| 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. A Hagesaether vs A Moen |
| 0-1 | 24 |
2001 |
Open NOR-ch | C32 King's Gambit Declined, Falkbeer Counter Gambit |
| 3. Oyvind Ukkelberg vs A Hagesaether |
| 1-0 | 33 |
2001 |
Open NOR-ch | A02 Bird's Opening |
| 4. A Hagesaether vs T Vasilevich |
| 0-1 | 37 |
2004 |
Gibraltar Masters | B43 Sicilian, Kan, 5.Nc3 |
| 5. A Hagesaether vs T Bakre |
| 0-1 | 48 |
2004 |
Gibraltar Masters | B26 Sicilian, Closed, 6.Be3 |
| 6. Speelman vs A Hagesaether |
| 1-0 | 51 |
2004 |
Gibraltar Masters | D02 Queen's Pawn Game |
| 7. A Hagesaether vs S Meenakshi |
| 0-1 | 101 |
2004 |
Gibraltar Masters | B06 Robatsch |
| 8. N Speck vs A Hagesaether |
| 1-0 | 51 |
2004 |
Gibraltar Masters | B14 Caro-Kann, Panov-Botvinnik Attack |
| 9. A Hagesaether vs P Wells |
| 0-1 | 60 |
2005 |
2nd Coventry Chess International | B56 Sicilian |
| 10. A Ashton vs A Hagesaether |
| 1-0 | 36 |
2006 |
Hastings Chess Congress | B13 Caro-Kann, Exchange |
| 11. T Lunn vs A Hagesaether |
| 1-0 | 48 |
2006 |
Hastings Chess Congress | D10 Queen's Gambit Declined Slav |
| 12. A Hagesaether vs B Furman |
| 0-1 | 18 |
2006 |
Hastings Chess Congress | B60 Sicilian, Richter-Rauzer |
| 13. A Hagesaether vs O Jackson |
| 0-1 | 74 |
2007 |
83rd Hastings Chess Congress | B43 Sicilian, Kan, 5.Nc3 |
| 14. A Hagesaether vs K A Islam |
| 0-1 | 57 |
2007 |
83rd Hastings Chess Congress | C78 Ruy Lopez |
| 15. S Loeffler vs A Hagesaether |
| 1-0 | 36 |
2008 |
European Individual Championship | D00 Queen's Pawn Game |
| 16. M Hasan vs A Hagesaether |
| 1-0 | 36 |
2008 |
83rd Hastings Chess Congress | B13 Caro-Kann, Exchange |
| 17. R Pert vs A Hagesaether |
| 1-0 | 30 |
2008 |
Club Argentino-Ruibal | D10 Queen's Gambit Declined Slav |
| 18. A Hagesaether vs G Grecescu |
| 0-1 | 30 |
2008 |
European Individual Championship | B32 Sicilian |
| 19. A Hagesaether vs A Rombaldoni |
| 0-1 | 32 |
2008 |
European Individual Championship | B23 Sicilian, Closed |
| 20. M Bosiocic vs A Hagesaether |
| 1-0 | 42 |
2008 |
European Individual Championship | D11 Queen's Gambit Declined Slav |
| 21. A Hagesaether vs P Mladenov |
| 0-1 | 41 |
2008 |
European Individual Championship | B23 Sicilian, Closed |
| 22. A Hagesaether vs N Mamedov |
| 0-1 | 47 |
2008 |
European Individual Championship | B63 Sicilian, Richter-Rauzer Attack |
| 23. H Vedder vs A Hagesaether |
| 1-0 | 21 |
2008 |
European Individual Championship | B18 Caro-Kann, Classical |
| 24. A Hagesaether vs V Georgiev |
| 0-1 | 20 |
2008 |
83rd Hastings Chess Congress | C78 Ruy Lopez |
| 25. G Kjartansson vs A Hagesaether |
| 1-0 | 45 |
2008 |
Hastings Chess Congress | D15 Queen's Gambit Declined Slav |
