| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. D Monokroussos vs A Hagesaether |
 | 1-0 | 45 |
2000 |
Oz.com qual blitz | C00 French Defense |
| 2. S Sollid vs A Hagesaether |
 | ½-½ | 8 |
2001 |
Open NOR-ch | C01 French, Exchange |
| 3. A Hagesaether vs A Moen |
| 0-1 | 24 |
2001 |
Open NOR-ch | C32 King's Gambit Declined, Falkbeer Counter Gambit |
| 4. Oyvind Ukkelberg vs A Hagesaether |
| 1-0 | 33 |
2001 |
Open NOR-ch | A02 Bird's Opening |
| 5. A Hagesaether vs O Hansen |
| ½-½ | 41 |
2001 |
Open NOR-ch | C02 French, Advance |
| 6. A Hagesaether vs Tarjei J Svensen |
| 1-0 | 29 |
2001 |
Open NOR-ch | C02 French, Advance |
| 7. I Areklett vs A Hagesaether |
| 0-1 | 50 |
2001 |
Open NOR-ch | A34 English, Symmetrical |
| 8. J Lunnan Hjort vs A Hagesaether |
| ½-½ | 26 |
2001 |
Open NOR-ch | C15 French, Winawer |
| 9. A Hagesaether vs L Breivik |
| ½-½ | 22 |
2001 |
Open NOR-ch | B02 Alekhine's Defense |
| 10. A Hagesaether vs Thanh Pham Toan |
 | 1-0 | 27 |
2001 |
Open NOR-ch | C02 French, Advance |
| 11. A Hagesaether vs S Meenakshi |
| 0-1 | 101 |
2004 |
Gibraltar Masters | B06 Robatsch |
| 12. N Speck vs A Hagesaether |
| 1-0 | 51 |
2004 |
Gibraltar Masters | B14 Caro-Kann, Panov-Botvinnik Attack |
| 13. A Hagesaether vs T Vasilevich |
| 0-1 | 37 |
2004 |
Gibraltar Masters | B43 Sicilian, Kan, 5.Nc3 |
| 14. A Hagesaether vs T Bakre |
| 0-1 | 48 |
2004 |
Gibraltar Masters | B26 Sicilian, Closed, 6.Be3 |
| 15. Speelman vs A Hagesaether |
| 1-0 | 51 |
2004 |
Gibraltar Masters | D02 Queen's Pawn Game |
| 16. A Hagesaether vs P Wells |
| 0-1 | 60 |
2005 |
2nd Coventry Chess International | B56 Sicilian |
| 17. A Hagesaether vs M Peek |
| ½-½ | 23 |
2006 |
Hastings Chess Congress | B56 Sicilian |
| 18. E Auckland vs A Hagesaether |
| 0-1 | 17 |
2006 |
Hastings Chess Congress | A01 Nimzovich-Larsen Attack |
| 19. T Lunn vs A Hagesaether |
| 1-0 | 48 |
2006 |
Hastings Chess Congress | D10 Queen's Gambit Declined Slav |
| 20. A Hagesaether vs S Fowler |
| ½-½ | 57 |
2006 |
Hastings Chess Congress | C18 French, Winawer |
| 21. A Hagesaether vs B Furman |
 | 0-1 | 18 |
2006 |
Hastings Chess Congress | B60 Sicilian, Richter-Rauzer |
| 22. S Knott vs A Hagesaether |
| ½-½ | 27 |
2006 |
Hastings Chess Congress | D15 Queen's Gambit Declined Slav |
| 23. A Ashton vs A Hagesaether |
| 1-0 | 36 |
2006 |
Hastings Chess Congress | B13 Caro-Kann, Exchange |
| 24. G O'Toole vs A Hagesaether |
| 0-1 | 32 |
2007 |
83rd Hastings Chess Congress | B10 Caro-Kann |
| 25. A Hagesaether vs O Jackson |
| 0-1 | 74 |
2007 |
83rd Hastings Chess Congress | B43 Sicilian, Kan, 5.Nc3 |