| Dec 3, 2025 | Omtvedt | 0–1 | Jul Perez | XXII Torneo Aficionados Gran Hotel Bali Grupo B | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Dec 3, 2025 | Ortega Herrera | ½–½ | Omtvedt | XXII Torneo Aficionados Gran Hotel Bali Grupo B | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Dec 2, 2025 | Omtvedt | 1–0 | Jara Segovia | XXII Torneo Aficionados Gran Hotel Bali Grupo B | Zukertort Opening: Reversed Grünfeld | |
| May 28, 2024 | Lien | ½–½ | Omtvedt | Norway Chess Open 2024 | Semi-Slav Defense: Anti-Moscow Gambit | |
| May 27, 2024 | Omtvedt | 0–1 | Jeyanth R | Norway Chess Open 2024 | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| May 26, 2024 | Cornileau | 1–0 | Omtvedt | Norway Chess Open 2024 | Vienna Game: Vienna Gambit, Main Line | |
| May 25, 2024 | Omtvedt | 1–0 | Louis | Norway Chess Open 2024 | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| May 24, 2024 | Lovik | 1–0 | Omtvedt | Round 1: Lovik, Lasse Ostebo - Omtvedt, Aleksander | King's Indian Attack | |
| Jul 6, 2024 | Omtvedt | ½–½ | Samuelsen | Landsturneringen 2024 | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 5, 2024 | Birk Sæther Rostad | 0–1 | Omtvedt | Landsturneringen 2024 | Semi-Slav Defense: Stoltz Variation | |
| Jul 4, 2024 | Halvorsen | ½–½ | Omtvedt | Landsturneringen 2024 | Four Knights Game: Scotch Variation, Schmid Defense | |
| Jul 3, 2024 | Omtvedt | 1–0 | Solbu | Landsturneringen 2024 | Horwitz Defense | |
| Jul 2, 2024 | Omtvedt | ½–½ | Markussen | Landsturneringen 2024 | Indian Defense: Przepiorka Variation | |
| Jul 2, 2024 | Lien | * | Omtvedt | Landsturneringen 2024 | ? | |
| Jul 1, 2024 | Mosbye | 0–1 | Omtvedt | Landsturneringen 2024 | Bird Opening: Dutch Variation | |
| Jun 30, 2024 | Omtvedt | ½–½ | Øyvind Ukkelberg | Landsturneringen 2024 | Nimzo-Larsen Attack | |
| Jul 8, 2023 | Omtvedt | 0–1 | Wasshaug | Norwegian Championship 2023 (Klasse 1) | Indian Defense: Przepiorka Variation | |
| Jul 7, 2023 | Lesniewski | 1–0 | Omtvedt | Norwegian Championship 2023 (Klasse 1) | Semi-Slav Defense: Stoltz Variation | |
| Jul 6, 2023 | Omtvedt | 1–0 | Lange | Norwegian Championship 2023 (Klasse 1) | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 5, 2023 | Kvendseth | ½–½ | Omtvedt | Norwegian Championship 2023 (Klasse 1) | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit Accepted | |
| Jul 4, 2023 | Omtvedt | ½–½ | Rostad | Norwegian Championship 2023 (Klasse 1) | Slav Defense: Exchange Variation | |
| Feb 26, 2022 | Omtvedt | 0–1 | Shehzad | Krageroe Resort Chess 2022 | Indian Defense: Spielmann-Indian | |
| Feb 23, 2022 | Fischer | 1–0 | Omtvedt | Krageroe Resort Chess 2022 | Italian Game: Giuoco Piano | |
| Nov 28, 2021 | Omtvedt | 1–0 | Steigum | Bergen Grand Prix 2021 | Indian Defense: Spielmann-Indian | |
| Nov 28, 2021 | Johannessen | 1–0 | Omtvedt | Bergen Grand Prix 2021 | Queen's Gambit Declined: Cambridge Springs Defense, Bogoljubow Variation | |
| Nov 27, 2021 | Omtvedt | ½–½ | Martinsen | Bergen Grand Prix 2021 | Queen's Pawn Game | |
| Nov 27, 2021 | Eriksen | ½–½ | Omtvedt | Bergen Grand Prix 2021 | Slav Defense: Modern Line | |
| Nov 26, 2021 | Omtvedt | 1–0 | Høyforsslett | Bergen Grand Prix 2021 | Queen's Indian Defense: Classical Variation, Traditional Variation, Nimzowitsch Line | |
| Sep 5, 2021 | Omtvedt | ½–½ | Blauhut | Krageroe Grand Prix 2021 | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Sep 3, 2021 | Altarbosh | 1–0 | Omtvedt | Krageroe Grand Prix 2021 | Petrov's Defense: Nimzowitsch Attack | |
