| Jul 24, 2026 | Lampart | ½–½ | Katajainen | Round 5: Lampart, Alfons - Katajainen, Sebastian | Queen's Gambit Declined: Modern Variation | |
| Jul 24, 2026 | Katajainen | 0–1 | Lampart | Round 5: Katajainen, Sebastian - Lampart, Alfons | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| Jul 24, 2026 | Katajainen | 0–1 | Lampart | Round 5: Katajainen, Sebastian - Lampart, Alfons | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| Jul 23, 2026 | Katajainen | 0–1 | Jaillet | Round 4: Katajainen, Sebastian - Jaillet, Léon | French Defense: Advance Variation, Paulsen Attack | |
| Jul 23, 2026 | Jaillet | 1–0 | Katajainen | Round 4: Jaillet, Léon - Katajainen, Sebastian | Italian Game: Giuoco Piano, Greco's Attack | |
| Jul 23, 2026 | Jaillet | 1–0 | Katajainen | Round 4: Jaillet, Léon - Katajainen, Sebastian | Italian Game: Two Knights Defense, Ponziani-Steinitz Gambit | |
| Jul 22, 2026 | Katajainen | 1–0 | Hochstrasser | Round 3: Katajainen, Sebastian - Hochstrasser, Sylvain | ? | |
| Jul 22, 2026 | Hochstrasser | ½–½ | Katajainen | Round 3: Hochstrasser, Sylvain - Katajainen, Sebastian | Queen's Pawn Game: London System, with e6 | |
| Jul 22, 2026 | Katajainen | 1–0 | Hochstrasser | Round 3: Katajainen, Sebastian - Hochstrasser, Sylvain | Vienna Game: Stanley Variation, Meitner-Mieses Gambit | |
| Jul 21, 2026 | Katajainen | 1–0 | Theubet | Round 2: Katajainen, Sebastian - Theubet, Capucine | Vienna Game: Vienna Gambit | |
| Jul 21, 2026 | Theubet | 0–1 | Katajainen | Round 2: Theubet, Capucine - Katajainen, Sebastian | King's Pawn Game: King's Head Opening | |
| Jul 21, 2026 | Theubet | 0–1 | Katajainen | Round 2: Theubet, Capucine - Katajainen, Sebastian | Ponziani Opening | |
| Jul 20, 2026 | Katajainen | 0–1 | Neboisa | Round 1: Katajainen, Sebastian - Neboisa, Illijin | Sicilian Defense: French Variation, Normal | |
| Jul 20, 2026 | Katajainen | 0–1 | Neboisa | Round 1: Katajainen, Sebastian - Neboisa, Illijin | ? | |
| Jul 20, 2026 | Neboisa | 1–0 | Katajainen | Round 1: Neboisa, Illijin - Katajainen, Sebastian | Tarrasch Defense: Symmetrical Variation | |