| — | Mastrovasilis Dimitrios (GRE) | 1–0 | Blohberger Felix (AUT) | World Cup 2023 | Scotch Game: Scotch Gambit, Advance Variation | |
| Apr 30, 2026 | Pultinevicius | 1–0 | Mastrovasilis | Finals: Pultinevicius, Paulius - Mastrovasilis, Dimitrios | Slav Defense: Alekhine Variation | |
| Apr 29, 2026 | Mastrovasilis | ½–½ | Moroni | Semifinals: Mastrovasilis, Dimitrios - Moroni, Luca Jr | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Apr 28, 2026 | Mastrovasilis | ½–½ | Korpa | Round 7: Mastrovasilis, Dimitrios - Korpa, Bence | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Apr 27, 2026 | Teclaf | ½–½ | Mastrovasilis | Round 6: Teclaf, Pawel - Mastrovasilis, Dimitrios | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Apr 27, 2026 | Mastrovasilis | ½–½ | Kazakouski | Round 5: Mastrovasilis, Dimitrios - Kazakouski, Valery | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Apr 26, 2026 | Lodici | ½–½ | Mastrovasilis | Round 4: Lodici, Lorenzo - Mastrovasilis, Dimitrios | Italian Game: Classical Variation, Giuoco Pianissimo, Albin Variation | |
| Apr 24, 2026 | Mastrovasilis | ½–½ | Adhiban | Round 1: Mastrovasilis, Dimitrios - Adhiban, B. | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Apr 19, 2026 | Mastrovasilis | ½–½ | Indjic | EICC 2026 | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Apr 18, 2026 | Reuker | 0–1 | Mastrovasilis | EICC 2026 | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Apr 16, 2026 | Mastrovasilis | ½–½ | Ivanisevic | Round 3: Mastrovasilis, Dimitrios - Ivanisevic, Ivan | Four Knights Game: Scotch Variation Accepted | |
| Apr 16, 2026 | Wieczorek | ½–½ | Mastrovasilis | Round 2: Wieczorek, Oskar - Mastrovasilis, Dimitrios | King's Indian Attack, with e6 | |
| Apr 16, 2026 | Mastrovasilis | 1–0 | Risteski | EICC 2026 | King's Indian Attack, with e6 | |
| Apr 15, 2026 | Govciyan | ½–½ | Mastrovasilis | EICC 2026 | Catalan Opening: Open Defense, Classical Line | |
| Apr 14, 2026 | Mastrovasilis | ½–½ | Sukiasyan | EICC 2026 | Ruy Lopez: Closed, Martinez Variation | |
| Apr 13, 2026 | Sowinski | ½–½ | Mastrovasilis | EICC 2026 | Slav Defense: Quiet Variation, Pin Defense | |
| Apr 12, 2026 | Mastrovasilis | 1–0 | Arat | EICC 2026 | French Defense: Classical Variation, Burn Variation | |
| Apr 10, 2026 | Bettalli | ½–½ | Mastrovasilis | EICC 2026 | Bishop's Opening: Vienna Hybrid | |
| Apr 9, 2026 | Mastrovasilis | ½–½ | Atoyan | EICC 2026 | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Apr 8, 2026 | Rybka | ½–½ | Mastrovasilis | EICC 2026 | Four Knights Game: Spanish Variation, Nimzowitsch Variation | |
| Apr 7, 2026 | Mastrovasilis | 1–0 | Starosta | EICC 2026 | Queen's Pawn Game: Symmetrical Variation | |
| Feb 13, 2026 | Janik | 1–0 | Mastrovasilis | blitz2026 | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Feb 13, 2026 | Dobrowolski | ½–½ | Mastrovasilis | blitz2026 | Sicilian Defense: Kan Variation, Maróczy Bind, Hedgehog Variation | |
| Feb 13, 2026 | Mastrovasilis | ½–½ | Raczek | blitz2026 | Caro-Kann Defense: Karpov Variation | |
| Feb 13, 2026 | Mastrovasilis | 1–0 | Khotenashvili | blitz2026 | Caro-Kann Defense | |
| Feb 13, 2026 | Badelka | 0–1 | Mastrovasilis | blitz2026 | Queen's Pawn Game: Krause Variation | |
