| Sep 8, 2025 | Poupalos | 0–1 | Krallis | Round 2: Poupalos, Nikolaos - Krallis, Christos | Sicilian Defense: Kalashnikov Variation | |
| Sep 8, 2025 | Tzortzatos | 1–0 | Poupalos | Round 8: Tzortzatos, Dimosthenis Panagiot - Poupalos, Nikolaos | Sicilian Defense: Najdorf Variation | |
| Sep 7, 2025 | Poupalos | 0–1 | Papadopoulos | Round 7: Poupalos, Nikolaos - Papadopoulos, Georgios | French Defense: Exchange Variation | |
| Sep 6, 2025 | Poupalos | 1–0 | Antoniadis | Round 6: Poupalos, Nikolaos - Antoniadis, Anastasios | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Sep 5, 2025 | Kazantzoglou | ½–½ | Poupalos | Round 5: Kazantzoglou, Stefanos - Poupalos, Nikolaos | Sicilian Defense: Moscow Variation | |
| Sep 4, 2025 | Poupalos | 1–0 | Stavropoulos | Round 4: Poupalos, Nikolaos - Stavropoulos, Sotirios | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Sep 3, 2025 | Deli | 0–1 | Poupalos | Round 3: Deli, Eleanna Ratzvika - Poupalos, Nikolaos | Catalan Opening: Open Defense | |
| Sep 2, 2025 | Poupalos | ½–½ | Palaiologou | Round 2: Poupalos, Nikolaos - Palaiologou, Apostolos | Sicilian Defense: Kalashnikov Variation | |
| Sep 1, 2025 | Kalonomos | 0–1 | Poupalos | Round 1: Kalonomos, Ioannis - Poupalos, Nikolaos | King's Indian Attack | |
| Jul 6, 2025 | Pavlidis | 1–0 | Poupalos | Final: Pavlidis, Antonios - Poupalos, Nikolaos | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Jul 5, 2025 | Poupalos | 1–0 | Oikonomopoulos | Semi-Finals: Poupalos, Nikolaos - Oikonomopoulos, Filippos | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jul 4, 2025 | Hartofylakas | ½–½ | Poupalos | Round 7: Hartofylakas, Spyros - Poupalos, Nikolaos | Ruy Lopez: Closed | |
| Jul 3, 2025 | Poupalos | ½–½ | Stoimenidis | Round 6: Poupalos, Nikolaos - Stoimenidis, Dimitrios | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Jul 3, 2025 | Poupalos | 1–0 | Sandalakis | Round 3: Poupalos, Nikolaos - Sandalakis, Nikolaos | Ruy Lopez: Closed, Martinez Variation | |
| Jul 3, 2025 | Leftheriotis | 0–1 | Poupalos | Round 2: Leftheriotis, Alexandros - Poupalos, Nikolaos | Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line | |
| Jul 3, 2025 | Tagkaloglou | 1–0 | Poupalos | Round 5: Tagkaloglou, Savvas Stefanos - Poupalos, Nikolaos | Semi-Slav Defense: Botvinnik Variation | |
| Jun 22, 2025 | Poupalos | ½–½ | Babalikis | 43rd Hybrid Greek Cup F8 | Sicilian Defense: Najdorf Variation | |
| Jun 8, 2025 | Poupalos | ½–½ | Krallis | 43rd Hybrid Greek Cup 2025 F16 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Peresypkin's Sacrifice | |
| Jun 1, 2025 | Poupalos | ½–½ | Oikonomopoulos | Round 6: Poupalos, Nikolaos - Oikonomopoulos, Filippos | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| May 31, 2025 | Poupalos | ½–½ | Aggelis | Round 5: Poupalos, Nikolaos - Aggelis, Nikolaos | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| Sep 9, 2024 | Michelakos | ½–½ | Poupalos | 31ο OPEN ΣΚΑΚΙΣΤΙΚΟ ΤΟΥΡΝΟΥΑ ΝΙΚΑΙΑΣ \"ΤΙΜΗ ΣΤΗΝ ΕΘΝΙΚΗ ΑΝΤΙΣΤΑΣΗ\" A GROUP | Semi-Slav Defense: Meran Variation, Lundin Variation | |
| Sep 8, 2024 | Poupalos | 1–0 | Santorinaios | 31ο OPEN ΣΚΑΚΙΣΤΙΚΟ ΤΟΥΡΝΟΥΑ ΝΙΚΑΙΑΣ \"ΤΙΜΗ ΣΤΗΝ ΕΘΝΙΚΗ ΑΝΤΙΣΤΑΣΗ\" A GROUP | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation | |
