| Apr 17, 2026 | Fragkakis | 0–1 | Bartzos | Round 5: Fragkakis, Georgios - Bartzos, Iasonas | Four Knights Game: Scotch Variation Accepted, Main Line | |
| Apr 16, 2026 | Bartzos | 1–0 | Borisov | Round 4: Bartzos, Iasonas - Borisov, Filippos | Tarrasch Defense: Prague Variation | |
| Apr 9, 2026 | Kakagiannis | ½–½ | Bartzos | Round 9: Kakagiannis, Stylianos - Bartzos, Iasonas | Nimzo-Larsen Attack: Modern Variation | |
| Apr 9, 2026 | Bartzos | ½–½ | Tsarouchas | Round 8: Bartzos, Iasonas - Tsarouchas, Athanasios | Scandinavian Defense: Gubinsky-Melts Defense | |
| Apr 9, 2026 | Gkountroumpis | 0–1 | Bartzos | Round 7: Gkountroumpis, Ioannis - Bartzos, Iasonas | Ruy Lopez: Berlin Defense, l'Hermet Variation | |
| Apr 9, 2026 | Bartzos | 1–0 | Kasmeridis | Round 6: Bartzos, Iasonas - Kasmeridis, Orfeas | French Defense: Tarrasch Variation, Eliskases Variation | |
| Apr 9, 2026 | Nikomanis | 0–1 | Bartzos | Round 3: Nikomanis, Vasileios - Bartzos, Iasonas | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Apr 9, 2026 | Bartzos | 1–0 | Di Giorgio | Round 2: Bartzos, Iasonas - Di Giorgio, Nikolaos | King's Gambit | |
| Apr 9, 2026 | Katsoulis | 0–1 | Bartzos | Round 1: Katsoulis, Nikolaos - Bartzos, Iasonas | Scotch Game: Malaniuk Variation | |
| Jan 7, 2026 | Bartzos | 1–0 | Travlos | Round 7: Bartzos, Iasonas - Travlos, Markos | English Opening: King's English Variation, Two Knights Variation, Keres Variation | |
| Jan 6, 2026 | Bartzos | 1–0 | Melegkos | Round 6: Bartzos, Iasonas - Melegkos, Konstantinos | King's Indian Attack: Wahls Defense | |
| Jan 5, 2026 | Tsigkogiannis | 1–0 | Bartzos | Round 5: Tsigkogiannis, Panagiotis - Bartzos, Iasonas | Sicilian Defense: Hyperaccelerated Dragon | |
| Dec 31, 2025 | Bartzos | 1–0 | Syngounis | Round 2: Bartzos, Iasonas - Syngounis, Filippos | Hungarian Opening | |
| Dec 31, 2025 | Bartzos | 1–0 | Patsios | Round 4: Bartzos, Iasonas - Patsios, Ioannis L | Ruy Lopez: Closed, Martinez Variation | |
| Dec 31, 2025 | Xynidis | 0–1 | Bartzos | Round 3: Xynidis, Maximos - Bartzos, Iasonas | King's Indian Defense: Semi-Classical Variation | |
| Jul 10, 2025 | Bartzos | 0–1 | Rompanos | Round 6: Bartzos, Iasonas - Rompanos, Alexandros | Italian Game: Scotch Gambit, Max Lange Attack | |
| Jul 8, 2025 | Tsarouchas | 0–1 | Bartzos | Round 3: Tsarouchas, Athanasios - Bartzos, Iasonas | Sicilian Defense: Old Sicilian | |
| Jul 7, 2025 | Bartzos | 1–0 | Stefanis | Round 2: Bartzos, Iasonas - Stefanis, Stefanos G | Sicilian Defense: Prins Variation | |
| Jul 6, 2025 | Tsigkogiannis | 0–1 | Bartzos | Round 1: Tsigkogiannis, Panagiotis - Bartzos, Iasonas | Sicilian Defense: Old Sicilian | |
| Jul 6, 2025 | Bartzos | ½–½ | Kalonomos | Round 4: Bartzos, Iasonas - Kalonomos, Ioannis | Ruy Lopez: Exchange, Alekhine Variation | |
| Jul 6, 2025 | Alexandrakis | 1–0 | Bartzos | Round 5: Alexandrakis, Vasileios Sp - Bartzos, Iasonas | Sicilian Defense: Classical Variation, Sozin Attack | |
| Jul 4, 2025 | Bartzos | 0–1 | Toumpakaris | Round 7: Bartzos, Iasonas - Toumpakaris, Grigorios Emmanouil | Ruy Lopez: Bird Variation | |
| Jul 3, 2025 | Kazakis | 1–0 | Bartzos | Round 6: Kazakis, Mattheos Konstantinos - Bartzos, Iasonas | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Jul 3, 2025 | Skordilis | 0–1 | Bartzos | Round 4: Skordilis, Stefanos - Bartzos, Iasonas | Sicilian Defense: Closed | |
| Jul 3, 2025 | Bartzos | 0–1 | Rakitzis | Round 2: Bartzos, Iasonas - Rakitzis, Alexanter Emmanouel | Sicilian Defense: French Variation | |
| Jul 3, 2025 | Bartzos | 1–0 | Papadopoulos | Round 5: Bartzos, Iasonas - Papadopoulos, Antonios P | Sicilian Defense: Kalashnikov Variation | |
| Apr 28, 2025 | Bartzos | * | Tegos | Round 9: Bartzos, Iasonas - Tegos, Lampros | ? | |
| Apr 27, 2025 | Kallaras | * | Bartzos | Round 8: Kallaras, Georgios - Bartzos, Iasonas | ? | |
| Apr 26, 2025 | Patrinos | 1–0 | Bartzos | Round 7: Patrinos, Ektor - Bartzos, Iasonas | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Apr 25, 2025 | Bartzos | 0–1 | Theodoridis | Round 5: Bartzos, Iasonas - Theodoridis, Charalampos | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Apr 25, 2025 | Bartzos | 0–1 | Karageorgos | Round 6: Bartzos, Iasonas - Karageorgos, Alexios | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Apr 24, 2025 | Skodras | 1–0 | Bartzos | Round 4: Skodras, Marios Konstantinos - Bartzos, Iasonas | Sicilian Defense: Classical Variation, Fianchetto Variation | |
