| Jun 7, 2026 | Domalchuk-Jonasson | ½–½ | Xie | 2026 NSW Open | Indian Defense: Knights Variation | |
| Jun 6, 2026 | Chang | 0–1 | Domalchuk-Jonasson | 2026 NSW Open | French Defense: Exchange Variation | |
| Jun 6, 2026 | Domalchuk-Jonasson | 1–0 | Anup Kumar | 2026 NSW Open | Pirc Defense: Classical Variation, Quiet System | |
| Jun 5, 2026 | Thuaux | 0–1 | Domalchuk-Jonasson | 2026 NSW Open | Sicilian Defense: Taimanov Variation | |
| Jun 5, 2026 | Domalchuk-Jonasson | ½–½ | Hu | 2026 NSW Open | French Defense: Horwitz Attack, Papa-Ticulat Gambit | |
| Jun 5, 2026 | Domalchuk-Jonasson | ½–½ | Bjelobrk | 2026 NSW Open | Tarrasch Defense: Two Knights Variation | |
| Jun 5, 2026 | Wang | 0–1 | Domalchuk-Jonasson | 2026 NSW Open | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Apr 12, 2026 | Domalchuk-Jonasson | 0–1 | Annapureddy | Round 9: Domalchuk-Jonasson, Aleksandr - Annapureddy, Rheyansh Reddy | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Apr 11, 2026 | Rios Gomez | ½–½ | Domalchuk-Jonasson | 2026 Sydney International Open Championships | Queen's Gambit Accepted: Classical Defense, Rubinstein Variation | |
| Apr 11, 2026 | Domalchuk-Jonasson | 1–0 | Stopa | 2026 Sydney International Open Championships | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Apr 10, 2026 | Domalchuk-Jonasson | 1–0 | Stojic | 2026 Sydney International Open Championships | Nimzo-Indian Defense: St. Petersburg Variation | |
| Apr 9, 2026 | Domalchuk-Jonasson | ½–½ | Mirzoev | 2026 Sydney International Open Championships | Slav Defense: Exchange Variation | |
| Apr 8, 2026 | Antonio | 0–1 | Domalchuk-Jonasson | 2026 Sydney International Open Championships | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Apr 8, 2026 | Domalchuk-Jonasson | 1–0 | Rusakov | 2026 Sydney International Open Championships | Zukertort Opening: Reversed Grünfeld | |
| Apr 8, 2026 | Mitrabha | 1–0 | Domalchuk-Jonasson | 2026 Sydney International Open Championships | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Apr 8, 2026 | Steadman | 0–1 | Domalchuk-Jonasson | 2026 Sydney International Open Championships | Queen's Indian Accelerated | |
| Mar 31, 2026 | Dijkstra | 0–1 | Domalchuk-Jonasson | Reykjavik Open 2026 | English Opening | |
| Mar 28, 2026 | Andersen | 1–0 | Domalchuk-Jonasson | Reykjavik Open 2026 | Catalan Opening: Open Defense | |
| Mar 28, 2026 | Chen | ½–½ | Domalchuk-Jonasson | Reykjavik Open 2026 | Four Knights Game: Glek System | |
| Mar 27, 2026 | Domalchuk-Jonasson | 1–0 | Marsh | Reykjavik Open 2026 | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Mar 26, 2026 | Domalchuk-Jonasson | 0–1 | Zhou | Reykjavik Open 2026 | King's Indian Defense: Makogonov Variation | |
| Mar 19, 2026 | Pultinevicius | 1–0 | Domalchuk-Jonasson | Kópavogur International Chess Tournament 2026 | Indian Defense: Dzindzi-Indian Defense | |
