| Apr 26, 2026 | Iskos | 0–1 | Ioannidis | Finals: Iskos, Alexandros - Ioannidis, Evgenios | French Defense: Schlechter Variation | |
| Apr 25, 2026 | Ioannidis | ½–½ | Papakonstantinou | Semifinals: Ioannidis, Evgenios - Papakonstantinou, Dimitrios | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Apr 19, 2026 | Sargsyan | 1–0 | Ioannidis | EICC 2026 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Apr 18, 2026 | Ioannidis | 1–0 | Cukrowski | EICC 2026 | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Apr 16, 2026 | Piesik | ½–½ | Ioannidis | EICC 2026 | Semi-Slav Defense: Meran Variation, Wade Variation | |
| Apr 15, 2026 | Ioannidis | 1–0 | Kaczmarek | EICC 2026 | Queen's Gambit Declined: Exchange Variation, Sämisch Variation | |
| Apr 14, 2026 | Szakmary | 0–1 | Ioannidis | EICC 2026 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 13, 2026 | Ioannidis | 1–0 | Witczak | EIIC 2026 | English Opening: Agincourt Defense | |
| Apr 12, 2026 | Petrovic | ½–½ | Ioannidis | EIIC 2026 | Neo-Grünfeld Defense: Classical Variation, Polgar Variation | |
| Apr 10, 2026 | Ioannidis | 0–1 | Azoulay | EICC 2026 | King's Indian Defense: Averbakh Variation, Benoni Defense, Advance Variation | |
| Apr 9, 2026 | Brzezina | ½–½ | Ioannidis | EICC 2026 | Queen's Gambit Declined | |
| Apr 8, 2026 | Ioannidis | 0–1 | Brzezina | EICC 2026 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Apr 7, 2026 | Bittner | 0–1 | Ioannidis | EICC 2026 | French Defense: Tarrasch Variation, Morozevich Variation | |
| Mar 23, 2026 | Ioannidis | 0–1 | Stefanou | 3rd International Open Chess Tournament of Katerini Group A | English Opening: Four Knights System, Nimzowitsch Variation | |
| Mar 22, 2026 | Ioannidis | 1–0 | Gkavardinas | 3rd International Open Chess Tournament of Katerini Group A | Nimzo-Indian Defense: Classical Variation, Keres Defense | |
| Mar 21, 2026 | Ioannidis | 1–0 | Trimitzios | 3rd International Open Chess Tournament of Katerini Group A | Slav Defense: Exchange Variation | |
| Mar 21, 2026 | Vardakas | 0–1 | Ioannidis | 3rd International Open Chess Tournament of Katerini Group A | Bogo-Indian Defense: Vitolins Variation | |
| Mar 20, 2026 | Ioannidis | 1–0 | Lascar | 3rd International Open Chess Tournament of Katerini Group A | King's Indian Defense: Averbakh Variation | |
| Mar 17, 2026 | Patrelakis | ½–½ | Ioannidis | 3rd International Open Chess Tournament of Katerini Group A | Four Knights Game: Scotch Variation Accepted | |
| Mar 17, 2026 | Koutlas | ½–½ | Ioannidis | 3rd International Open Chess Tournament of Katerini Group A | French Defense: Exchange Variation | |
| Mar 6, 2026 | Haug | ½–½ | Ioannidis | PICF 2026 - KAREL JANECEK Open | Sicilian Defense: Alapin Variation | |
| Mar 5, 2026 | Ioannidis | 1–0 | Mayank Chakraborty | PICF 2026 - KAREL JANECEK Open | Nimzo-Indian Defense: Classical Variation | |
| Mar 4, 2026 | Stalmach | 1–0 | Ioannidis | PICF 2026 - KAREL JANECEK Open | Nimzo-Indian Defense: Classical Variation | |
| Mar 3, 2026 | Ioannidis | 1–0 | Bulmaga | PICF 2026 - KAREL JANECEK Open | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Mar 2, 2026 | Atalik | 0–1 | Ioannidis | PICF 2026 - KAREL JANECEK Open | Semi-Slav Defense: Accelerated Move Order | |
| Mar 1, 2026 | Ioannidis | ½–½ | Vardanyan | PICF 2026 - KAREL JANECEK Open | Queen's Gambit Declined: Queen's Knight Variation | |
| Feb 28, 2026 | Ciric | 0–1 | Ioannidis | PICF 2026 - KAREL JANECEK Open | Ruy Lopez: Exchange Variation, Gligoric Variation | |
