| Apr 26, 2026 | Ostafiev | 0–1 | Tomasdottir | Nordic girls chess championship 2026 | Sicilian Defense: Closed | |
| Apr 26, 2026 | Tomasdottir | 1–0 | Skibina | Nordic girls chess championship 2026 | Semi-Slav Defense: Accelerated Move Order | |
| Apr 25, 2026 | Tomasdottir | 0–1 | Zhu | Nordic girls chess championship 2026 | Queen's Gambit Declined: Three Knights Variation | |
| Apr 25, 2026 | Bjerregaard Hagen | ½–½ | Tomasdottir | Nordic girls chess championship 2026 | Queen's Pawn Game: Colle System, Anti-Colle | |
| Apr 24, 2026 | Jacobsen | 1–0 | Tomasdottir | Nordic girls chess championship 2026 | English Opening: Caro-Kann Defensive System | |
| Feb 8, 2026 | Jonsdottir | 1–0 | Tomasdottir | Islandsmót kvenna 2026 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Feb 7, 2026 | Sigurdardottir | 0–1 | Tomasdottir | Islandsmót kvenna 2026 | Rapport-Jobava System | |
| Feb 7, 2026 | Tomasdottir | 1–0 | Jonsdottir | Islandsmót kvenna 2026 | Queen's Indian Defense: Kasparov Variation | |
| Feb 6, 2026 | Tomasdottir | 1–0 | Skibina | Islandsmót kvenna 2026 | Semi-Slav Defense: Accelerated Move Order | |
| Feb 6, 2026 | Tomasdottir | 0–1 | Tomasdottir | Islandsmót kvenna 2026 | Sicilian Defense: French Variation | |
| Apr 27, 2025 | Tomasdottir | 0–1 | Jonsdottir | NM Piger Gruppe C | Queen's Gambit Declined | |
| Apr 27, 2025 | B. Berglindardottir | 1–0 | Tomasdottir | NM Piger Gruppe C | Slav Defense: Three Knights Variation | |
| Apr 26, 2025 | Tomasdottir | 0–1 | Jacobsen | NM Piger Gruppe C | Dutch Defense: Rubinstein Variation | |
| Apr 26, 2025 | Karlsdottir | 0–1 | Tomasdottir | NM Piger Gruppe C | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Apr 25, 2025 | Tomasdottir | 1–0 | Bjerregaard Hagen | NM Piger Gruppe C | Queen's Gambit Declined: Three Knights Variation | |
| Mar 23, 2025 | Tomasdottir | ½–½ | Pervent | Round 5: Tomasdottir, Katrin Osk - Pervent, Louis | Queen's Gambit Declined: Modern Variation, Knight Defense | |
| Mar 22, 2025 | Tomasdottir | 0–1 | Andhurthi | Round 3: Tomasdottir, Katrin Osk - Andhurthi, Sreeyan | Benko Gambit Accepted: King Walk Variation | |
| Mar 22, 2025 | Singh | 1–0 | Tomasdottir | Round 4: Singh, Adamjeet - Tomasdottir, Katrin Osk | Sicilian Defense: Closed | |
| Mar 21, 2025 | Tomasdottir | 0–1 | Norris | Round 1: Tomasdottir, Katrin Osk - Norris, Zack | King's Indian Defense | |
| Mar 21, 2025 | Voropaiev | 1–0 | Tomasdottir | Round 2: Voropaiev, Vladyslav - Tomasdottir, Katrin Osk | Sicilian Defense: Taimanov Variation | |
| — | Tomasdottir | 0–1 | Gan | FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025 | Nimzo-Indian Defense: Three Knights Variation | |
| — | Tomasdottir | ½–½ | Harpsoe | FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025 | Nimzo-Indian Defense: Three Knights Variation | |
| — | Tomasdottir | 0–1 | Maurstad | FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025 | Slav Defense: Three Knights Variation | |
| — | Tomasdottir | 1–0 | Anuzyte | FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025 | King's Indian Defense: Normal Variation | |
| — | Tomasdottir | 1–0 | Campos Frias | FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025 | Slav Defense: Three Knights Variation | |
| — | Jarrin Zhang | ½–½ | Tomasdottir | FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025 | French Defense: Advance Variation, Paulsen Attack | |
| — | Sedinam Kwesi Gbedasi Honu | 0–1 | Tomasdottir | FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025 | ? | |
| — | Verma | 1–0 | Tomasdottir | FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025 | King's Indian Attack | |
