| Feb 14, 2026 | Tetepoulidis | 0–1 | Shengelia | Round 1: Tetepoulidis, Ioannis - Shengelia, David | Sicilian Defense: Closed | |
| Jan 9, 2026 | Tetepoulidis | 1–0 | Daskalov | Round 8: Tetepoulidis, Ioannis - Daskalov, Dimitar | Philidor Defense: Exchange Variation | |
| Jan 8, 2026 | Trimitzios | ½–½ | Tetepoulidis | Round 7: Trimitzios, Petros - Tetepoulidis, Ioannis | Zukertort Opening: Nimzo-Larsen Variation | |
| Jan 7, 2026 | Tetepoulidis | ½–½ | Tsaknakis | Round 6: Tetepoulidis, Ioannis - Tsaknakis, Zisis | Caro-Kann Defense: Exchange Variation | |
| Jan 6, 2026 | Tetepoulidis | 1–0 | Kesidis | Round 5: Tetepoulidis, Ioannis - Kesidis, Odyseas | Sicilian Defense | |
| Jan 5, 2026 | Kalogridis | ½–½ | Tetepoulidis | Round 4: Kalogridis, Antonios - Tetepoulidis, Ioannis | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Jan 4, 2026 | Koutsantonakis | 0–1 | Tetepoulidis | Round 3: Koutsantonakis, Emmanouil - Tetepoulidis, Ioannis | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Jan 4, 2026 | Tetepoulidis | 0–1 | Kotronias | Round 2: Tetepoulidis, Ioannis - Kotronias, Vasilios | Sicilian Defense: Grand Prix Attack | |
| Jan 3, 2026 | Siskou | 0–1 | Tetepoulidis | Round 1: Siskou, Evangelia - Tetepoulidis, Ioannis | Rapport-Jobava System | |
| Dec 31, 2025 | Krallis | 1–0 | Tetepoulidis | Round 9: Krallis, Christos - Tetepoulidis, Ioannis | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Jul 19, 2025 | Tetepoulidis | 1–0 | Rosol | Round 9: Tetepoulidis, Ioannis - Rosol, Philip | Sicilian Defense: Grand Prix Attack | |
| Jul 17, 2025 | Tetepoulidis | ½–½ | Naoum | Round 7: Tetepoulidis, Ioannis - Naoum, Spyridon | French Defense: Exchange Variation | |
| Jul 16, 2025 | Kesoglou | 0–1 | Tetepoulidis | Round 6: Kesoglou, Konstantinos - Tetepoulidis, Ioannis | King's Indian Defense: Fianchetto Variation, Larsen Defense | |
| Jul 15, 2025 | Tetepoulidis | ½–½ | Velicka | Round 5: Tetepoulidis, Ioannis - Velicka, Petr | Sicilian Defense: Closed, Traditional | |
| Jul 14, 2025 | Tetepoulidis | 1–0 | Chatzipanagiotou | Round 4: Tetepoulidis, Ioannis - Chatzipanagiotou, Asimenia | Sicilian Defense: Grand Prix Attack | |
| Jul 13, 2025 | Tetepoulidis | 1–0 | Zamit | Round 2: Tetepoulidis, Ioannis - Zamit, Kyriakos | Sicilian Defense: Closed | |
| Jul 12, 2025 | Triantaphylidis | 0–1 | Tetepoulidis | Round 1: Triantaphylidis, Alexandros I - Tetepoulidis, Ioannis | Old Indian Defense: Janowski Variation, Main Line | |
| Jul 12, 2025 | Fragkos | 1–0 | Tetepoulidis | Round 8: Fragkos, Vasileios - Tetepoulidis, Ioannis | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jul 12, 2025 | Patrelakis | 1–0 | Tetepoulidis | Round 3: Patrelakis, Evaggelos - Tetepoulidis, Ioannis | Scandinavian Defense: Gubinsky-Melts Defense | |
| Oct 25, 2024 | Pietruszewski | 1–0 | Tetepoulidis | Round 7: Pietruszewski, Marcin - Tetepoulidis, Ioannis | Scandinavian Defense: Classical Variation | |
| Oct 24, 2024 | Tetepoulidis | 1–0 | Giedraitis | Round 6: Tetepoulidis, Ioannis - Giedraitis, Mingaudas | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Oct 24, 2024 | Tommasini | ½–½ | Tetepoulidis | Round 5: Tommasini, Enzo - Tetepoulidis, Ioannis | King's Indian Attack: Symmetrical Defense | |
| Oct 23, 2024 | Tetepoulidis | ½–½ | Skwarczynski | Round 4: Tetepoulidis, Ioannis - Skwarczynski, Marcin | French Defense: Tarrasch Variation | |
| Oct 22, 2024 | Tetepoulidis | 1–0 | Dekker | Round 2: Tetepoulidis, Ioannis - Dekker, Ard | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Oct 22, 2024 | Pedersen | ½–½ | Tetepoulidis | Round 3: Pedersen, Finn - Tetepoulidis, Ioannis | East Indian Defense | |
| Oct 21, 2024 | Risk | 0–1 | Tetepoulidis | Round 1: Risk, Gregory - Tetepoulidis, Ioannis | Indian Defense: Wade-Tartakower Defense | |
| Jul 27, 2021 | Sorensen | * | Tetepoulidis | 13th International Tournament of Paleochora | ? | |
| Jul 26, 2021 | Tetepoulidis | * | Hristodoulou | 14th Paleochora International Tournament | ? | |
| Jul 26, 2021 | Tetepoulidis | * | Hristodoulou | 13th International Tournament of Paleochora | ? | |
| Jul 24, 2021 | Tetepoulidis | * | Gatineau | 13th International Tournament of Paleochora | ? | |
| Jul 24, 2021 | Krallis | ½–½ | Tetepoulidis | 14th Paleochora International Chess Tournament 2021 | ? | |