| Sep 7, 2024 | Boulamatsis | 0–1 | Poupalos | 31ο OPEN ΣΚΑΚΙΣΤΙΚΟ ΤΟΥΡΝΟΥΑ ΝΙΚΑΙΑΣ \"ΤΙΜΗ ΣΤΗΝ ΕΘΝΙΚΗ ΑΝΤΙΣΤΑΣΗ\" A GROUP | French Defense: St. George Defense, Traditional Line | |
| Sep 5, 2024 | Kastis | ½–½ | Poupalos | 31ο OPEN ΣΚΑΚΙΣΤΙΚΟ ΤΟΥΡΝΟΥΑ ΝΙΚΑΙΑΣ \"ΤΙΜΗ ΣΤΗΝ ΕΘΝΙΚΗ ΑΝΤΙΣΤΑΣΗ\" A GROUP | Semi-Slav Defense: Accelerated Move Order | |
| Sep 4, 2024 | Poupalos | ½–½ | Zavrakidis | 31ο OPEN ΣΚΑΚΙΣΤΙΚΟ ΤΟΥΡΝΟΥΑ ΝΙΚΑΙΑΣ \"ΤΙΜΗ ΣΤΗΝ ΕΘΝΙΚΗ ΑΝΤΙΣΤΑΣΗ\" A GROUP | Sicilian Defense: Dragon Variation, Levenfish Variation, Main Line | |
| Sep 1, 2024 | Armaos | 1–0 | Poupalos | 31ο OPEN ΣΚΑΚΙΣΤΙΚΟ ΤΟΥΡΝΟΥΑ ΝΙΚΑΙΑΣ \"ΤΙΜΗ ΣΤΗΝ ΕΘΝΙΚΗ ΑΝΤΙΣΤΑΣΗ\" A GROUP | Rubinstein Opening: Classical Defense | |
| Jul 10, 2024 | Poupalos | 0–1 | Panagiotakos | Greek League 2024 | Ruy Lopez: Cozio Defense | |
| Jul 9, 2024 | Gkavardinas | ½–½ | Poupalos | Greek League 2024 | Sicilian Defense: Najdorf Variation, English Attack | |
| Jul 8, 2024 | Galopoulos | 1–0 | Poupalos | Greek League 2024 | Catalan Opening: Open Defense | |
| Jul 7, 2024 | Poupalos | 1–0 | Kazantzoglou | Greek League 2024 | Ruy Lopez: Morphy Defense, Duras Variation | |
| Jul 6, 2024 | Hartofylakas | ½–½ | Poupalos | Greek League 2024 | King's Indian Attack: Yugoslav Variation | |
| Jul 5, 2024 | Poupalos | ½–½ | Nikolaou | Greek League 2024 | Ruy Lopez: Schliemann Defense | |
| Jul 4, 2024 | Danis | 0–1 | Poupalos | Greek League 2024 | Nimzo-Indian Defense: Kmoch Variation | |
| Dec 1, 2024 | Poupalos | 1–0 | Tagkaloglou | Round 6: Poupalos, Nikolaos - Tagkaloglou, Savvas Stefanos | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Nov 30, 2024 | Poupalos | ½–½ | Anagnostopoulos | Round 4: Poupalos, Nikolaos - Anagnostopoulos, Panagiotis | Nimzo-Larsen Attack: Classical Variation | |
| Nov 29, 2024 | Hartofylakas | ½–½ | Poupalos | Round 3: Hartofylakas, Spyros - Poupalos, Nikolaos | Sicilian Defense: Alapin Variation, Barmen Defense, Modern Line | |
| Aug 5, 2024 | Sahbudak | 1–0 | Poupalos | Round 9: Sahbudak, Baris Cinar - Poupalos, Nikolaos | Sicilian Defense: Closed, Traditional | |
| Aug 4, 2024 | Poupalos | 0–1 | Tarhan | Round 8: Poupalos, Nikolaos - Tarhan, Adar | Sicilian Defense: O'Kelly Variation, Maróczy Bind | |
| Aug 3, 2024 | Dogias | 0–1 | Poupalos | Round 7: Dogias, Christos - Poupalos, Nikolaos | Sicilian Defense: Najdorf Variation, English Attack | |
| Jul 30, 2024 | Odabasi | 1–0 | Poupalos | Round 3: Odabasi, Ruzgar - Poupalos, Nikolaos | Semi-Slav Defense: Accelerated Move Order | |
| Nov 24, 2023 | Borrmann | 1–0 | Poupalos | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Open 16 | Sicilian Defense: Najdorf Variation | |
| Nov 23, 2023 | Poupalos | 1–0 | Palczert | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Open 16 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Nov 22, 2023 | Paseka | ½–½ | Poupalos | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Open 16 | Sicilian Defense: Najdorf Variation | |
