| Nov 5, 2023 | Niklas Schmider | 0–1 | Dimitrios Mastrovasilis | Round 9: Niklas Schmider - Dimitrios Mastrovasilis | Sicilian Defense: Taimanov Variation | |
| Nov 4, 2023 | Dimitrios Mastrovasilis | ½–½ | Dieter Morawietz | Round 8: Dimitrios Mastrovasilis - Dieter Morawietz | French Defense: Winawer Variation, Alekhine-Maróczy Gambit | |
| Nov 3, 2023 | Mario Schachinger | ½–½ | Dimitrios Mastrovasilis | Round 7: Mario Schachinger - Dimitrios Mastrovasilis | Catalan Opening: Closed | |
| Nov 2, 2023 | Dimitrios Mastrovasilis | 1–0 | Sebastian Reimann | Round 6: Dimitrios Mastrovasilis - Sebastian Reimann | Sicilian Defense: Chekhover Variation | |
| Nov 1, 2023 | Malte Colpe | ½–½ | Dimitrios Mastrovasilis | Round 5: Malte Colpe - Dimitrios Mastrovasilis | Queen's Pawn Game: London System, with e6 | |
| Oct 31, 2023 | Dimitrios Mastrovasilis | 1–0 | Klaudia Kulon | Round 4: Dimitrios Mastrovasilis - Klaudia Kulon | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Oct 30, 2023 | Jolanta Zawadzka | ½–½ | Dimitrios Mastrovasilis | Round 3: Jolanta Zawadzka - Dimitrios Mastrovasilis | Pirc Defense: Austrian Attack, Dragon Formation | |
| Oct 29, 2023 | Dimitrios Mastrovasilis | 1–0 | Fred Hedke | Round 2: Dimitrios Mastrovasilis - Fred Hedke | Modern Defense | |
| Aug 30, 2023 | Dimitrios Mastrovasilis | ½–½ | Evgenios Ioannidis | Round 7: Dimitrios Mastrovasilis - Evgenios Ioannidis | Four Knights Game: Scotch Variation Accepted | |
| Aug 29, 2023 | Dimitrios Mastrovasilis | 1–0 | Stamatis Kourkoulos-Arditis | Round 1: Dimitrios Mastrovasilis - Stamatis Kourkoulos-Arditis | Ruy Lopez: Morphy Defense, Neo-Arkhangelsk Variation | |
| Aug 29, 2023 | Pavlos Bozinakis | ½–½ | Dimitrios Mastrovasilis | Round 2: Pavlos Bozinakis - Dimitrios Mastrovasilis | English Opening: King's English Variation | |
| Aug 29, 2023 | Spyridon Kapnisis | ½–½ | Dimitrios Mastrovasilis | Round 4: Spyridon Kapnisis - Dimitrios Mastrovasilis | Scotch Game: Tartakower Variation | |
| Aug 29, 2023 | Dimitrios Mastrovasilis | ½–½ | Ioannis Nikolaidis | Round 6: Dimitrios Mastrovasilis - Ioannis Nikolaidis | Caro-Kann Defense: Karpov Variation | |
| May 25, 2023 | Dimitrios Mastrovasilis | ½–½ | Abhimanyu Mishra | Round 9: Dimitrios Mastrovasilis - Abhimanyu Mishra | Sicilian Defense: Najdorf Variation, English Attack | |
| May 24, 2023 | S.P. Sethuraman | ½–½ | Dimitrios Mastrovasilis | Round 8: S.P. Sethuraman - Dimitrios Mastrovasilis | Queen's Gambit Declined | |
| May 23, 2023 | B. Adhiban | 1–0 | Dimitrios Mastrovasilis | Round 7: B. Adhiban - Dimitrios Mastrovasilis | Catalan Opening: Closed | |
| May 22, 2023 | Dimitrios Mastrovasilis | 1–0 | Emre Can | Round 6: Dimitrios Mastrovasilis - Emre Can | Sicilian Defense: Moscow Variation | |
| May 21, 2023 | Lucas Van Foreest | ½–½ | Dimitrios Mastrovasilis | Round 5: Lucas Van Foreest - Dimitrios Mastrovasilis | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| May 20, 2023 | Dimitrios Mastrovasilis | ½–½ | Momchil Petkov | Round 4: Dimitrios Mastrovasilis - Momchil Petkov | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| May 19, 2023 | Jingyao Tin | 1–0 | Dimitrios Mastrovasilis | Round 3: Jingyao Tin - Dimitrios Mastrovasilis | Queen's Gambit Declined: Three Knights, Vienna Variation | |
| May 18, 2023 | Dimitrios Mastrovasilis | ½–½ | Mikhail Kobalia | Round 2: Dimitrios Mastrovasilis - Mikhail Kobalia | Ruy Lopez: Closed, Martinez Variation | |
| May 17, 2023 | Yangyi Yu | 1–0 | Dimitrios Mastrovasilis | Round 1: Yangyi Yu - Dimitrios Mastrovasilis | English Opening: Agincourt Defense | |
| Nov 6, 2022 | Dimitrios Mastrovasilis | 1–0 | Athanasios Mastrovasilis | Round 10: Dimitrios Mastrovasilis - Athanasios Mastrovasilis | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Nov 6, 2022 | Viorel Iordachescu | ½–½ | Dimitrios Mastrovasilis | Round 9: Viorel Iordachescu - Dimitrios Mastrovasilis | Bishop's Opening: Berlin Defense | |
| Nov 6, 2022 | Dimitrios Mastrovasilis | 1–0 | Milan Zajic | Round 8: Dimitrios Mastrovasilis - Milan Zajic | Sicilian Defense | |
| Nov 6, 2022 | Dimitrios Mastrovasilis | ½–½ | Gadir Guseinov | Round 6: Dimitrios Mastrovasilis - Gadir Guseinov | Sicilian Defense: Hyperaccelerated Dragon | |
| Nov 6, 2022 | Irina Bulmaga | ½–½ | Dimitrios Mastrovasilis | Round 7: Irina Bulmaga - Dimitrios Mastrovasilis | Sicilian Defense: Taimanov Variation | |
| Nov 6, 2022 | David Gorodetzky | ½–½ | Dimitrios Mastrovasilis | Round 5: David Gorodetzky - Dimitrios Mastrovasilis | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Nov 5, 2022 | Dimitrios Mastrovasilis | ½–½ | Lucas Van Foreest | Round 4: Dimitrios Mastrovasilis - Lucas Van Foreest | Four Knights Game: Scotch Variation Accepted | |
| Nov 5, 2022 | Lucian-Costin Miron | 0–1 | Dimitrios Mastrovasilis | Round 3: Lucian-Costin Miron - Dimitrios Mastrovasilis | Queen's Gambit Declined: Queen's Knight Variation | |
| Nov 5, 2022 | Dimitrios Mastrovasilis | 1–0 | George-Catalin Miroiu | Round 2: Dimitrios Mastrovasilis - George-Catalin Miroiu | Caro-Kann Defense: Modern Variation | |
| Nov 5, 2022 | Sasha-Matei Craciun | 0–1 | Dimitrios Mastrovasilis | Round 1: Sasha-Matei Craciun - Dimitrios Mastrovasilis | Sicilian Defense: French Variation | |