| 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. Oyvind Ukkelberg vs A Hagesaether |
| 1-0 | 33 |
2001 |
Open NOR-ch | A02 Bird's Opening |
| 3. A Hagesaether vs Tarjei J Svensen |
| 1-0 | 29 |
2001 |
Open NOR-ch | C02 French, Advance |
| 4. A Hagesaether vs Thanh Pham Toan |
| 1-0 | 27 |
2001 |
Open NOR-ch | C02 French, Advance |
| 5. Speelman vs A Hagesaether |
| 1-0 | 51 |
2004 |
Gibraltar Masters | D02 Queen's Pawn Game |
| 6. N Speck vs A Hagesaether |
| 1-0 | 51 |
2004 |
Gibraltar Masters | B14 Caro-Kann, Panov-Botvinnik Attack |
| 7. T Lunn vs A Hagesaether |
| 1-0 | 48 |
2006 |
Hastings Chess Congress | D10 Queen's Gambit Declined Slav |
| 8. A Ashton vs A Hagesaether |
| 1-0 | 36 |
2006 |
Hastings Chess Congress | B13 Caro-Kann, Exchange |
| 9. A Hagesaether vs E Fragakis |
| 1-0 | 41 |
2008 |
European Individual Championship | B23 Sicilian, Closed |
| 10. M Hasan vs A Hagesaether |
| 1-0 | 36 |
2008 |
83rd Hastings Chess Congress | B13 Caro-Kann, Exchange |
| 11. H Vedder vs A Hagesaether |
| 1-0 | 21 |
2008 |
European Individual Championship | B18 Caro-Kann, Classical |
| 12. A Hagesaether vs J Lenier |
| 1-0 | 46 |
2008 |
Hastings Chess Congress | C45 Scotch Game |
| 13. S Loeffler vs A Hagesaether |
| 1-0 | 36 |
2008 |
European Individual Championship | D00 Queen's Pawn Game |
| 14. G Kjartansson vs A Hagesaether |
| 1-0 | 45 |
2008 |
Hastings Chess Congress | D15 Queen's Gambit Declined Slav |
| 15. M Bosiocic vs A Hagesaether |
| 1-0 | 42 |
2008 |
European Individual Championship | D11 Queen's Gambit Declined Slav |
| 16. R Pert vs A Hagesaether |
| 1-0 | 30 |
2008 |
Club Argentino-Ruibal | D10 Queen's Gambit Declined Slav |
| 17. A Hagesaether vs R Ringor |
| 1-0 | 25 |
2008 |
83rd Hastings Chess Congress | B20 Sicilian |
| 18. A Hagesaether vs G Linqvist |
| 1-0 | 50 |
2009 |
Gibtelecom | C16 French, Winawer |
| 19. R Griffiths vs A Hagesaether |
| 1-0 | 24 |
2009 |
Hastings Chess Congress | B12 Caro-Kann Defense |
| 20. G Quillan vs A Hagesaether |
| 1-0 | 27 |
2009 |
Gibtelecom | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 21. A Ashton vs A Hagesaether |
| 1-0 | 41 |
2009 |
Gibtelecom | B13 Caro-Kann, Exchange |
| 22. M Calzetta vs A Hagesaether |
| 1-0 | 23 |
2009 |
Gibtelecom | B12 Caro-Kann Defense |
| 23. A Hagesaether vs A Lumsdon |
| 1-0 | 40 |
2009 |
Gibtelecom | B16 Caro-Kann, Bronstein-Larsen Variation |
| 24. A Hagesaether vs P Bishop |
| 1-0 | 36 |
2009 |
Gibtelecom | B23 Sicilian, Closed |
| 25. M Carlhammar vs A Hagesaether |
| 1-0 | 60 |
2009 |
Gibtelecom | A07 King's Indian Attack |