| Mar 18, 2026 | Domalchuk-Jonasson | ½–½ | Stefansson | Kópavogur International Chess Tournament 2026 | Nimzo-Indian Defense: Classical Variation | |
| Mar 17, 2026 | Santos Latasa | 1–0 | Domalchuk-Jonasson | Kópavogur International Chess Tournament 2026 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Mar 15, 2026 | Domalchuk-Jonasson | 1–0 | Kazakouski | Kópavogur International Chess Tournament 2026 | Modern Defense: Geller's System | |
| Mar 13, 2026 | Ragnarsson | 1–0 | Domalchuk-Jonasson | Kópavogur International Chess Tournament 2026 | Zukertort Opening: Reversed Grünfeld | |
| Mar 13, 2026 | Domalchuk-Jonasson | 0–1 | Johannsson | Kópavogur International Chess Tournament 2026 | Queen's Pawn Game: Symmetrical Variation | |
| Mar 12, 2026 | Heimisson | 1–0 | Domalchuk-Jonasson | Kópavogur International Chess Tournament 2026 | Sicilian Defense: Taimanov Variation | |
| Mar 11, 2026 | Domalchuk-Jonasson | 0–1 | Birkisson | Kópavogur International Chess Tournament 2026 | Catalan Opening: Closed | |
| Mar 10, 2026 | Domalchuk-Jonasson | ½–½ | Oleksiyenko | Kópavogur International Chess Tournament 2026 | Indian Defense: Anti-Nimzo-Indian | |
| Mar 8, 2026 | Stremavicius | 1–0 | Domalchuk-Jonasson | Icelandic team chess championship premier league | English Opening: Agincourt Defense | |
| Mar 7, 2026 | Domalchuk-Jonasson | ½–½ | Hjartarson | Icelandic team chess championship premier league | Nimzo-Indian Defense: Classical Variation | |
| Mar 7, 2026 | Briem | ½–½ | Domalchuk-Jonasson | Icelandic team chess championship premier league | Horwitz Defense | |
| Mar 6, 2026 | Domalchuk-Jonasson | ½–½ | Petrov | Icelandic team chess championship premier league | Nimzo-Indian Defense: Classical Variation, Keres Defense | |
| Mar 5, 2026 | Domalchuk-Jonasson | ½–½ | Jakubiec | Icelandic team chess championship premier league | Dutch Defense: Queen's Knight Variation | |
| Jan 18, 2026 | Domalchuk-Jonasson | 1–0 | Xu | Middle Game Challengers | English Opening: Symmetrical Variation | |
| Jan 13, 2026 | Domalchuk-Jonasson | ½–½ | Wang | Round 2: Domalchuk-Jonasson, Aleksandr - Wang, Zi Yao (kelvin) | Queen's Gambit Declined: Exchange Variation | |
| Jan 13, 2026 | Domalchuk-Jonasson | 1–0 | Wiratunga | Round 4: Domalchuk-Jonasson, Aleksandr - Wiratunga, Jenith | Catalan Opening: Open Defense | |
| Jan 13, 2026 | Domalchuk-Jonasson | 1–0 | Zhang | Middle Game Challengers | Queen's Gambit Declined: Chigorin Defense, Exchange Variation | |
| Jan 13, 2026 | Yu | 0–1 | Domalchuk-Jonasson | Round 1: Yu, Zachary - Domalchuk-Jonasson, Aleksandr | King's Indian Attack | |
| Jan 13, 2026 | Jiang | 0–1 | Domalchuk-Jonasson | Round 3: Jiang, Patrick Di - Domalchuk-Jonasson, Aleksandr | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jan 13, 2026 | Mao | ½–½ | Domalchuk-Jonasson | Round 5: Mao, Daqi - Domalchuk-Jonasson, Aleksandr | Benko Gambit Declined: Main Line | |
