| Nov 24, 2025 | Tsilimparis | 1–0 | Papageorgiou | 2nd Gavriil Mastrovasilis Memorial Rapid 2025 | Ware Opening | |
| Nov 24, 2025 | Zawadzka | 1–0 | Papageorgiou | 2nd Gavriil Mastrovasilis Memorial Rapid 2025 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Nov 22, 2025 | Kalogeris | 1–0 | Papageorgiou | 2nd Gavriil Mastrovasilis Memorial Rapid 2025 | English Opening: Four Knights System, Nimzowitsch Variation | |
| Nov 22, 2025 | Papageorgiou | 0–1 | Mastrovasilis | 2nd Gavriil Mastrovasilis Memorial Rapid 2025 | Scandinavian Defense: Gubinsky-Melts Defense | |
| — | Papageorgiou | 1–0 | Lekkas | Round 4: Papageorgiou, Ioannis - Lekkas, Anastasios | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| — | Papageorgiou | 0–1 | Yu | Round 6: Papageorgiou, Ioannis - Yu, Shuxiao | Neo-Grünfeld Defense: Classical Variation, Polgar Variation | |
| — | Papageorgiou | 1–0 | Beliotis | Round 9: Papageorgiou, Ioannis - Beliotis, Georgios | Neo-Grünfeld Defense: Classical Variation, Polgar Variation | |
| — | Papageorgiou | 0–1 | Papasimakopoulos | ΠΑΝΕΛΛΗΝΙΟ ΠΡΩΤΑΘΛΗΜΑ BLITZ 2025 | Indian Defense: Knights Variation | |
| — | Papageorgiou | 0–1 | Kosmidis | ΠΑΝΕΛΛΗΝΙΟ ΑΤΟΜΙΚΟ ΠΡΩΤΑΘΛΗΜΑ RAPID 2025 | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| — | Nikolaou | 1–0 | Papageorgiou | Round 1: Nikolaou, Georgios - Papageorgiou, Ioannis | Catalan Opening: Closed, Main Line | |
| — | Boutikos | 1–0 | Papageorgiou | Round 3: Boutikos, Eleftherios - Papageorgiou, Ioannis | Sicilian Defense: Kan Variation, Modern Variation | |
| — | Betsakos | 0–1 | Papageorgiou | Round 5: Betsakos, Konstantinos - Papageorgiou, Ioannis | Queen's Pawn Game: London System | |
| — | Nenova | 1–0 | Papageorgiou | Round 7: Nenova, Andzhelika - Papageorgiou, Ioannis | Sicilian Defense: Kan Variation | |
| — | Mantazis | 1–0 | Papageorgiou | Round 8: Mantazis, Georgios Rafail - Papageorgiou, Ioannis | Sicilian Defense: Kan Variation, Knight Variation | |
