| Jul 11, 2026 | Breivik | 1–0 | Lund | Landsturneringen 2026 | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| Jul 10, 2026 | Breivik | ½–½ | Thanke | Landsturneringen 2026 | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| Jul 9, 2026 | Sorgjerd | ½–½ | Breivik | Landsturneringen 2026 | King's Indian Defense: Semi-Classical Variation, Hollywood Variation | |
| Jul 8, 2026 | Breivik | 0–1 | Hole | Landsturneringen 2026 | Slav Defense: Quiet Variation, Pin Defense | |
| Jul 7, 2026 | Breivik | 1–0 | Bjugn | Landsturneringen 2026 | English Opening: Agincourt Defense | |
| Jul 6, 2026 | Hoem | 0–1 | Breivik | Landsturneringen 2026 | Queen's Pawn Game: Modern Defense | |
| Jul 5, 2026 | Breivik | 1–0 | Sidselrud | Landsturneringen 2026 | Slav Defense: Quiet Variation | |
| Jul 4, 2026 | Johnsen | 0–1 | Breivik | Landsturneringen 2026 | Modern Defense: Geller's System | |
| Jun 28, 2026 | Gullaksen | ½–½ | Breivik | Landsturneringen 2026 | Modern Defense: Standard Line | |
| Jan 4, 2026 | Leonhardsen | 0–1 | Breivik | Åpent NM i hurtigsjakk 2026 | Zukertort Opening: Kingside Fianchetto | |
| Jan 4, 2026 | Leer-Helgesen | 1–0 | Breivik | Åpent NM i hurtigsjakk 2026 | English Opening: Great Snake Variation | |
| Jan 4, 2026 | Breivik | ½–½ | Gullaksen | Åpent NM i hurtigsjakk 2026 | English Opening: Great Snake Variation | |
| Jan 4, 2026 | Breivik | 0–1 | Gandrud | Åpent NM i hurtigsjakk 2026 | Catalan Opening: Closed | |
| Jan 3, 2026 | Engelsen | ½–½ | Breivik | Åpent NM i hurtigsjakk 2026 | Zukertort Opening: Kingside Fianchetto | |
| Jan 3, 2026 | Breivik | 1–0 | Olsen | Åpent NM i hurtigsjakk 2026 | English Opening: Anglo-Indian Defense | |
| Jan 3, 2026 | Slettmoen | 0–1 | Breivik | Åpent NM i hurtigsjakk 2026 | English Opening: Great Snake Variation | |
| Jan 3, 2026 | Breivik | 0–1 | Kreken | Åpent NM i hurtigsjakk 2026 | Catalan Opening: Open Defense, Classical Line | |
| Jan 3, 2026 | Sersch | 0–1 | Breivik | Åpent NM i hurtigsjakk 2026 | Modern Defense | |
| Jan 3, 2026 | Breivik | 1–0 | Melkevik | Åpent NM i hurtigsjakk 2026 | English Opening: Caro-Kann Defensive System | |
| Jul 11, 2025 | Breivik | ½–½ | Hagesather | Landsturneringen i Bergen 2025 - SENIOR50 | English Opening: Anglo-Indian Defense | |
| Jul 8, 2025 | Breivik | 0–1 | Gudbrandsen | Landsturneringen i Bergen 2025 - SENIOR50 | English Opening: Anglo-Indian Defense | |
| Jul 7, 2025 | Breivik | 1–0 | Lahlum | Landsturneringen i Bergen 2025 - SENIOR50 | Catalan Opening | |
| Jul 7, 2025 | Breivik | ½–½ | Lillevold | Landsturneringen i Bergen 2025 - SENIOR50 | Catalan Opening: Open Defense, Classical Line | |
| Jul 7, 2025 | Thanke | ½–½ | Breivik | Landsturneringen i Bergen 2025 - SENIOR50 | Modern Defense: Standard Line | |