev | 1–0 | Aliferenko | Vandoeuvre A et B | Queen's Gambit Declined: Janowski Variation | |
| Sep 23, 2025 | Haring | 1–0 | Prokofiev | 3rd GM Gambit Cafe Tournament | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Sep 22, 2025 | Prokofiev | 1–0 | Prazak | 3rd GM Gambit Cafe Tournament | Slav Defense: Breyer Variation | |
| Sep 21, 2025 | Cvek | ½–½ | Prokofiev | 3rd GM Gambit Cafe Tournament | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Sep 21, 2025 | Prokofiev | 1–0 | Akshat Sureka | 3rd GM Gambit Cafe Tournament | Bogo-Indian Defense: Grünfeld Variation | |
| Sep 21, 2025 | Yurovskykh | ½–½ | Prokofiev | 3rd GM Gambit Cafe Tournament | Zukertort Opening: Nimzo-Larsen Variation | |
| Sep 21, 2025 | Prokofiev | 1–0 | Smolik | 3rd GM Gambit Cafe Tournament | Queen's Gambit Declined: Exchange Variation | |
| Sep 20, 2025 | Velicka | ½–½ | Prokofiev | 3rd GM Gambit Cafe Tournament | Sicilian Defense: Taimanov Variation, Modern Line | |
| Sep 19, 2025 | Prokofiev | 1–0 | Rasik | 3rd GM Gambit Cafe Tournament | King's Indian Defense: Petrosian Variation, Stein Defense | |