| Jun 28, 2026 | Irber | ½–½ | Rezac | Round 2: Irber, Jonas - Rezac, Jindrich | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Nov 1, 2025 | Irber | 0–1 | Dlouhy | MČech HD12 2025 | Queen's Gambit Declined: Neo-Orthodox Variation, Main Line | |
| Oct 31, 2025 | Cejchan | 0–1 | Irber | MČech HD12 2025 | King's Indian Attack | |
| Oct 30, 2025 | Irber | 0–1 | Menkov | MČech HD12 2025 | Slav Defense | |
| Oct 29, 2025 | Vratny | 0–1 | Irber | MČech HD12 2025 | King's Indian Attack | |
| Oct 28, 2025 | Irber | ½–½ | Bukovskij | MČech HD12 2025 | Queen's Gambit Declined: Queen's Knight Variation | |
| Oct 27, 2025 | Gajdac | 0–1 | Irber | MČech HD12 2025 | Sicilian Defense: Modern Variations | |
| Oct 27, 2025 | Irber | 1–0 | Drahosova | MČech HD12 2025 | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Oct 26, 2025 | Trejbal | 1–0 | Irber | MČech HD12 2025 | Queen's Pawn Game | |
| Jan 30, 2025 | Irber | ½–½ | Zeman | Round 7: Irber, Jonas - Zeman, Jonas | Sicilian Defense: Four Knights Variation | |
| Jan 30, 2025 | Irber | 0–1 | Slivova | Round 2: Irber, Jonas - Slivova, Linda | Caro-Kann Defense: Exchange Variation | |
| Jan 30, 2025 | Irber | 0–1 | Buchtova | Round 4: Irber, Jonas - Buchtova, Viktorie | Nimzo-Indian Defense | |
| Jan 30, 2025 | Irber | 0–1 | Policar | Round 6: Irber, Jonas - Policar, Martin | Alekhine Defense: Four Pawns Attack | |
| Jan 30, 2025 | Irber | 0–1 | Horkovyi | Round 8: Irber, Jonas - Horkovyi, Mykyta | Sicilian Defense: Classical Variation | |
| Jan 30, 2025 | Irber | 0–1 | Vo | Round 11: Irber, Jonas - Vo, Daniel | Sicilian Defense: Pin Variation | |
| Jan 30, 2025 | Irber | 0–1 | Brezikova | Round 13: Irber, Jonas - Brezikova, Beata | Scotch Game: Classical Variation | |
| Jan 30, 2025 | Strazhnyk | 1–0 | Irber | Round 1: Strazhnyk, Viktoriia - Irber, Jonas | Sicilian Defense: Dragon Variation, Modern Bc4 Variation | |
| Jan 30, 2025 | Bara | 1–0 | Irber | Round 3: Bara, Jan - Irber, Jonas | English Opening: Agincourt Defense | |
| Jan 30, 2025 | Kammova | 1–0 | Irber | Round 5: Kammova, Katerina - Irber, Jonas | Sicilian Defense | |
| Jan 30, 2025 | Kala | 1–0 | Irber | Round 7: Kala, Jakub - Irber, Jonas | Réti Opening | |
| Jan 30, 2025 | Dlouhy | 1–0 | Irber | Round 9: Dlouhy, Martin - Irber, Jonas | Queen's Pawn Game: Stonewall Attack | |
| Jan 30, 2025 | Zeman | 1–0 | Irber | Round 10: Zeman, Jonas - Irber, Jonas | French Defense: Winawer Variation, Delayed Exchange Variation | |
| Jan 30, 2025 | Kroulik | 1–0 | Irber | Round 12: Kroulik, Stepan - Irber, Jonas | Sicilian Defense: Taimanov Variation | |
| Jan 29, 2025 | Irber | 0–1 | Dlouhy | Round 6: Irber, Jonas - Dlouhy, Martin | Sicilian Defense: Four Knights Variation | |
| Jan 29, 2025 | Stepnicka | 1–0 | Irber | Round 5: Stepnicka, Filip - Irber, Jonas | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jan 28, 2025 | Irber | 0–1 | Prokopchuk | Round 4: Irber, Jonas - Prokopchuk, Oleksandr | French Defense: Exchange Variation | |
| Jan 28, 2025 | Litos | ½–½ | Irber | Round 3: Litos, Ondrej - Irber, Jonas | Queen's Pawn Game: London System | |
| Jan 27, 2025 | Irber | 0–1 | Berdnikov | Round 2: Irber, Jonas - Berdnikov, Tsyren | Queen's Gambit Declined: Modern Variation | |
| Jan 27, 2025 | Vo | 1–0 | Irber | Round 1: Vo, Daniel - Irber, Jonas | Sicilian Defense: Old Sicilian | |