| Jan 13, 2026 | Xu | 0–1 | Domalchuk-Jonasson | Middle Game Challengers | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Jan 13, 2026 | Tao | 0–1 | Domalchuk-Jonasson | Middle Game Challengers | Sicilian Defense: Kan Variation, Wing Attack | |
| Dec 4, 2025 | Domalchuk-Jonasson | 1–0 | Harvey | Icelandic team chess championship premier league | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 27, 2025 | Sokolovsky | ½–½ | Domalchuk-Jonasson | Round 9: Sokolovsky, Yahli - Domalchuk-Jonasson, Aleksandr | Philidor Defense: Lion Variation | |
| Nov 27, 2025 | Domalchuk-Jonasson | 1–0 | Bakalchuk | Round 8: Domalchuk-Jonasson, Aleksandr - Bakalchuk, Johnatan | English Opening: Symmetrical Variation, Three Knights Variation | |
| Nov 27, 2025 | Alekseev | 1–0 | Domalchuk-Jonasson | Round 7: Alekseev, Evgeny - Domalchuk-Jonasson, Aleksandr | French Defense: Winawer Variation, Retreat Variation, Armenian Line | |
| Nov 27, 2025 | Domalchuk-Jonasson | 1–0 | Fromm | Round 6: Domalchuk-Jonasson, Aleksandr - Fromm, Marius | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Nov 26, 2025 | Domalchuk-Jonasson | 1–0 | Czebe | Round 5: Domalchuk-Jonasson, Aleksandr - Czebe, Attila | English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto | |
| Nov 26, 2025 | Glek | ½–½ | Domalchuk-Jonasson | Round 4: Glek, Igor - Domalchuk-Jonasson, Aleksandr | French Defense: King's Indian Attack | |
| Nov 16, 2025 | Thybo | 1–0 | Domalchuk-Jonasson | Icelandic team chess championship premier league | Zukertort Opening: Reversed Grünfeld | |
| Nov 15, 2025 | Domalchuk-Jonasson | ½–½ | Grieve | Icelandic team chess championship premier league | King's Indian Attack | |
| Nov 15, 2025 | Heimisson | ½–½ | Domalchuk-Jonasson | Icelandic team chess championship premier league | Queen's Indian Defense: Classical Variation, Polugaevsky Gambit | |
| Nov 14, 2025 | Domalchuk-Jonasson | ½–½ | Petrov | Icelandic team chess championship premier league | Four Knights Game: Spanish Variation | |
| Oct 24, 2025 | Domalchuk-Jonasson | 0–1 | Haring | Round 6: Domalchuk-Jonasson, Aleksandr - Haring, Filip | Nimzo-Indian Defense: Classical Variation | |
| Oct 23, 2025 | Pultinevicius | 1–0 | Domalchuk-Jonasson | Round 5: Pultinevicius, Paulius - Domalchuk-Jonasson, Aleksandr | Catalan Opening: Closed | |
| Oct 20, 2025 | Domalchuk-Jonasson | 1–0 | Wachinger | Round 2: Domalchuk-Jonasson, Aleksandr - Wachinger, Nikolas | Sicilian Defense: Dragon Variation, Modern Bc4 Variation | |
| Oct 14, 2025 | Domalchuk-Jonasson | 0–1 | Olsen | Round 9: Domalchuk-Jonasson, Aleksandr - Olsen, Filip Boe | Catalan Opening: Closed | |
| Oct 13, 2025 | Parkhov | ½–½ | Domalchuk-Jonasson | Round 8: Parkhov, Yair - Domalchuk-Jonasson, Aleksandr | French Defense: Paulsen Variation | |
| Oct 10, 2025 | Wartiovaara | 1–0 | Domalchuk-Jonasson | Round 6: Wartiovaara, Oliver - Domalchuk-Jonasson, Aleksandr | Queen's Gambit Declined: Barmen Variation | |