| Feb 27, 2026 | Ioannidis | 1–0 | Olsen | PICF 2026 - KAREL JANECEK Open | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line | |
| Feb 26, 2026 | Kudrytskyi | 0–1 | Ioannidis | PICF 2026 - KAREL JANECEK Open | Queen's Gambit Declined | |
| Feb 18, 2026 | Ioannidis | ½–½ | Krallis | Round 7: Ioannidis, Evgenios - Krallis, Christos | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | |
| Feb 18, 2026 | Patrelakis | 0–1 | Ioannidis | Round 6: Patrelakis, Evaggelos - Ioannidis, Evgenios | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Feb 18, 2026 | Ioannidis | 1–0 | Liloni | Round 5: Ioannidis, Evgenios - Liloni, Francesco Mattia | English Opening: Anglo-Indian Defense, Nimzo-English | |
| Feb 18, 2026 | Stefanou | 0–1 | Ioannidis | Round 4: Stefanou, Dimitrios - Ioannidis, Evgenios | Semi-Slav Defense | |
| Feb 18, 2026 | Ioannidis | 1–0 | Mantazis | Round 3: Ioannidis, Evgenios - Mantazis, Georgios Rafail | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Feb 18, 2026 | Theodoridis | 0–1 | Ioannidis | Round 2: Theodoridis, Charalampos - Ioannidis, Evgenios | Nimzo-Indian Defense: St. Petersburg Variation, American Variation | |
| Feb 18, 2026 | Ioannidis | 1–0 | Ioannidis | Round 1: Ioannidis, Evgenios - Ioannidis, Konstantinos I | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Dec 11, 2025 | Kotronias | ½–½ | Ioannidis | Round 9: Kotronias, Vasilios - Ioannidis, Evgenios | Ruy Lopez: Morphy Defense, Cozio Defense | |
| Dec 10, 2025 | Ioannidis | ½–½ | Kourkoulos-Arditis | Round 8: Ioannidis, Evgenios - Kourkoulos-Arditis, Stamatis | Nimzo-Indian Defense: Classical Variation, Keres Defense | |
| Dec 8, 2025 | Kalogridis | 1–0 | Ioannidis | Round 6: Kalogridis, Antonios - Ioannidis, Evgenios | Queen's Gambit Declined: Charousek Variation | |
| Dec 7, 2025 | Ioannidis | 0–1 | Patrelakis | Round 5: Ioannidis, Evgenios - Patrelakis, Evaggelos | Tarrasch Defense: Symmetrical Variation | |
| Dec 6, 2025 | Mastrovasilis | 0–1 | Ioannidis | Round 4: Mastrovasilis, Athanasios - Ioannidis, Evgenios | Queen's Gambit Declined: Traditional Variation | |
| Dec 5, 2025 | Ioannidis | ½–½ | Alexakis | Round 3: Ioannidis, Evgenios - Alexakis, Dimitris | English Opening: Symmetrical Variation | |
| Dec 4, 2025 | Tsarsitalidis | 0–1 | Ioannidis | Round 2: Tsarsitalidis, Konstantinos - Ioannidis, Evgenios | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Dec 3, 2025 | Ioannidis | 0–1 | Krallis | Round 1: Ioannidis, Evgenios - Krallis, Christos | Queen's Gambit Declined: Three Knights Variation | |
| Dec 2, 2025 | Ioannidis | ½–½ | Nikolaidis | Round 7: Ioannidis, Evgenios - Nikolaidis, Ioannis | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 30, 2025 | Ioannidis | 1–0 | Mehmeti | Round 13: Ioannidis, Evgenios - Mehmeti, Shqipdon | Nimzo-Indian Defense: Classical Variation | |
| Nov 30, 2025 | Pechac | 1–0 | Ioannidis | Round 12: Pechac, Jergus - Ioannidis, Evgenios | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Nov 30, 2025 | Ioannidis | 1–0 | Kotyk | Round 11: Ioannidis, Evgenios - Kotyk, Michael | Queen's Gambit Declined: Charousek Variation | |
| Nov 30, 2025 | Lagarde | 1–0 | Ioannidis | Round 10: Lagarde, Maxime - Ioannidis, Evgenios | King's Knight Opening: Konstantinopolsky | |
| Nov 30, 2025 | Wojtaszek | ½–½ | Ioannidis | Round 9: Wojtaszek, Radoslaw - Ioannidis, Evgenios | Queen's Gambit Declined: Neo-Orthodox Variation, Main Line | |
| Nov 30, 2025 | Ioannidis | 0–1 | Jobava | Round 8: Ioannidis, Evgenios - Jobava, Baadur | Queen's Gambit Accepted: Old Variation | |
