| Mar 3, 2023 | Johannes Haug | ½–½ | Aleksander Fossan | Round 1: Johannes Haug - Aleksander Fossan | Grünfeld Defense: Exchange Variation | |
| Sep 13, 2020 | Tore Kolas | ½–½ | Aleksander Fossan | Norwegian Team League – Elite qualifiers, Day 3: Tore Kolas - Aleksander Fossan | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Sep 12, 2020 | Aleksander Fossan | ½–½ | Joachim Birger Nilsen | Norwegian Team League – Elite qualifiers, Day 2: Aleksander Fossan - Joachim Birger Nilsen | Petrov's Defense: French Attack | |
| Jul 10, 2020 | Lucas Ranaldi | 1–0 | Aleksander Fossan | Stavanger Chess Challenge – Round 9: Lucas Ranaldi - Aleksander Fossan | Sicilian Defense: Nimzowitsch Variation, Closed Variation | |
| Jul 9, 2020 | Benjamin Arvola Notkevich | 1–0 | Aleksander Fossan | Stavanger Chess Challenge – Round 8: Benjamin Arvola Notkevich - Aleksander Fossan | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jul 8, 2020 | Aleksander Fossan | 1–0 | Sergey Eliseev | Stavanger Chess Challenge – Round 7: Aleksander Fossan - Sergey Eliseev | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 7, 2020 | Elias Hulleberg Sidali | ½–½ | Aleksander Fossan | Stavanger Chess Challenge – Round 6: Elias Hulleberg Sidali - Aleksander Fossan | Sicilian Defense: Nimzowitsch Variation, Main Line | |
| Jul 7, 2020 | Sander Fuglestein | ½–½ | Aleksander Fossan | Stavanger Chess Challenge – Round 4: Sander Fuglestein - Aleksander Fossan | Neo-Grünfeld Defense: Delayed Exchange Variation | |
| Jul 7, 2020 | Aleksander Fossan | ½–½ | Afras Mansoor | Stavanger Chess Challenge – Round 5: Aleksander Fossan - Afras Mansoor | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Jul 5, 2020 | Aleksander Fossan | 0–1 | Axel Tunsjo | Stavanger Chess Challenge – Round 3: Aleksander Fossan - Axel Tunsjo | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 5, 2020 | Noam Aviv Vitenberg | ½–½ | Aleksander Fossan | Stavanger Chess Challenge – Round 2: Noam Aviv Vitenberg - Aleksander Fossan | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation | |
| Jul 4, 2020 | Aleksander Fossan | 1–0 | Andreas Tenold | Stavanger Chess Challenge – Round 1: Aleksander Fossan - Andreas Tenold | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jun 18, 2020 | Aleksander Fossan | 0–1 | Tor Fredrik Kaasen | Offerspill Invitational – Round 9: Aleksander Fossan - Tor Fredrik Kaasen | Four Knights Game: Spanish Variation | |
| Jun 17, 2020 | Aleksander Fossan | 1–0 | Skaslien | Offerspill Invitational – Round 8: Aleksander Fossan - Skaslien, Ingrid | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jun 16, 2020 | Eirik Aarnes | 1–0 | Aleksander Fossan | Offerspill Invitational – Round 7: Eirik Aarnes - Aleksander Fossan | Sicilian Defense: Nimzowitsch Variation, Closed Variation | |
| Jun 11, 2020 | Milton Pantzar | ½–½ | Aleksander Fossan | Offerspill Invitational – Round 1 (clone): Milton Pantzar - Aleksander Fossan | Neo-Grünfeld Defense: Delayed Exchange Variation | |
| Jun 10, 2020 | Aleksander Fossan | 0–1 | Kristian Stuvik Holm | Offerspill Invitational: Aleksander Fossan - Kristian Stuvik Holm | Caro-Kann Defense: Panov Attack | |
| Jan 26, 2020 | Dimitrios Stellas | 0–1 | Aleksander Fossan | Offerspill Grand Prix 2020 - Round 8: Dimitrios Stellas - Aleksander Fossan | Indian Defense | |
| Jan 26, 2020 | Juan Carlos Rueda-Kjeldsen | ½–½ | Aleksander Fossan | Offerspill Grand Prix 2020 - Round 7: Juan Carlos Rueda-Kjeldsen - Aleksander Fossan | Nimzo-Larsen Attack: Classical Variation | |
