| Jul 12, 2025 | Zepeda Berlanga | 1–0 | Opseth | Landsturneringen 2025 | Sicilian Defense: Najdorf Variation, English Attack | |
| Jul 11, 2025 | Kosberg | 0–1 | Opseth | Landsturneringen 2025 | Sicilian Defense | |
| Jul 10, 2025 | Opseth | 0–1 | Strand | Landsturneringen 2025 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 9, 2025 | Dahli | 0–1 | Opseth | Landsturneringen 2025 | Queen's Gambit Accepted: Classical Defense | |
| Jul 8, 2025 | Opseth | 1–0 | Rasdal | Landsturneringen 2025 | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jul 7, 2025 | Gryte | 1–0 | Opseth | Landsturneringen 2025 | Italian Game: Scotch Gambit, Max Lange Attack | |
| Jul 5, 2025 | Opseth | ½–½ | Lunde | Landsturneringen 2025 | ? | |
| Jul 4, 2023 | Lesniewski | 1–0 | Opseth | Norwegian Championship 2023 (Klasse 1) | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Jul 3, 2023 | Opseth | ½–½ | Kyrkjebo | Norwegian Championship 2023 (Klasse 1) | King's Gambit Accepted: Abbazia Defense | |
| Jul 3, 2023 | Heier | ½–½ | Opseth | Norwegian Championship 2023 (Klasse 1) | Englund Gambit: Stockholm Variation | |
| Jul 2, 2023 | Opseth | 1–0 | Schmidt | Norwegian Championship 2023 (Klasse 1) | Italian Game: Evans Gambit, Anderssen Variation | |
| Jul 1, 2023 | Hoem | 0–1 | Opseth | Norwegian Championship 2023 (Klasse 1) | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Jul 15, 2022 | Melaa | ½–½ | Opseth | Norwegian Championship 2022, Junior A+B | King's Indian Defense: Orthodox Variation | |
| Jul 12, 2022 | Opseth | 0–1 | Hoel | Norwegian Championship 2022, Junior A+B | Modern Defense | |
| Feb 23, 2020 | Opseth | 1–0 | Digernes | Krageroe Resort Chess 2020 ELO Group | Caro-Kann Defense: Classical Variation | |
| Feb 22, 2020 | Opseth | 1–0 | Espeland | Krageroe Resort Chess 2020 ELO Group | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Feb 22, 2020 | Sejersted | ½–½ | Opseth | Krageroe Resort Chess 2020 ELO Group | Rapport-Jobava System | |
| Feb 21, 2020 | Opseth | 1–0 | Omtvedt | Krageroe Resort Chess 2020 ELO Group | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Feb 21, 2020 | Skogli | 1–0 | Opseth | Krageroe Resort Chess 2020 ELO Group | Benoni Defense | |
| Feb 20, 2020 | Opseth | 0–1 | Rynning | Krageroe Resort Chess 2020 ELO Group | Sicilian Defense: Smith-Morra Gambit Accepted, Scheveningen Formation | |
| Feb 19, 2020 | Opseth | ½–½ | Heitun | Krageroe Resort Chess 2020 ELO Group | Italian Game: Evans Gambit, Waller Attack | |