| Nov 21, 2023 | Poupalos | 0–1 | Kvaloy | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Open 16 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Nov 20, 2023 | Heinrich | 0–1 | Poupalos | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Open 16 | Sicilian Defense: Moscow Variation | |
| Nov 18, 2023 | Poupalos | 1–0 | Karsten | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Open 16 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Nov 16, 2023 | Sapenov | 1–0 | Poupalos | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Open 16 | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Nov 15, 2023 | Poupalos | 0–1 | Anand | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Open 16 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Nov 14, 2023 | Lavrencic | 0–1 | Poupalos | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Open 16 | Sicilian Defense: Closed | |
| Aug 17, 2022 | Gavriil | 0–1 | Poupalos | National Greek Team Championship | King's Indian Attack | |
| Aug 16, 2022 | Poupalos | ½–½ | Nteligiorgis | National Greek Team Championship | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Aug 15, 2022 | Stefanou | 1–0 | Poupalos | National Greek Team Championship | King's Indian Attack | |
| Aug 14, 2022 | Poupalos | 0–1 | Stamatiou | National Greek Team Championship | Sicilian Defense: Najdorf Variation | |
| Aug 13, 2022 | Tsakonas | ½–½ | Poupalos | National Greek Team Championship | Queen's Pawn Game: Symmetrical Variation | |
| Aug 13, 2022 | Sotiropoulos | ½–½ | Poupalos | National Greek Team Championship | King's Indian Attack | |
| Jun 19, 2022 | Ramoutar | 1–0 | Poupalos | Silver Lake Open | Sicilian Defense: Closed | |
| Sep 12, 2021 | Poupalos | ½–½ | Brokalakis - Gounaris | Greek Team Championship | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Sep 11, 2021 | Poupalos | ½–½ | Makridis | Greek Team Championship | Sicilian Defense: Lasker-Pelikan Variation | |
| Sep 10, 2021 | Poupalos | ½–½ | Tragoudaras | Greek Team Championship | Sicilian Defense: Najdorf Variation | |
| Sep 9, 2021 | Poupalos | 0–1 | Stamatiou | Greek Team Championship | Sicilian Defense: Najdorf Variation | |
| Sep 8, 2021 | Poupalos | 1–0 | Koulouris | Greek Team Championship | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Sep 8, 2021 | Poupalos | 1–0 | Kotsinis | Greek Team Championship | Four Knights Game: Scotch Variation Accepted | |
| Sep 7, 2021 | Ikonomou | 0–1 | Poupalos | Greek Team Championship | Sicilian Defense: Closed | |
| Aug 11, 2021 | Poupalos | 1–0 | Salonen | World Youth Cup 2021 O14-G14 - Open 14 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Aug 11, 2021 | Poupalos | 0–1 | Herdem | World Youth Cup 2021 O14-G14 - Open 14 | Owen Defense | |
| Aug 11, 2021 | Poupalos | 1–0 | Sweeney-Barrett | World Youth Cup 2021 O14-G14 - Open 14 | Italian Game: Giuoco Pianissimo, Normal | |
| Aug 11, 2021 | Poupalos | 1–0 | Kiziria | World Youth Cup 2021 O14-G14 - Open 14 | Sicilian Defense: Lasker-Pelikan Variation | |
| Aug 11, 2021 | Sean Kunda | 0–1 | Poupalos | World Youth Cup 2021 O14-G14 - Open 14 | Sicilian Defense: Lasker-Pelikan Variation, Schlechter Variation | |
| Aug 11, 2021 | Sidharth S | 1–0 | Poupalos | World Youth Cup 2021 O14-G14 - Open 14 | Nimzo-Indian Defense: Three Knights Variation | |