| Oct 9, 2025 | Domalchuk-Jonasson | ½–½ | Blohberger | Round 5: Domalchuk-Jonasson, Aleksandr - Blohberger, Felix | English Opening: Symmetrical Variation, Four Knights Variation | |
| Oct 7, 2025 | Domalchuk-Jonasson | 1–0 | Krasniqi | Round 3: Domalchuk-Jonasson, Aleksandr - Krasniqi, Alban | Caro-Kann Defense: Exchange Variation | |
| Oct 6, 2025 | Dimitrov | ½–½ | Domalchuk-Jonasson | Round 2: Dimitrov, Radoslav - Domalchuk-Jonasson, Aleksandr | Queen's Gambit Declined: Modern Variation | |
| Oct 5, 2025 | Domalchuk-Jonasson | ½–½ | Malek | Round 1: Domalchuk-Jonasson, Aleksandr - Malek, Jan | Catalan Opening: Open Defense, Classical Line | |
| Sep 8, 2025 | Domalchuk-Jonasson | 1–0 | Nikcevic | Round 9: Domalchuk-Jonasson, Aleksandr - Nikcevic, Nebojsa | Queen's Gambit Accepted: Gunsberg Defense | |
| Sep 7, 2025 | Zaibi | 0–1 | Domalchuk-Jonasson | Round 8: Zaibi, Amir - Domalchuk-Jonasson, Aleksandr | Queen's Gambit Declined: Tartakower Defense | |
| Sep 7, 2025 | Triki | 0–1 | Domalchuk-Jonasson | Round 1: Triki,Yassine - Domalchuk-Jonasson, Aleksandr | French Defense: Advance Variation, Paulsen Attack | |
| Sep 7, 2025 | Domalchuk-Jonasson | 1–0 | Azreug | Round 2: Domalchuk-Jonasson, Aleksandr - Azreug, Lazhar | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Sep 7, 2025 | Ben Hlima | 0–1 | Domalchuk-Jonasson | Round 3: Ben Hlima, Rafik - Domalchuk-Jonasson, Aleksandr | Sicilian Defense: Kan Variation, Wing Attack | |
| Sep 6, 2025 | Elci | 0–1 | Domalchuk-Jonasson | Round 9: Elci, Eren - Domalchuk-Jonasson, Aleksandr | Rapport-Jobava System, with e6 | |
| Sep 6, 2025 | Domalchuk-Jonasson | 1–0 | Zenaidi | Round 8: Domalchuk-Jonasson, Aleksandr - Zenaidi, Sadok | Nimzo-Indian Defense: Classical Variation | |
| Sep 6, 2025 | Hbacha | 0–1 | Domalchuk-Jonasson | Round 5: Hbacha, Achraf - Domalchuk-Jonasson, Aleksandr | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Sep 6, 2025 | Domalchuk-Jonasson | 1–0 | Boulrens | Round 4: Domalchuk-Jonasson, Aleksandr - Boulrens, Ala Eddine | Catalan Opening: Open Defense | |
| Sep 6, 2025 | Christiansen | 1–0 | Domalchuk-Jonasson | Round 7: Christiansen, Johan-Sebastian - Domalchuk-Jonasson, Aleksandr | Four Knights Game: Gunsberg Variation | |
| Sep 6, 2025 | Domalchuk-Jonasson | 1–0 | Achour | Round 6: Domalchuk-Jonasson, Aleksandr - Achour, Mohamed Anis | Catalan Opening: Open Defense, Classical Line | |
| Sep 6, 2025 | Boulrens | 0–1 | Domalchuk-Jonasson | Round 7: Boulrens, Ala Eddine - Domalchuk-Jonasson, Aleksandr | French Defense: Horwitz Attack, Papa-Ticulat Gambit | |
| Sep 5, 2025 | Zenaidi | 0–1 | Domalchuk-Jonasson | Round 5: Zenaidi, Sadok - Domalchuk-Jonasson, Aleksandr | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Sep 4, 2025 | Domalchuk-Jonasson | 1–0 | Om Batra | Round 4: Domalchuk-Jonasson, Aleksandr - Om Batra | Catalan Opening: Closed Variation, Traditional Variation | |