| Nov 30, 2025 | Ioannidis | 1–0 | Warmerdam | Round 7: Ioannidis, Evgenios - Warmerdam, Max | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 30, 2025 | Kovalenko | ½–½ | Ioannidis | Round 6: Kovalenko, Igor - Ioannidis, Evgenios | Semi-Slav Defense | |
| Nov 30, 2025 | Ioannidis | 1–0 | Salgado Lopez | Round 5: Ioannidis, Evgenios - Salgado Lopez, Ivan | Pirc Defense: Byrne Variation | |
| Nov 30, 2025 | Podlesnik | 0–1 | Ioannidis | Round 4: Podlesnik, Bogdan - Ioannidis, Evgenios | Four Knights Game: Spanish Variation, Rubinstein Variation | |
| Nov 30, 2025 | Ioannidis | 1–0 | Hrisomalis | Round 3: Ioannidis, Evgenios - Hrisomalis, Theodoros | Queen's Gambit Declined: Harrwitz Attack | |
| Nov 30, 2025 | Ioannidis | ½–½ | Szakmary | Round 1: Ioannidis, Evgenios - Szakmary, Domonkos | Benoni Defense: Czech Benoni Defense | |
| Nov 29, 2025 | Ioannidis | 0–1 | Dardha | Round 11: Ioannidis, Evgenios - Dardha, Daniel | Benko Gambit Accepted: Fully Accepted Variation | |
| Nov 29, 2025 | Lagarde | ½–½ | Ioannidis | Round 10: Lagarde, Maxime - Ioannidis, Evgenios | English Opening: King's English Variation, Four Knights Variation, Flexible Line | |
| Nov 29, 2025 | Van Foreest | 0–1 | Ioannidis | Round 9: Van Foreest, Jorden - Ioannidis, Evgenios | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Nov 29, 2025 | Ioannidis | 1–0 | Martinovic | Round 8: Ioannidis, Evgenios - Martinovic, Sasa | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 29, 2025 | Ioannidis | 1–0 | Andriasian | Round 7: Ioannidis, Evgenios - Andriasian, Zaven | Modern Defense: Averbakh System | |
| Nov 29, 2025 | Krasteva | 0–1 | Ioannidis | Round 6: Krasteva, Beloslava - Ioannidis, Evgenios | Zukertort Opening: Old Indian Attack | |
| Nov 28, 2025 | Ioannidis | 1–0 | Siil | Round 5: Ioannidis, Evgenios - Siil, Marko | Indian Defense: Budapest Defense, Rubinstein Variation | |
| Nov 28, 2025 | Santos Latasa | 1–0 | Ioannidis | Round 4: Santos Latasa, Jaime - Ioannidis, Evgenios | Italian Game: Giuoco Pianissimo, Normal | |
| Nov 28, 2025 | Ioannidis | 1–0 | Kiratzopoulos | Round 3: Ioannidis, Evgenios - Kiratzopoulos, Efthimios | Mexican Defense | |
| Nov 28, 2025 | Ribeiro | ½–½ | Ioannidis | Round 2: Ribeiro, Rodrigo - Ioannidis, Evgenios | Semi-Slav Defense | |
| Nov 28, 2025 | Ioannidis | 1–0 | Cros Garcia | Round 1: Ioannidis, Evgenios - Cros Garcia, Marc | Tarrasch Defense: Two Knights Variation | |
| Nov 9, 2025 | Ioannidis | 1–0 | Ongut | Round 9: Ioannidis, Evgenios - Ongut, Tamas Gunes | King's Indian Defense: Averbakh Variation, Nc6 Defense | |
| Nov 8, 2025 | Visakh N R | 1–0 | Ioannidis | Round 8: Visakh N R - Ioannidis, Evgenios | Catalan Opening: Open Defense | |
| Nov 7, 2025 | Ioannidis | 1–0 | Nurman | Round 7: Ioannidis, Evgenios - Nurman, Alua | East Indian Defense | |
| Nov 6, 2025 | Litzka | 0–1 | Ioannidis | Round 6: Litzka, Richard - Ioannidis, Evgenios | Zukertort Opening | |
| Nov 5, 2025 | Ioannidis | 0–1 | Bauer | Round 5: Ioannidis, Evgenios - Bauer, Christian | Queen's Gambit Accepted | |
| Nov 4, 2025 | Engel | 0–1 | Ioannidis | Round 4: Engel, Bruno - Ioannidis, Evgenios | Scotch Game: Schmidt Variation | |
| Nov 3, 2025 | Ioannidis | 1–0 | Ammon | Round 3: Ioannidis, Evgenios - Ammon, Tobias | Slav Defense: Czech Variation, Krause Attack | |
