| Jan 11, 2024 | Nikolaos Poupalos | ½–½ | Ioannis Nikolaidis | Round 9: Nikolaos Poupalos - Ioannis Nikolaidis | Sicilian Defense: Lasker-Pelikan Variation | |
| Jan 10, 2024 | Vedant Nagarkatte | ½–½ | Nikolaos Poupalos | Round 8: Vedant Nagarkatte - Nikolaos Poupalos | Sicilian Defense: Najdorf Variation | |
| Jan 9, 2024 | Spyridon Kapnisis | 1–0 | Nikolaos Poupalos | Round 7: Spyridon Kapnisis - Nikolaos Poupalos | Sicilian Defense: Najdorf Variation, English Attack | |
| Jan 8, 2024 | Nikolaos Poupalos | 0–1 | Stamatis Kourkoulos-Arditis | Round 6: Nikolaos Poupalos - Stamatis Kourkoulos-Arditis | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jan 7, 2024 | Dimitris Alexakis | ½–½ | Nikolaos Poupalos | Round 5: Dimitris Alexakis - Nikolaos Poupalos | Sicilian Defense: Moscow Variation | |
| Jan 6, 2024 | Nikolaos Poupalos | 1–0 | Mahendru Jaiveer | Round 4: Nikolaos Poupalos - Mahendru Jaiveer | Ruy Lopez: Open, Dilworth Variation | |
| Jan 5, 2024 | Tao Pang | ½–½ | Nikolaos Poupalos | Round 3: Tao Pang - Nikolaos Poupalos | Semi-Slav Defense: Meran Variation, Lundin Variation | |
| Jan 4, 2024 | Nikolaos Poupalos | 0–1 | Jakub Kosakowski | Round 2: Nikolaos Poupalos - Jakub Kosakowski | Sicilian Defense: Taimanov Variation | |
| Jan 3, 2024 | Nikolaos Spyropoulos | ½–½ | Nikolaos Poupalos | Round 1: Nikolaos Spyropoulos - Nikolaos Poupalos | Semi-Slav Defense: Stoltz Variation | |
| Sep 7, 2023 | Nikolaos Poupalos | 0–1 | Mikhail Tobak | Round 3: Nikolaos Poupalos - Mikhail Tobak | Ruy Lopez: Closed, Chigorin Defense | |
| Sep 6, 2023 | Arthur De Winter | ½–½ | Nikolaos Poupalos | Round 2: Arthur De Winter - Nikolaos Poupalos | Sicilian Defense: Najdorf Variation | |
| Aug 30, 2023 | Thomas Merkos | 0–1 | Nikolaos Poupalos | Round 7: Thomas Merkos - Nikolaos Poupalos | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Aug 29, 2023 | Nikolaos Poupalos | 1–0 | Charalampos Kamperidis | Round 1: Nikolaos Poupalos - Charalampos Kamperidis | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Aug 29, 2023 | Nikolaos Poupalos | 0–1 | Vasilis Sidiropoulos | Round 2: Nikolaos Poupalos - Vasilis Sidiropoulos | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Aug 29, 2023 | Michail Karamichos | ½–½ | Nikolaos Poupalos | Round 4: Michail Karamichos - Nikolaos Poupalos | English Opening: Neo-Catalan | |
| Aug 29, 2023 | Christos Tsarsitalidis | ½–½ | Nikolaos Poupalos | Round 6: Christos Tsarsitalidis - Nikolaos Poupalos | Sicilian Defense: Najdorf Variation, English Attack | |
| Jul 9, 2023 | Anastasios Vassis | ½–½ | Nikolaos Poupalos | Round 9: Anastasios Vassis - Nikolaos Poupalos | Richter-Veresov Attack | |
| Jul 3, 2023 | Nikolaos Poupalos | 1–0 | Stylianos Alepoudeas | Round 1: Nikolaos Poupalos - Stylianos Alepoudeas | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Jun 25, 2023 | Theodoros Sideris | 0–1 | Nikolaos Poupalos | Round 9: Theodoros Sideris - Nikolaos Poupalos | French Defense: Tarrasch Variation, Open System, Main Line | |
