| Sep 7, 2023 | Vache Kocharyan | 1–0 | Josef Omarsson | Round 3: Vache Kocharyan - Josef Omarsson | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line | |
| Sep 6, 2023 | Josef Omarsson | ½–½ | Paul Boulos | Round 2: Josef Omarsson - Paul Boulos | Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation, Flohr Line | |
| Feb 23, 2023 | Josef Omarsson | 1–0 | Matias Myren | Kragero Resort Chess International 2023 | Queen's Gambit Declined | |
| Feb 22, 2023 | Josef Omarsson | 1–0 | Ivar Endeberg | Kragero Resort Chess International 2023 | Nimzo-Indian Defense: Leningrad Variation | |
| Feb 22, 2023 | Carl Marcus Eckholdt | ½–½ | Josef Omarsson | Kragero Resort Chess International 2023 | King's Indian Defense: Orthodox Variation | |
| Feb 26, 2023 | Josef Omarsson | ½–½ | Nikolai Olsen Wernberg | Kragero Resort Chess International 2023 | Queen's Gambit Accepted: Central Variation, McDonnell Defense | |
| Feb 25, 2023 | Josef Omarsson | ½–½ | Jacob Tollefsen | Kragero Resort Chess International 2023 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Feb 25, 2023 | Even Jahr | 1–0 | Josef Omarsson | Kragero Resort Chess International 2023 | Sicilian Defense: Lasker-Pelikan Variation, Schlechter Variation | |
| Feb 24, 2023 | August Minh Brattgjerd | 0–1 | Josef Omarsson | Kragero Resort Chess International 2023 | London System | |
| Feb 19, 2023 | Josef Omarsson | 1–0 | Emil Jacobsen Jamil | Nordic Youth Championship 2023 | Dutch Defense: Queen's Knight Variation | |
| Feb 19, 2023 | Villads Majvang Sandmann | ½–½ | Josef Omarsson | Nordic Youth Championship 2023 | Sicilian Defense: Lasker-Pelikan Variation | |
| Feb 18, 2023 | Josef Omarsson | 0–1 | Jiahao Eric Ji | Nordic Youth Championship 2023 | Queen's Gambit Accepted: Central Variation, Alekhine System | |
| Feb 18, 2023 | Emil Zander | 1–0 | Josef Omarsson | Nordic Youth Championship 2023 | King's Indian Defense: Orthodox Variation | |
| Feb 17, 2023 | Josef Omarsson | 0–1 | Oscar Morell | Nordic Youth Championship 2023 | Benoni Defense: Four Pawns Attack, Main Line | |
| Feb 17, 2023 | Oskar Jacobsen Jamil | 0–1 | Josef Omarsson | Nordic Youth Championship 2023 | Indian Defense | |
| Jul 17, 2022 | Artem Mikhno | 1–0 | Josef Omarsson | Round 9: Artem Mikhno - Josef Omarsson | King's Indian Defense: Smyslov Variation | |
| Jul 16, 2022 | Josef Omarsson | 0–1 | Kanan Hajiyev | Round 8: Josef Omarsson - Kanan Hajiyev | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Jul 16, 2022 | Petr Zacek | 1–0 | Josef Omarsson | Round 11: Petr Zacek - Josef Omarsson | King's Indian Defense: Normal Variation | |
| Jul 16, 2022 | Josef Omarsson | ½–½ | Michal Tochacek | Round 10: Josef Omarsson - Michal Tochacek | Queen's Pawn Game: Accelerated London System | |
| Jul 16, 2022 | Artur Shamian | 1–0 | Josef Omarsson | Round 9: Artur Shamian - Josef Omarsson | Indian Defense | |
| Jul 16, 2022 | Josef Omarsson | 0–1 | Peter Baran | Round 8: Josef Omarsson - Peter Baran | Indian Defense | |
| Jul 16, 2022 | Martin Silhanek | 0–1 | Josef Omarsson | Round 7: Martin Silhanek - Josef Omarsson | London System | |
| Jul 16, 2022 | Josef Omarsson | 0–1 | Michal Kolbusovsky | Round 6: Josef Omarsson - Michal Kolbusovsky | Indian Defense | |
| Jul 16, 2022 | Max Hozda | * | Josef Omarsson | Round 5: Max Hozda - Josef Omarsson | King's Indian Defense: Orthodox Variation | |
| Jul 16, 2022 | Josef Omarsson | 0–1 | Jindrich Melich | Round 4: Josef Omarsson - Jindrich Melich | Benoni Defense: Old Benoni | |
| Jul 16, 2022 | Antonin Zvacek | * | Josef Omarsson | Round 3: Antonin Zvacek - Josef Omarsson | English Opening: Anglo-Indian Defense | |
| Jul 16, 2022 | Lenka Ptacnikova | 1–0 | Josef Omarsson | Round 1: Lenka Ptacnikova - Josef Omarsson | Sicilian Defense: Closed | |
| Jul 15, 2022 | Attila Sovany | 0–1 | Josef Omarsson | Round 7: Attila Sovany - Josef Omarsson | Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | |
| Jul 12, 2022 | Tomas Sklenar | 1–0 | Josef Omarsson | Round 4: Tomas Sklenar - Josef Omarsson | Benoni Defense: Classical Variation, Czerniak Defense, Tal Line | |
| Jul 11, 2022 | Josef Omarsson | ½–½ | Adam Omarsson | Round 3: Josef Omarsson - Adam Omarsson | Indian Defense | |
| Jul 9, 2022 | Josef Omarsson | 0–1 | Michal Kolbusovsky | Round 1: Josef Omarsson - Michal Kolbusovsky | Indian Defense | |
| Feb 27, 2022 | Einar Clausen Frovik | 1–0 | Josef Omarsson | Kragero Resort Chess International 2022 | Indian Defense | |
| Feb 24, 2022 | Josef Omarsson | 0–1 | Odd Gunnar Heitun | Kragero Resort Chess International 2022 | Indian Defense | |
| Feb 24, 2022 | Sidney Haubrick | 1–0 | Josef Omarsson | Kragero Resort Chess International 2022 | Sicilian Defense: Old Sicilian | |
| Feb 23, 2022 | Ingvar Wu Skarphedinsson | 1–0 | Josef Omarsson | Kragero Resort Chess International 2022 | King's Indian Defense: Averbakh Variation | |
