| Jun 24, 2026 | Karas | 1–0 | Vaidyanathan | Round 5: Karas, Eugenia - Vaidyanathan, Adithya | Queen's Gambit Declined | |
| Jun 24, 2026 | Karas | 0–1 | Lankothu | Round 4: Karas, Eugenia - Lankothu, Sushant | Nimzo-Larsen Attack: Classical Variation | |
| Jun 23, 2026 | Karas | 1–0 | Koppuravuri | 2026 English Schools Chess Championships Final | Nimzo-Larsen Attack: Classical Variation | |
| Jun 23, 2026 | Sriram | 0–1 | Karas | 2026 English Schools Chess Championships Final | Sicilian Defense: Lasker-Dunne Attack | |
| Jun 23, 2026 | Zheng | 1–0 | Karas | Round 1: Zheng, Harry Z - Karas, Eugenia | Sicilian Defense: Najdorf Variation, English Attack | |
| Nov 22, 2025 | Karas | 1–0 | Tamilselvan | Round 15: Karas, Eugenia - Tamilselvan, Tara | Zukertort Opening: Nimzo-Larsen Variation | |
| Nov 22, 2025 | Nguyen Hong Nhung | 1–0 | Karas | Round 14: Nguyen Hong Nhung - Karas, Eugenia | Sicilian Defense: Closed, Traditional | |
| Nov 22, 2025 | Karas | 0–1 | Hryshchenko | Round 13: Karas, Eugenia - Hryshchenko, Kamila | Zukertort Opening: Pirc Invitation | |
| Nov 22, 2025 | Rida | 0–1 | Karas | Round 12: Rida, Ruqayyah - Karas, Eugenia | Sicilian Defense: Najdorf Variation | |
| Nov 22, 2025 | Karas | 1–0 | Bahtiyorova | Round 11: Karas, Eugenia - Bahtiyorova, Nodirabegim | Zukertort Opening: Nimzo-Larsen Variation | |
| Nov 22, 2025 | Yuan | 0–1 | Karas | Round 10: Yuan, Alice - Karas, Eugenia | Indian Defense | |
| Nov 22, 2025 | Karas | ½–½ | Sivanandan | Round 9: Karas, Eugenia - Sivanandan, Bodhana | Nimzo-Larsen Attack: Classical Variation | |
| Nov 22, 2025 | Hng | ½–½ | Karas | Round 8: Hng, Mei-Xian Eunice - Karas, Eugenia | Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | |
| Nov 22, 2025 | Karas | 1–0 | Mirzoeva | Round 7: Karas, Eugenia - Mirzoeva, Elmira | Indian Defense: Wade-Tartakower Defense | |
| Nov 22, 2025 | Varney | 0–1 | Karas | Round 6: Varney, Zoe - Karas, Eugenia | Queen's Indian Defense: Classical Variation | |
| Nov 22, 2025 | Karas | 1–0 | Barwick | Round 5: Karas, Eugenia - Barwick, Carmel | Nimzo-Larsen Attack: Classical Variation | |
| Nov 22, 2025 | Hariharan | 1–0 | Karas | Round 4: Hariharan, Shambavi - Karas, Eugenia | Queen's Indian Accelerated | |
| Nov 22, 2025 | Karas | ½–½ | Dicen | Round 3: Karas, Eugenia - Dicen, Elis Denele | Zukertort Opening: Nimzo-Larsen Variation | |
| Nov 22, 2025 | Pyun | 0–1 | Karas | Round 1: Pyun, Lindsay - Karas, Eugenia | Sicilian Defense: Closed | |
| Nov 16, 2025 | Orlovska | 1–0 | Karas | Round 2: Orlovska, Madara - Karas, Eugenia | Indian Defense | |
| Sep 20, 2025 | Han | 1–0 | Karas | 2025 UK Open Blitz Qualifier: London 3 (Golders Green) | Zukertort Opening: Reversed Mexican Defense | |
| Sep 20, 2025 | Karas | ½–½ | McPhillips | 2025 UK Open Blitz Qualifier: London 3 (Golders Green) | Nimzo-Larsen Attack: Classical Variation | |
| Sep 20, 2025 | Karas | 0–1 | Gasanov | 2025 UK Open Blitz Qualifier: London 3 (Golders Green) | Zukertort Opening: Nimzo-Larsen Variation | |