| Nov 2, 2025 | Mohylnyi | ½–½ | Ioannidis | Round 2: Mohylnyi, Stepan - Ioannidis, Evgenios | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Nov 1, 2025 | Ioannidis | 1–0 | Schultz | Round 1: Ioannidis, Evgenios - Schultz, Andreas | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 13, 2025 | Ioannidis | 1–0 | Arnaudov | Round 10: Ioannidis, Evgenios - Arnaudov, G. Petar | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 13, 2025 | Giannoulakis | 0–1 | Ioannidis | Round 9: Giannoulakis, Lampros - Ioannidis, Evgenios | Zukertort Opening | |
| Sep 13, 2025 | Galopoulos | 1–0 | Ioannidis | Round 5: Galopoulos, Nikolaos - Ioannidis, Evgenios | Semi-Slav Defense: Chigorin Defense | |
| Sep 13, 2025 | Ioannidis | 0–1 | Magkalakis | Round 4: Ioannidis, Evgenios - Magkalakis, Stefanos | Nimzo-Indian Defense: Classical Variation, Milner-Barry Variation | |
| Sep 13, 2025 | Svicevic | 0–1 | Ioannidis | Round 3: Svicevic, Rastko - Ioannidis, Evgenios | Queen's Pawn Game: Levitsky Attack | |
| Sep 13, 2025 | Ioannidis | 1–0 | Hrisomalis | Round 2: Ioannidis, Evgenios - Hrisomalis, Theodoros | Queen's Gambit Declined: Queen's Knight Variation | |
| Sep 13, 2025 | Sampsonoglou | 0–1 | Ioannidis | Round 1: Sampsonoglou, Vasilios - Ioannidis, Evgenios | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Jul 22, 2025 | Ioannidis | 1–0 | Bukreev | Round 8: Ioannidis, Evgenios - Bukreev, Stanislav | Queen's Gambit Declined: Exchange Variation | |
| Jul 21, 2025 | Lisenkov | 0–1 | Ioannidis | Round 7: Lisenkov, Svyatoslav - Ioannidis, Evgenios | Scotch Game: Schmidt Variation | |
| Jul 20, 2025 | Ioannidis | ½–½ | Xu | Round 6: Ioannidis, Evgenios - Xu, Junwei | Queen's Indian Defense: Fianchetto Variation, Kramnik Variation | |
| Jul 17, 2025 | Ioannidis | 1–0 | Xi | Round 4: Ioannidis, Evgenios - Xi, Qi | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jul 16, 2025 | Zakin | 0–1 | Ioannidis | Round 3: Zakin, Ilay - Ioannidis, Evgenios | French Defense: Classical Variation, Burn Variation | |
| Jul 15, 2025 | Ioannidis | 1–0 | Nikhil M | Round 2: Ioannidis, Evgenios - Nikhil M | Tarrasch Defense: Two Knights Variation | |
| Jul 14, 2025 | Ioannidis | ½–½ | Predke | Round 9: Ioannidis, Evgenios - Predke, Alexandr | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 14, 2025 | Durak | 1–0 | Ioannidis | Round 5: Durak, Can - Ioannidis, Evgenios | Ruy Lopez: Morphy Defense, Tarrasch Variation | |
| Jul 14, 2025 | Alikhanyan | 0–1 | Ioannidis | Round 1: Alikhanyan, Artak - Ioannidis, Evgenios | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Jul 4, 2025 | Kotronias | ½–½ | Ioannidis | Round 7: Kotronias, Vasilios - Ioannidis, Evgenios | Ruy Lopez: Morphy Defense, Neo-Arkhangelsk Variation | |
| Jul 3, 2025 | Ioannidis | 1–0 | Tsaknakis | Round 6: Ioannidis, Evgenios - Tsaknakis, Zisis | King's Indian Defense: Averbakh Variation, Benoni Defense, Advance Variation | |
| Jul 3, 2025 | Ioannidis | ½–½ | Naoum | Round 4: Ioannidis, Evgenios - Naoum, Spyridon | English Opening: Caro-Kann Defensive System | |
| Jul 3, 2025 | Giannoulakis | ½–½ | Ioannidis | Round 3: Giannoulakis, Lampros - Ioannidis, Evgenios | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 3, 2025 | Ioannidis | 0–1 | Koutoukidis | Round 1: Ioannidis, Evgenios - Koutoukidis, Panagiotis | English Opening: Mikenas-Carls Variation | |
| Jul 3, 2025 | Alexakis | ½–½ | Ioannidis | Round 5: Alexakis, Dimitris - Ioannidis, Evgenios | Ruy Lopez: Morphy Defense | |
| May 17, 2025 | Tsarsitalidis | 0–1 | Ioannidis | Semifinals: Tsarsitalidis, Konstantinos - Ioannidis, Evgenios | Four Knights Game: Scotch Variation Accepted | |