| Feb 13, 2026 | Mastrovasilis | 1–0 | Krzywda | blitz2026 | Sicilian Defense: Kramnik Variation | |
| Feb 13, 2026 | Majcher | 0–1 | Mastrovasilis | blitz2026 | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Feb 13, 2026 | Mastrovasilis | 1–0 | Bes | blitz2026 | Four Knights Game: Scotch Variation Accepted, Main Line | |
| Feb 13, 2026 | Mastrovasilis | 0–1 | Lechowski | blitz2026 | Scotch Game: Göring Gambit | |
| Feb 13, 2026 | Stelmaszuk | 0–1 | Mastrovasilis | blitz2026 | Queen's Gambit Declined: Janowski Variation | |
| Nov 24, 2025 | Mastrovasilis | 1–0 | Vardakas | 2nd Gavriil Mastrovasilis Memorial Rapid 2025 | Sicilian Defense: Moscow Variation | |
| Nov 24, 2025 | Mastrovasilis | 1–0 | Kougkoulis | 2nd Gavriil Mastrovasilis Memorial Rapid 2025 | Scotch Game: Göring Gambit, Double Pawn Sacrifice | |
| Nov 24, 2025 | Mastrovasilis | ½–½ | Mastrovasilis | 2nd Gavriil Mastrovasilis Memorial Rapid 2025 | Queen's Indian Defense: Yates Variation | |
| Nov 24, 2025 | Zafeiriou | 0–1 | Mastrovasilis | 2nd Gavriil Mastrovasilis Memorial Rapid 2025 | Sicilian Defense: Taimanov Variation | |
| Nov 22, 2025 | Papageorgiou | 0–1 | Mastrovasilis | 2nd Gavriil Mastrovasilis Memorial Rapid 2025 | Scandinavian Defense: Gubinsky-Melts Defense | |
| Nov 8, 2025 | Topalov | ½–½ | Mastrovasilis | Round 7: Topalov, Veselin - Mastrovasilis, Dimitrios | Réti Opening: Anglo-Slav Variation, Gurevich System | |
| Nov 8, 2025 | L'Ami | 0–1 | Mastrovasilis | Round 6: L'Ami, Erwin - Mastrovasilis, Dimitrios | Catalan Opening: Closed | |
| Nov 7, 2025 | Mastrovasilis | ½–½ | Kovalenko | Round 3: Mastrovasilis, Dimitrios - Kovalenko, Igor | Sicilian Defense: Kramnik Variation | |
| Oct 25, 2025 | Giri | 1–0 | Mastrovasilis | Round 7: Giri, Anish - Mastrovasilis, Dimitrios | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Oct 24, 2025 | Mastrovasilis | ½–½ | Alonso Rosell | Round 6: Mastrovasilis, Dimitrios - Alonso Rosell, Alvar | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Oct 23, 2025 | Cherniaiev | ½–½ | Mastrovasilis | Round 5: Cherniaiev, Tykhon - Mastrovasilis, Dimitrios | Queen's Gambit Accepted | |
| Oct 22, 2025 | Mastrovasilis | ½–½ | Bellahcene | Round 4: Mastrovasilis, Dimitrios - Bellahcene, Bilel | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Oct 21, 2025 | Rozen | ½–½ | Mastrovasilis | Round 3: Rozen, Eytan - Mastrovasilis, Dimitrios | Queen's Gambit Declined: Semi-Tarrasch Defense | |
| Oct 14, 2025 | Can | ½–½ | Mastrovasilis | Round 9: Can, Emre - Mastrovasilis, Dimitrios | Petrov's Defense: Kaufmann Attack | |
| Oct 13, 2025 | Mastrovasilis | ½–½ | Brunello | Round 8: Mastrovasilis, Dimitrios - Brunello, Sabino | Scotch Game: Tartakower Variation | |
| Oct 10, 2025 | Banusz | ½–½ | Mastrovasilis | Round 6: Banusz, Tamas - Mastrovasilis, Dimitrios | English Opening: Agincourt Defense | |
| Oct 9, 2025 | Mastrovasilis | ½–½ | Suleymanli | Round 5: Mastrovasilis, Dimitrios - Suleymanli, Aydin | Scotch Game: Schmidt Variation | |
| Oct 7, 2025 | Subelj | ½–½ | Mastrovasilis | Round 3: Subelj, Jan - Mastrovasilis, Dimitrios | Ruy Lopez: Open | |
| Oct 6, 2025 | Mastrovasilis | 1–0 | Boruchovsky | Round 2: Mastrovasilis, Dimitrios - Boruchovsky, Avital | Queen's Pawn Game: Symmetrical Variation | |
