| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. M Sher vs H Mortensen |
| 1-0 | 59 | 1992 | Hamburg op | D32 Queen's Gambit Declined, Tarrasch |
| 2. M Andersen vs H Mortensen |
| ½-½ | 42 | 1992 | Copenhagen Open | B01 Scandinavian |
| 3. H Mortensen vs E Christensen |
| 1-0 | 23 | 1992 | Copenhagen Open | B40 Sicilian |
| 4. H Mortensen vs B J Jorgensen |
| ½-½ | 16 | 1992 | Copenhagen Open | C45 Scotch Game |
| 5. M Thuesen vs H Mortensen |
| 1-0 | 33 | 1992 | Copenhagen Open | D30 Queen's Gambit Declined |
| 6. H Mortensen vs S B Hansen |
| 0-1 | 24 | 1992 | Copenhagen Open | B32 Sicilian |
| 7. J M Basart Munoz vs H Mortensen |
| ½-½ | 41 | 1992 | Copenhagen Open | A92 Dutch |
| 8. H Mortensen vs J Aagaard |
| 0-1 | 37 | 1992 | Copenhagen Open | B44 Sicilian |
| 9. C Torsvik vs H Mortensen |
| 0-1 | 34 | 1992 | Copenhagen Open | A37 English, Symmetrical |
| 10. H Mortensen vs K E Poulsen |
| 1-0 | 64 | 1992 | Copenhagen Open | B33 Sicilian |
| 11. B Brinck-Claussen vs H Mortensen |
| 1-0 | 18 | 1992 | Copenhagen Open | B04 Alekhine's Defense, Modern |
| 12. H Mortensen vs E Mortensen |
| 0-1 | 49 | 1997 | Politiken Cup | B43 Sicilian, Kan, 5.Nc3 |
| 13. H Arnarsson vs H Mortensen |
| ½-½ | 66 | 1997 | Politiken Cup | B02 Alekhine's Defense |
| 14. H Mortensen vs D B Jensen |
| 1-0 | 48 | 1997 | Politiken Cup | B45 Sicilian, Taimanov |
| 15. B Thorfinnsson vs H Mortensen |
| 1-0 | 52 | 1997 | Politiken Cup | D31 Queen's Gambit Declined |
| 16. H Mortensen vs J Sorensen |
| 1-0 | 29 | 1997 | Politiken Cup | D79 Neo-Grunfeld, 6.O-O, Main line |
| 17. J Ferenc vs H Mortensen |
| ½-½ | 33 | 1997 | Politiken Cup | B01 Scandinavian |
| 18. B Hansen vs H Mortensen |
| 1-0 | 90 | 1997 | Politiken Cup | A57 Benko Gambit |
| 19. H Mortensen vs T Nielsen |
| 1-0 | 36 | 1997 | Politiken Cup | B40 Sicilian |
| 20. H Mortensen vs P S Nielsen |
| ½-½ | 68 | 1997 | Politiken Cup | C05 French, Tarrasch |
| 21. T V Pedersen vs H Mortensen |
| 1-0 | 27 | 1997 | Politiken Cup | A40 Queen's Pawn Game |
| 22. H Mortensen vs M Kaspersen |
| 0-1 | 19 | 1997 | Politiken Cup | B06 Robatsch |
| 23. H Mortensen vs S B Hansen |
| 0-1 | 32 | 1998 | Politiken Cup | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 24. H R Omarsson vs H Mortensen |
| 0-1 | 22 | 1998 | Politiken Cup | D02 Queen's Pawn Game |
| 25. H Mortensen vs K Larsen |
| 0-1 | 23 | 1998 | Politiken Cup | D01 Richter-Veresov Attack |
Kibitzing