| Jul 19, 2024 | Wilks | * | Karas | Round 3: Wilks, Simon - Karas, Eugenia | ? | |
| Jul 17, 2024 | Czopor | 1–0 | Karas | Round 1: Czopor, Maciej - Karas, Eugenia | Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line | |
| Dec 16, 2024 | Karas | ½–½ | Nguyen | Round 1.1: Karas, Eugenia - Nguyen, Ngoc Hien | Zukertort Opening: Queen's Gambit Invitation | |
| Dec 16, 2024 | Karas | 0–1 | Bangerter | Round 2.1: Karas, Eugenia - Bangerter, Ena | Nimzo-Larsen Attack: Classical Variation | |
| Dec 16, 2024 | Karas | 1–0 | Kovacs | Round 3.1: Karas, Eugenia - Kovacs, Reka | Zukertort Opening: Dutch Variation | |
| Dec 16, 2024 | Karas | ½–½ | Maria | Round 4.1: Karas, Eugenia - Maria, Lia-Alexandra | Nimzo-Larsen Attack: Classical Variation | |
| Dec 16, 2024 | Karas | 1–0 | Novomeska | Round 5.1: Karas, Eugenia - Novomeska, Karin | Nimzo-Larsen Attack: Classical Variation | |
| Dec 16, 2024 | Karas | 1–0 | Guid | Round 6.1: Karas, Eugenia - Guid, Taja | Nimzo-Larsen Attack: Classical Variation | |
| Dec 16, 2024 | Karas | 1–0 | Szarvas | Round 7.2: Karas, Eugenia - Szarvas, Nora | Zukertort Opening: Nimzo-Larsen Variation | |
| Dec 16, 2024 | Karas | 1–0 | Seemann | Round 8.1: Karas, Eugenia - Seemann, Pola | Catalan Opening: Open Defense, Classical Line | |
| Dec 16, 2024 | Karas | 1–0 | Wojs | Round 9.1: Karas, Eugenia - Wojs, Alicja | Queen's Indian Defense: Classical Variation | |
| Dec 16, 2024 | Karas | ½–½ | Nguyen | Round 10.2: Karas, Eugenia - Nguyen, Binh Vy | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Dec 16, 2024 | Karas | 1–0 | Sekova | Round 11.1: Karas, Eugenia - Sekova, Olivia | Zukertort Opening: Nimzo-Larsen Variation | |
| Dec 16, 2024 | Nguyen | 1–0 | Karas | Round 1.2: Nguyen, Ngoc Hien - Karas, Eugenia | Pseudo Queen's Indian Defense | |
| Dec 16, 2024 | Bangerter | 0–1 | Karas | Round 2.2: Bangerter, Ena - Karas, Eugenia | Pseudo Queen's Indian Defense | |
| Dec 16, 2024 | Kovacs | 0–1 | Karas | Round 3.2: Kovacs, Reka - Karas, Eugenia | Sicilian Defense: Chekhover Variation | |
| Dec 16, 2024 | Maria | 1–0 | Karas | Round 4.2: Maria, Lia-Alexandra - Karas, Eugenia | Sicilian Defense: Najdorf Variation, English Attack | |
| Dec 16, 2024 | Novomeska | 0–1 | Karas | Round 5.2: Novomeska, Karin - Karas, Eugenia | Queen's Indian Defense: Classical Variation, Traditional Variation, Nimzowitsch Line | |
| Dec 16, 2024 | Guid | ½–½ | Karas | Round 6.2: Guid, Taja - Karas, Eugenia | Sicilian Defense: Closed | |
| Dec 16, 2024 | Szarvas | 1–0 | Karas | Round 7.1: Szarvas, Nora - Karas, Eugenia | Sicilian Defense: Najdorf Variation, English Attack | |
| Dec 16, 2024 | Seemann | 0–1 | Karas | Round 8.2: Seemann, Pola - Karas, Eugenia | Sicilian Defense: Najdorf Variation, English Attack | |