| Sep 3, 2025 | Barbaria | 0–1 | Domalchuk-Jonasson | Round 3: Barbaria, Yacine - Domalchuk-Jonasson, Aleksandr | Sicilian Defense: O'Kelly Variation, Réti System | |
| Sep 3, 2025 | Domalchuk-Jonasson | 0–1 | Hernando Rodrigo | Round 2: Domalchuk-Jonasson, Aleksandr - Hernando Rodrigo, Jose Maria | King's Indian Attack: Symmetrical Defense | |
| Sep 2, 2025 | Taieb | 0–1 | Domalchuk-Jonasson | Round 1: Taieb, Sahbi - Domalchuk-Jonasson, Aleksandr | Sicilian Defense: Kan Variation, Modern Variation | |
| Aug 31, 2025 | Domalchuk-Jonasson | 0–1 | Christiansen | Round 6: Domalchuk-Jonasson, Aleksandr - Christiansen, Johan-Sebastian | Scandinavian Defense: Main Line, Mieses Variation | |
| Jul 31, 2025 | Domalchuk-Jonasson | 1–0 | Hong | \"Boyi Cup\"China Youth Chess International Open Tournament 2025(Group A) | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Jul 31, 2025 | Chen | 0–1 | Domalchuk-Jonasson | \"Boyi Cup\"China Youth Chess International Open Tournament 2025(Group A) | English Defense | |
| Jun 20, 2025 | Domalchuk-Jonasson | 1–0 | Arnljotsson | Icelandic Open 2025 | Bogo-Indian Defense: Grünfeld Variation | |
| Jun 20, 2025 | Domalchuk-Jonasson | 1–0 | Heimisson | Icelandic Open 2025 | King's Indian Attack | |
| Jun 19, 2025 | Domalchuk-Jonasson | ½–½ | Stefansson | Icelandic Open 2025 | Sicilian Defense: Alapin Variation, Stoltz Attack | |
| Jun 19, 2025 | Birkisson | 0–1 | Domalchuk-Jonasson | Icelandic Open 2025 | Scandinavian Defense: Main Line, Mieses Variation | |
| Jun 18, 2025 | Domalchuk-Jonasson | 1–0 | Thorfinnsson | Icelandic Open 2025 | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Jun 18, 2025 | Stefansson | 1–0 | Domalchuk-Jonasson | Icelandic Open 2025 | French Defense: Winawer Variation, Retreat Variation | |
| Jun 17, 2025 | Domalchuk-Jonasson | 1–0 | Schitco | Icelandic Open 2025 | Pirc Defense | |
| Jun 16, 2025 | Omarsson | 0–1 | Domalchuk-Jonasson | Icelandic Open 2025 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 15, 2025 | Sokolov | 1–0 | Domalchuk-Jonasson | Icelandic Open 2025 | Queen's Gambit Declined: Semi-Tarrasch Defense | |
| Jun 13, 2025 | Poetsch | ½–½ | Domalchuk-Jonasson | 4th GM-tournament | Sicilian Defense: O'Kelly Variation, Réti System | |
| Jun 12, 2025 | Domalchuk-Jonasson | ½–½ | Kvaloy | 4th GM-tournament | Nimzo-Indian Defense: Classical Variation | |
| Jun 12, 2025 | Stalmach | 1–0 | Domalchuk-Jonasson | 4th GM-tournament | Bogo-Indian Defense: Retreat Variation | |
| Jun 11, 2025 | Domalchuk-Jonasson | 0–1 | Blomqvist | 4th GM-tournament | Slav Defense: Exchange Variation | |
| Jun 10, 2025 | Urkedal | 1–0 | Domalchuk-Jonasson | 4th GM-tournament | English Opening: Mikenas-Carls Variation | |
| Jun 10, 2025 | Domalchuk-Jonasson | 0–1 | Kiolbasa | 4th GM-tournament | Sicilian Defense: Alapin Variation | |
