| Jun 27, 2026 | Siskova | 0–1 | Hadhek | Round 11: Siskova, Alexandra - Hadhek,Lina | Queen's Pawn Game: Colle System | |
| Jun 26, 2026 | Mamarasulova | 1–0 | Siskova | Round 10: Mamarasulova, Yasmina - Siskova, Alexandra | Old Indian Defense | |
| Jun 25, 2026 | Siskova | 0–1 | Mackeviciute | Round 9: Siskova, Alexandra - Mackeviciute, Gabija | English Opening: Symmetrical Variation, Full Symmetry Line | |
| Jun 24, 2026 | Siskova | 0–1 | Grigore | Round 8: Siskova, Alexandra - Grigore, Melania-Cristina | Queen's Pawn Game: Krause Variation | |
| Jun 23, 2026 | Qurashvili | 0–1 | Siskova | FIDE World Cadets Cup, G12 / board 1-44 | Zukertort Opening: Quiet System | |
| Jun 21, 2026 | Siskova | 0–1 | Sadvokassova | Round 6: Siskova, Alexandra - Sadvokassova, Sabina | Queen's Pawn Game: Colle System | |
| Jun 20, 2026 | Lambrechts | 0–1 | Siskova | Round 5: Lambrechts, Madison - Siskova, Alexandra | Pirc Defense: Classical Variation | |
| Jun 19, 2026 | Siskova | 1–0 | Fire | Round 4: Siskova, Alexandra - Fire, Nesli | King's Indian Defense: Fianchetto Variation, Classical Fianchetto | |
| Jun 18, 2026 | Otimile Melisa | 1–0 | Siskova | Round 3: Otimile Melisa - Siskova, Alexandra | Old Indian Defense | |
| Jun 17, 2026 | Siskova | 0–1 | Drahosova | Round 2: Siskova, Alexandra - Drahosova, Anna | English Opening: King's English Variation, Two Knights Variation, Reversed Dragon | |
| Jun 16, 2026 | Yunker | 1–0 | Siskova | Round 1: Yunker, Alisa Genrietta - Siskova, Alexandra | English Opening: Symmetrical Variation, Four Knights Variation | |
| — | Siskova | 0–1 | Gawerska | EUYCC 2025 - U12 | English Opening: King's English Variation, Taimanov Variation | |
| — | Siskova | ½–½ | Maesepp | EUYCC 2025 - U12 | Queen's Pawn Game: London System | |
| — | Siskova | 0–1 | Salim | EUYCC 2025 - U12 | London System | |
| — | Siskova | ½–½ | Kroslakova | EUYCC 2025 - U12 | Queen's Pawn Game: Stonewall Attack | |
| — | Slusarczyk | 1–0 | Siskova | EUYCC 2024 - U12 | Old Indian Defense: Czech Variation, with Nc3 | |
| — | Krastinsh Daniels | ½–½ | Siskova | EUYCC 2025 - U12 | Pirc Defense | |
| — | Flidr | 1–0 | Siskova | EUYCC 2025 - U12 | Pirc Defense: Classical Variation, Schlechter Variation | |
| — | Nagy-Konya | 1–0 | Siskova | EUYCC 2025 - U12 | Four Knights Game: Italian Variation | |