| Dec 16, 2024 | Wojs | 0–1 | Karas | Round 9.2: Wojs, Alicja - Karas, Eugenia | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Dec 16, 2024 | Nguyen | 1–0 | Karas | Round 10.1: Nguyen, Binh Vy - Karas, Eugenia | Sicilian Defense: Najdorf Variation | |
| Dec 16, 2024 | Sekova | 0–1 | Karas | Round 11.2: Sekova, Olivia - Karas, Eugenia | Sicilian Defense: Chekhover Variation | |
| Dec 15, 2024 | Karas | ½–½ | Gaszka | Round 7: Karas, Eugenia - Gaszka, Zuzanna | Bogo-Indian Defense: Vitolins Variation | |
| Dec 15, 2024 | Karas | 0–1 | Volchkova | Round 9: Karas, Eugenia - Volchkova, Alena | Indian Defense: Anti-Nimzo-Indian | |
| Dec 15, 2024 | Karas | 1–0 | Maria | Round 11: Karas, Eugenia - Maria, Lia-Alexandra | Zukertort Opening: Nimzo-Larsen Variation | |
| Dec 15, 2024 | Szarvas | 1–0 | Karas | Round 6: Szarvas, Nora - Karas, Eugenia | Sicilian Defense: Najdorf Variation, English Attack | |
| Dec 15, 2024 | Nguyen | 0–1 | Karas | Round 8: Nguyen, Ngoc Hien - Karas, Eugenia | Pseudo Queen's Indian Defense | |
| Dec 15, 2024 | Wojs | 0–1 | Karas | Round 10: Wojs, Alicja - Karas, Eugenia | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Dec 14, 2024 | Karas | 1–0 | Mihajlovic | Round 1: Karas, Eugenia - Mihajlovic, Patricija | Old Indian Defense: Czech Variation, with Nf3 | |
| Dec 14, 2024 | Karas | 1–0 | Szczotka | Round 3: Karas, Eugenia - Szczotka, Klara | Zukertort Opening: Sicilian Invitation | |
| Dec 14, 2024 | Karas | ½–½ | Kurmanalina | Round 5: Karas, Eugenia - Kurmanalina, Deniza | Neo-Grünfeld Defense: Classical Variation | |
| Dec 14, 2024 | Nguyen | ½–½ | Karas | Round 2: Nguyen, Binh Vy - Karas, Eugenia | Sicilian Defense: Najdorf Variation | |
| Dec 14, 2024 | Moskalets | ½–½ | Karas | Round 4: Moskalets, Sofiia - Karas, Eugenia | Sicilian Defense: Najdorf Variation | |
| Nov 13, 2021 | Karas | 1–0 | Pyun | British Junior Rapidplay: Girls U14 | Slav Defense: Exchange Variation | |
| Aug 27, 2021 | Finn | 1–0 | Karas | Northumbria Masters | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jun 19, 2021 | Karas | 1–0 | Buyuk | Queen’s Chess Festival - Europe - Category C | Slav Defense: Exchange Variation | |
| Jun 19, 2021 | Karas | 0–1 | Ayan | Queen’s Chess Festival - Europe - Category C | Slav Defense: Exchange Variation | |
| Jun 19, 2021 | Karas | 0–1 | Kirtadze | Queen’s Chess Festival - Europe - Category C | Indian Defense: Anti-Nimzo-Indian | |
| Jun 19, 2021 | Karas | ½–½ | Willow | Queen’s Chess Festival - Europe - Category C | Indian Defense: Budapest Defense, Adler Variation | |
| Jun 19, 2021 | Sara | 0–1 | Karas | Queen’s Chess Festival - Europe - Category C | French Defense: Tarrasch Variation, Open System, Süchting Line | |
| Jun 19, 2021 | Heydarova | 1–0 | Karas | Queen’s Chess Festival - Europe - Category C | King's Indian Attack: Sicilian Variation | |
| Jun 19, 2021 | Dicen | 0–1 | Karas | Queen’s Chess Festival - Europe - Category C | French Defense: Classical Variation, Steinitz Variation | |
| Jun 19, 2021 | Psoma | 0–1 | Karas | Queen’s Chess Festival - Europe - Category C | Nimzo-Larsen Attack: Classical Variation | |