| Oct 5, 2025 | Mastrovasilis | 1–0 | Baltag | Round 1: Mastrovasilis, Dimitrios - Baltag, Iulian | Slav Defense: Exchange Variation | |
| Jul 31, 2025 | Sriansh Das | 0–1 | Mastrovasilis | Round 5: Sriansh Das - Mastrovasilis, Dimitrios | Sicilian Defense: Alapin Variation, Stoltz Attack | |
| Jul 30, 2025 | Mastrovasilis | 1–0 | Priansh Das | Round 4: Mastrovasilis, Dimitrios - Priansh Das | Hungarian Opening | |
| Jul 29, 2025 | Anand | ½–½ | Mastrovasilis | Round 3: Anand, Batsukh - Mastrovasilis, Dimitrios | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 28, 2025 | Georgiadis | ½–½ | Mastrovasilis | Round 1: Georgiadis, Anastasios - Mastrovasilis, Dimitrios | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 6, 2025 | Alexakis | 0–1 | Mastrovasilis | Final: Alexakis, Dimitris - Mastrovasilis, Dimitrios | Vienna Game: Mieses Variation | |
| Jul 5, 2025 | Mastrovasilis | 1–0 | Seretakis | Semi-Finals: Mastrovasilis, Dimitrios - Seretakis, Nikolas | Alekhine Defense: Exchange Variation | |
| Jul 4, 2025 | Malikentzos | ½–½ | Mastrovasilis | Round 7: Malikentzos, Sotirios - Mastrovasilis, Dimitrios | Zukertort Opening: Reversed Grünfeld | |
| Jul 3, 2025 | Mastrovasilis | 1–0 | Papadopoulos | Round 6: Mastrovasilis, Dimitrios - Papadopoulos, Nikolaos | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jul 3, 2025 | Mastrovasilis | ½–½ | Papasimakopoulos | Round 4: Mastrovasilis, Dimitrios - Papasimakopoulos, Alexandros | French Defense: Winawer Variation, Alekhine-Maróczy Gambit | |
| Jul 3, 2025 | Megalios | ½–½ | Mastrovasilis | Round 3: Megalios, Konstantinos - Mastrovasilis, Dimitrios | Ruy Lopez: Closed, Averbakh Variation | |
| Jul 3, 2025 | Mastrovasilis | 1–0 | Magkalakis | Round 2: Mastrovasilis, Dimitrios - Magkalakis, Stefanos | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 3, 2025 | Kosmas-Lekkas | 0–1 | Mastrovasilis | Round 1: Kosmas-Lekkas, Dimitrios - Mastrovasilis, Dimitrios | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 3, 2025 | Banikas | ½–½ | Mastrovasilis | Round 5: Banikas, Hristos - Mastrovasilis, Dimitrios | Ruy Lopez: Closed, Flohr System | |
| Jun 22, 2025 | Mastrovasilis | ½–½ | Kalogridis | 43rd Hybrid Greek Cup F8 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Jun 8, 2025 | Sandalakis | ½–½ | Mastrovasilis | 43rd Hybrid Greek Cup 2025 F16 | Queen's Gambit Declined: Semi-Tarrasch Defense, Pillsbury Variation | |
| Jun 2, 2025 | Mastrovasilis | 0–1 | Psyk | Open-1 | French Defense: Classical Variation, Steinitz Variation | |
| Jun 2, 2025 | Mastrovasilis | 1–0 | Smeryk | Open-1 | Sicilian Defense: Snyder Variation | |
| May 31, 2025 | Golis | 0–1 | Mastrovasilis | Open-1 | Sicilian Defense: Kan Variation | |
| May 31, 2025 | Mastrovasilis | ½–½ | Mis | Open-1 | Pirc Defense | |
| May 31, 2025 | Musial | 0–1 | Mastrovasilis | Open-1 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| May 31, 2025 | Mastrovasilis | 0–1 | Kiolbasa | Open-1 | Scotch Game: Göring Gambit | |
| May 31, 2025 | Mastrovasilis | 1–0 | Jarocka | Open-1 | Caro-Kann Defense: Advance Variation | |
| May 31, 2025 | Budzisz | 0–1 | Mastrovasilis | Open-1 | King's Indian Attack | |
| May 31, 2025 | Lajdamik | 0–1 | Mastrovasilis | Open-1 | Sicilian Defense: French Variation | |
