| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. G Schebler vs M Antonsen |
| 1-0 | 37 |
2006 |
21st North Sea Cup | A49 King's Indian, Fianchetto without c4 |
| 27. M Antonsen vs D Semcesen |
| ½-½ | 18 |
2006 |
Politiken Cup | D11 Queen's Gambit Declined Slav |
| 28. M Antonsen vs J Fogh |
| 1-0 | 31 |
2006 |
21st North Sea Cup | E35 Nimzo-Indian, Classical, Noa Variation, 5.cd ed |
| 29. J P Haapasalo vs M Antonsen |
| ½-½ | 41 |
2006 |
Politiken Cup | A15 English |
| 30. M Antonsen vs T Flindt |
| 1-0 | 30 |
2006 |
21st North Sea Cup | D66 Queen's Gambit Declined, Orthodox Defense, Bd3 line |
| 31. Short vs M Antonsen |
 | 1-0 | 36 |
2006 |
Politiken Cup | C17 French, Winawer, Advance |
| 32. O Bonnelykke vs M Antonsen |
| 0-1 | 35 |
2006 |
21st North Sea Cup | C03 French, Tarrasch |
| 33. M Antonsen vs L Hyldkrog |
| 1-0 | 48 |
2006 |
Politiken Cup | E32 Nimzo-Indian, Classical |
| 34. T Hillarp Persson vs M Antonsen |
| 1-0 | 49 |
2007 |
Politiken Cup | C18 French, Winawer |
| 35. G Finnlaugsson vs M Antonsen |
| 0-1 | 23 |
2007 |
Politiken Cup | C18 French, Winawer |
| 36. M Antonsen vs R Duchene |
| 1-0 | 35 |
2007 |
Politiken Cup | E81 King's Indian, Samisch |
| 37. M Antonsen vs L Petersen |
| 1-0 | 55 |
2007 |
Politiken Cup | A58 Benko Gambit |
| 38. R Tuominen vs M Antonsen |
| ½-½ | 7 |
2007 |
Politiken Cup | D86 Grunfeld, Exchange |
| 39. P Zelbel vs M Antonsen |
| 0-1 | 27 |
2007 |
Politiken Cup | C03 French, Tarrasch |
| 40. M Antonsen vs P H Nielsen |
| 0-1 | 21 |
2007 |
Politiken Cup | D45 Queen's Gambit Declined Semi-Slav |
| 41. M Antonsen vs Krasenkow |
| 0-1 | 44 |
2007 |
Politiken Cup | A80 Dutch |
| 42. F Urkedal vs M Antonsen |
| 0-1 | 13 |
2007 |
Politiken Cup | A45 Queen's Pawn Game |
| 43. M Antonsen vs P Roder |
| 1-0 | 49 |
2007 |
Politiken Cup | E81 King's Indian, Samisch |
| 44. M Antonsen vs T Johansson |
| ½-½ | 51 |
2009 |
Politiken Cup | A80 Dutch |
| 45. E Vaarala vs M Antonsen |
| 0-1 | 51 |
2009 |
Politiken Cup | D85 Grunfeld |
| 46. M Antonsen vs B Jacobsen |
| ½-½ | 6 |
2009 |
Politiken Cup | E81 King's Indian, Samisch |
| 47. M Kaster vs M Antonsen |
| ½-½ | 26 |
2009 |
Politiken Cup | A45 Queen's Pawn Game |
| 48. L A Nielsen vs M Antonsen |
| ½-½ | 13 |
2009 |
Politiken Cup | C55 Two Knights Defense |
| 49. M Antonsen vs B Avrukh |
| 0-1 | 46 |
2009 |
Politiken Cup | D86 Grunfeld, Exchange |
| 50. M Antonsen vs H Molvig |
| 1-0 | 39 |
2009 |
Politiken Cup | D12 Queen's Gambit Declined Slav |