| Jun 19, 2021 | Pert | 1–0 | Karas | Queen’s Chess Festival - Europe - Category C | Rat Defense: Small Center Defense | |
| — | Karas | 1–0 | Agarkar | British Junior Rapidplay: Girls U14 | Queen's Gambit Accepted: Old Variation | |
| — | Karas | ½–½ | Maton | British Junior Rapidplay: Girls U14 | Grünfeld Defense: Counterthrust Variation | |
| — | Karas | 1–0 | Pert | British Junior Blitz: Girls Under 14 | Horwitz Defense | |
| — | Karas | 1–0 | Maton | British Junior Blitz: Girls Under 14 | Grünfeld Defense: Counterthrust Variation | |
| — | Karas | 1–0 | Pyun | British Junior Blitz: Girls Under 14 | Slav Defense | |
| — | Karas | 1–0 | Cuthbert | British Junior Blitz: Girls Under 14 | King's Indian Defense: Normal Variation, King's Knight Variation | |
| — | Karas | ½–½ | Solovieva | British Junior Blitz: Girls Under 14 | Dutch Defense: Queen's Knight Variation | |
| — | Karas | 1–0 | Cuthbert | British Junior Rapidplay: Girls U14 | Indian Defense: King's Indian Variation, Fianchetto Variation | |
| — | Karas | 1–0 | Pert | British Junior Rapidplay: Girls U14 | Indian Defense: King's Indian Variation, Fianchetto Variation | |
| — | Karas | 0–1 | Pongo | Skalica A | Indian Defense: Anti-Nimzo-Indian | |
| — | Karas | 1–0 | Tesar | Skalica A | Nimzo-Larsen Attack: Classical Variation | |
| — | Karas | ½–½ | Benci | Skalica A | Zukertort Opening: Nimzo-Larsen Variation | |
| — | Karas | 0–1 | Hitka | Skalica A | East Indian Defense | |
| — | Cuthbert | 0–1 | Karas | British Junior Rapidplay: Girls U14 | Queen's Pawn Game: Accelerated London System | |
| — | Pyun | 0–1 | Karas | British Junior Blitz: Girls Under 14 | French Defense: Exchange Variation | |
| — | Cuthbert | 0–1 | Karas | British Junior Blitz: Girls Under 14 | Queen's Pawn Game: Accelerated London System | |
| — | Solovieva | 0–1 | Karas | British Junior Blitz: Girls Under 14 | French Defense: Advance Variation, Paulsen Attack | |
| — | Pert | ½–½ | Karas | British Junior Blitz: Girls Under 14 | French Defense: Rubinstein Variation | |
| — | Pert | 0–1 | Karas | British Junior Rapidplay: Girls U14 | French Defense: MacCutcheon Variation, Dr. Olland Variation | |
| — | Pyun | ½–½ | Karas | British Junior Rapidplay: Girls U14 | French Defense: Exchange Variation | |
| — | Agarkar | 0–1 | Karas | British Junior Rapidplay: Girls U14 | French Defense: Classical Variation, Steinitz Variation | |
| — | Maton | ½–½ | Karas | British Junior Rapidplay: Girls U14 | English Opening: Agincourt Defense | |
| — | Pechac | 1–0 | Karas | Skalica A | Queen's Indian Accelerated | |
| — | Walter | 1–0 | Karas | Skalica A | Sicilian Defense: Najdorf Variation | |
| — | Durovka | 1–0 | Karas | Skalica A | Queen's Indian Defense: Anti-Queen's Indian System | |
| — | Palka | 0–1 | Karas | Skalica A | Rapport-Jobava System | |
| — | Mizicka | 1–0 | Karas | Skalica A | Hungarian Opening: Indian Defense | |