| May 31, 2025 | Sroka | ½–½ | Mastrovasilis | Open-1 | Sicilian Defense: Grand Prix Attack | |
| May 31, 2025 | Mastrovasilis | 1–0 | Galko | Open-1 | Scandinavian Defense: Main Line | |
| Oct 25, 2024 | Kucuksari | ½–½ | Mastrovasilis | 39th European Chess Club Cup | Slav Defense: Quiet Variation, Schallopp Defense | |
| Oct 23, 2024 | Jepson | 0–1 | Mastrovasilis | 39th European Chess Club Cup | Réti Opening | |
| Oct 21, 2024 | Mastrovasilis | 1–0 | Djuric | 39th European Chess Club Cup | Scotch Game: Benima Defense | |
| Oct 20, 2024 | Alsina Leal | ½–½ | Mastrovasilis | 39th European Chess Club Cup | Ruy Lopez: Morphy Defense, Classical Defense Deferred | |
| Oct 15, 2024 | Mastrovasilis | ½–½ | Krzyzanowski | Druzynowe Mistrzostwa Polski - Ekstraliga 2024 | Sicilian Defense: Moscow Variation | |
| Oct 14, 2024 | Nasuta | ½–½ | Mastrovasilis | Druzynowe Mistrzostwa Polski - Ekstraliga 2024 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Oct 13, 2024 | Mastrovasilis | 1–0 | Koziorowicz | Druzynowe Mistrzostwa Polski - Ekstraliga 2024 | French Defense: Tarrasch Variation, Morozevich Variation | |
| Oct 11, 2024 | Moranda | ½–½ | Mastrovasilis | Druzynowe Mistrzostwa Polski - Ekstraliga 2024 | Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation | |
| Oct 10, 2024 | Toczek | 0–1 | Mastrovasilis | Druzynowe Mistrzostwa Polski - Ekstraliga 2024 | Sicilian Defense: Closed | |
| Oct 9, 2024 | Warakomski | 0–1 | Mastrovasilis | Druzynowe Mistrzostwa Polski - Ekstraliga 2024 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Oct 8, 2024 | Mastrovasilis | 1–0 | Heberla | Druzynowe Mistrzostwa Polski - Ekstraliga 2024 | Scotch Game | |
| Oct 7, 2024 | Klimkowski | 1–0 | Mastrovasilis | Druzynowe Mistrzostwa Polski - Ekstraliga 2024 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Sep 22, 2024 | Vasquez Schroeder | ½–½ | Mastrovasilis | 45th FIDE Chess Olympiad | Ruy Lopez: Open, Motzko Attack | |
| Sep 21, 2024 | Draskovic | ½–½ | Mastrovasilis | 45th FIDE Chess Olympiad | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Sep 18, 2024 | Mastrovasilis | 0–1 | Dominguez Perez | 45th FIDE Chess Olympiad | Sicilian Defense: Moscow Variation | |
| Sep 15, 2024 | Kanep | ½–½ | Mastrovasilis | 45th FIDE Chess Olympiad | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 13, 2024 | Fitzsimons | 1–0 | Mastrovasilis | 45th FIDE Chess Olympiad | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Sep 12, 2024 | Mastrovasilis | ½–½ | Escalona Landi | 45th FIDE Chess Olympiad | Sicilian Defense: Moscow Variation | |
| Aug 25, 2024 | Mastrovasilis | 1–0 | Dhananjay S | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN A | English Opening: Mikenas-Carls Variation | |
| Aug 24, 2024 | Jarmula | 1–0 | Mastrovasilis | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN A | King's Indian Attack | |
| Aug 23, 2024 | Mastrovasilis | 1–0 | Stopa | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN A | Sicilian Defense: Prins Variation | |
| Aug 22, 2024 | Eggink | ½–½ | Mastrovasilis | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN A | Queen's Gambit Declined: Three Knights Variation | |
| Aug 21, 2024 | Mastrovasilis | 1–0 | Cernov | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN A | Italian Game: Classical Variation, Giuoco Pianissimo | |