| Aug 11, 2021 | Fleri | 0–1 | Poupalos | World Youth Cup 2021 O14-G14 - Open 14 | Sicilian Defense: Alapin Variation, Barmen Defense, Modern Line | |
| Aug 11, 2021 | Revinthran | 1–0 | Poupalos | World Youth Cup 2021 O14-G14 - Open 14 | Sicilian Defense: Kalashnikov Variation | |
| Aug 11, 2021 | Shaw | 1–0 | Poupalos | World Youth Cup 2021 O14-G14 - Open 14 | Sicilian Defense: Moscow Variation | |
| Aug 8, 2021 | Poupalos | * | Nikolakis | 30th OPEN Chess International Tournament | ? | |
| Aug 7, 2021 | Mixakis | * | Poupalos | 30th OPEN Chess International Tournament | ? | |
| Aug 6, 2021 | Poupalos | * | Kormas | 30th OPEN Chess International Tournament | ? | |
| Aug 5, 2021 | Alexakis | * | Poupalos | 30th OPEN Chess International Tournament | ? | |
| Aug 4, 2021 | Poupalos | * | Tzovanis | 30th OPEN Chess International Tournament | ? | |
| Aug 3, 2021 | Vasiliadis | * | Poupalos | 30th OPEN Chess International Tournament | ? | |
| Aug 2, 2021 | Poupalos | * | Mashchenko | 30th OPEN Chess International Tournament | ? | |
| Aug 2, 2021 | Stoimenidis | * | Poupalos | 30th OPEN Chess International Tournament | ? | |
| Aug 1, 2021 | Poupalos | 0–1 | Vrolijk | 30th OPEN Chess International Tournament | Modern Defense: Standard Defense | |
| Jul 29, 2021 | Shehzad | * | Poupalos | 14th Paleochora International Tournament | ? | |
| Jul 27, 2021 | Terryn | * | Poupalos | 13th International Tournament of Paleochora | ? | |
| Jul 26, 2021 | Poupalos | * | Karagiorgos | 14th Paleochora International Tournament | ? | |
| Jul 26, 2021 | Poupalos | * | Karagiorgos | 13th International Tournament of Paleochora | ? | |
| Jul 24, 2021 | Poupalos | * | Chasourakis | 13th International Tournament of Paleochora | ? | |
| Jul 24, 2021 | Gatineau | 1–0 | Poupalos | 14th Paleochora International Chess Tournament 2021 | ? | |
| — | Poupalos | 1–0 | Toliopoulos | Round 1: Poupalos, Nikolaos - Toliopoulos, Konstantinos | Ruy Lopez: Morphy Defense, Arkhangelsk Variation | |
| — | Poupalos | ½–½ | Niedbala | Round 3: Poupalos, Nikolaos - Niedbala, Bartlomiej | Sicilian Defense: Godiva Variation | |
| — | Poupalos | 1–0 | Gaboyan | Round 5: Poupalos, Nikolaos - Gaboyan, Susanna | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| — | Poupalos | ½–½ | Dogias | Round 7: Poupalos, Nikolaos - Dogias, Christos | Four Knights Game: Scotch Variation Accepted | |
| — | Poupalos | 1–0 | Mnatsakanyan | Round 8: Poupalos, Nikolaos - Mnatsakanyan, Aren | Caro-Kann Defense: Tartakower Variation | |
| — | Basinas | 0–1 | Poupalos | National Greek Team Championship | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| — | Balafoutas | 0–1 | Poupalos | Round 2: Balafoutas, Alexandros - Poupalos, Nikolaos | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| — | Tsarsitalidis | 0–1 | Poupalos | Round 4: Tsarsitalidis, Christos - Poupalos, Nikolaos | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| — | Qalichava | 1–0 | Poupalos | Round 6: Qalichava, Akaki - Poupalos, Nikolaos | Sicilian Defense: Chekhover Variation | |
| — | Mohamed Anees M | 1–0 | Poupalos | Round 9: Mohamed Anees M - Poupalos, Nikolaos | Catalan Opening: Open Defense | |