| Jun 23, 2023 | Dimitrios Kassios | ½–½ | Nikolaos Poupalos | Round 7: Dimitrios Kassios - Nikolaos Poupalos | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jun 22, 2023 | Alexandros Papasimakopoulos | 1–0 | Nikolaos Poupalos | Round 6: Alexandros Papasimakopoulos - Nikolaos Poupalos | Nimzo-Indian Defense: Sämisch Variation | |
| Jun 21, 2023 | Nikolaos Poupalos | 1–0 | Apostolos Koutourinis | Round 5: Nikolaos Poupalos - Apostolos Koutourinis | Sicilian Defense: Dragon Variation, Yugoslav Attack, Panov Variation | |
| Jun 20, 2023 | Apostolos Lafkidis | ½–½ | Nikolaos Poupalos | Round 4: Apostolos Lafkidis - Nikolaos Poupalos | Sicilian Defense: Chekhover Variation | |
| Jun 19, 2023 | Nikolaos Poupalos | 1–0 | Ioannis Kiryttopoulos | Round 3: Nikolaos Poupalos - Ioannis Kiryttopoulos | Sicilian Defense: Lasker-Pelikan Variation | |
| Sep 16, 2022 | Savva Vetokhin | 0–1 | Nikolaos Poupalos | Round 11: Savva Vetokhin - Nikolaos Poupalos | Queen's Pawn Game: Symmetrical Variation | |
| Sep 15, 2022 | Nikolaos Poupalos | 1–0 | Leonardo Costa | Round 10: Nikolaos Poupalos - Leonardo Costa | Caro-Kann Defense: Advance Variation, Bayonet Attack | |
| Sep 14, 2022 | Kristof Pal Kolimar | 0–1 | Nikolaos Poupalos | Round 9: Kristof Pal Kolimar - Nikolaos Poupalos | Réti Opening: Advance Variation | |
| Sep 13, 2022 | Nikolaos Poupalos | 1–0 | Javier Habans Aguerrea | Round 8: Nikolaos Poupalos - Javier Habans Aguerrea | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Sep 12, 2022 | Battulga Tenuunbold | 1–0 | Nikolaos Poupalos | Round 7: Battulga Tenuunbold - Nikolaos Poupalos | Catalan Opening | |
| Sep 11, 2022 | Nikolaos Poupalos | 1–0 | Dragos Stefan Leu | Round 6: Nikolaos Poupalos - Dragos Stefan Leu | Sicilian Defense: Najdorf Variation, English Attack | |
| Sep 7, 2022 | Arthur De Winter | 1–0 | Nikolaos Poupalos | Round 2: Arthur De Winter - Nikolaos Poupalos | Sicilian Defense: Najdorf Variation | |
| Mar 20, 2022 | Nikolaos Poupalos | * | Virgilio Vuelban | Round 9: Nikolaos Poupalos - Virgilio Vuelban | ? | |
| Mar 20, 2022 | Michael Kotyk | * | Nikolaos Poupalos | Round 8: Michael Kotyk - Nikolaos Poupalos | ? | |
| Mar 19, 2022 | Giulio Calavalle | * | Nikolaos Poupalos | Round 7: Giulio Calavalle - Nikolaos Poupalos | ? | |
| Mar 19, 2022 | Nikolaos Poupalos | * | Giulia Sala | Round 6: Nikolaos Poupalos - Giulia Sala | ? | |
| Mar 18, 2022 | Aaron Matthes | * | Nikolaos Poupalos | Round 5: Aaron Matthes - Nikolaos Poupalos | ? | |
| Mar 18, 2022 | Nikolaos Poupalos | * | Jari Reuker | Round 4: Nikolaos Poupalos - Jari Reuker | ? | |
| Mar 17, 2022 | Simon Knudsen | * | Nikolaos Poupalos | Round 3: Simon Knudsen - Nikolaos Poupalos | ? | |
| Mar 17, 2022 | Nikolaos Poupalos | * | Alessandro Granaldi | Round 2: Nikolaos Poupalos - Alessandro Granaldi | ? | |
| Mar 16, 2022 | Kulkarni Ojas | * | Nikolaos Poupalos | Round 1: Kulkarni Ojas - Nikolaos Poupalos | ? | |
| Oct 29, 2021 | Tiziano Patrignani | * | Nikolaos Poupalos | Round 4: Tiziano Patrignani - Nikolaos Poupalos | Indian Defense: Dzindzi-Indian Defense | |
| Oct 28, 2021 | Kai-Uwe Schmidt | ½–½ | Nikolaos Poupalos | Round 2: Kai-Uwe Schmidt - Nikolaos Poupalos | Torre Attack: Classical Defense | |