| Apr 23, 2025 | Bartzos | 1–0 | Kiryttopoulos | Round 3: Bartzos, Iasonas - Kiryttopoulos, Panagiotis Aris | Sicilian Defense: Prins Variation | |
| Jan 5, 2025 | Karanasou | 1–0 | Bartzos | Round 6: Karanasou, Ourania Fanouria - Bartzos, Iasonas | ? | |
| Jan 4, 2025 | Bartzos | 0–1 | Deligiannis | Round 5: Bartzos, Iasonas - Deligiannis, Christos Nikolaos | Sicilian Defense: Prins Variation | |
| Aug 31, 2024 | Hu | 1–0 | Bartzos | EYCC 2024 - O08 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Aug 30, 2024 | Puzas | 0–1 | Bartzos | EYCC 2024 - O08 | Sicilian Defense: Closed | |
| Aug 29, 2024 | Bartzos | 0–1 | Demchenko | EYCC 2024 - O08 | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Aug 28, 2024 | Szumiec | 0–1 | Bartzos | EYCC 2024 - O08 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Aug 26, 2024 | Bartzos | 0–1 | Hanas | EYCC 2024 - O08 | Sicilian Defense: Taimanov Variation | |
| Aug 25, 2024 | Predarski | 0–1 | Bartzos | EYCC 2024 - O08 | Rapport-Jobava System | |
| Aug 24, 2024 | Bartzos | 1–0 | Petrenko | EYCC 2024 - O08 | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| Jul 9, 2024 | Bartzos | 1–0 | Misios | Greek League 2024 | Sicilian Defense: Taimanov Variation | |
| Jul 8, 2024 | Bartzos | ½–½ | Volani | Greek League 2024 | French Defense: Tarrasch Variation, Chistyakov Defense, Modern Line | |
| Jul 6, 2024 | Mekolli | 1–0 | Bartzos | Greek League 2024 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Jul 5, 2024 | Kassios | 1–0 | Bartzos | Greek League 2024 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Jun 21, 2024 | Maragkakis | 0–1 | Bartzos | Round 9: Maragkakis, Emmanouil - Bartzos, Iasonas | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Jun 21, 2024 | Bartzos | 1–0 | Kasmeridis | Round 8: Bartzos, Iasonas - Kasmeridis, Orfeas | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| Jun 21, 2024 | Patsiotis | 0–1 | Bartzos | Round 7: Patsiotis, Konstantinos - Bartzos, Iasonas | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Jun 21, 2024 | Bartzos | 1–0 | Kakagiannis | Round 6: Bartzos, Iasonas - Kakagiannis, Stylianos | Scotch Game: Benima Defense | |
| Jun 21, 2024 | Gkrekidis | 0–1 | Bartzos | Round 5: Gkrekidis, Konstantinos - Bartzos, Iasonas | Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation | |
| Jun 21, 2024 | Bartzos | 1–0 | Wolters | Round 4: Bartzos, Iasonas - Wolters, Maximos | Scandinavian Defense: Main Line | |
| Jun 21, 2024 | Borisov | 0–1 | Bartzos | Round 3: Borisov, Filippos - Bartzos, Iasonas | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jun 21, 2024 | Bartzos | 1–0 | Nikomanis | Round 2: Bartzos, Iasonas - Nikomanis, Vasileios | Ponziani Opening: Jaenisch Counterattack | |
| Jun 21, 2024 | Mamoulakis | 0–1 | Bartzos | Round 1: Mamoulakis, Charalampos Ch - Bartzos, Iasonas | Sicilian Defense: Hyperaccelerated Fianchetto | |
| May 12, 2024 | Zacharakis | 0–1 | Bartzos | Round 7: Zacharakis, Ilias - Bartzos, Iasonas | Sicilian Defense: Modern Variations | |
| May 11, 2024 | Bartzos | 1–0 | Gkatsos | Round 6: Bartzos, Iasonas - Gkatsos, Georgios | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| May 10, 2024 | Bartzos | 1–0 | Danezis | Round 5: Bartzos, Iasonas - Danezis, Prodromos | Ponziani Opening: Jaenisch Counterattack | |
| May 9, 2024 | Kalonomos | ½–½ | Bartzos | Round 4: Kalonomos, Ioannis - Bartzos, Iasonas | Sicilian Defense: Dragon Variation, Yugoslav Attack | |
| May 8, 2024 | Bartzos | 1–0 | Evangelis | Round 3: Bartzos, Iasonas - Evangelis, Markos Theofanis | Scotch Game: Haxo Gambit | |
| — | Bartzos | ½–½ | Verbic | Round 4: Bartzos, Iasonas - Verbic, Jan | English Opening: King's English Variation, Closed System, Full Symmetry | |
| — | Bartzos | 1–0 | Badescu | Round 2: Bartzos, Iasonas - Badescu, Matei-Andrei | Sicilian Defense: Prins Variation | |
| — | Badescu | 1–0 | Bartzos | Round 1: Badescu, Matei-Andrei - Bartzos, Iasonas | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |