| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. K Meulenbroek vs M Lonborg |
| ½-½ | 22 | 1999 | Politiken Cup | B83 Sicilian |
| 27. M Baekgaard vs M Lonborg |
| 1-0 | 48 | 1999 | Politiken Cup | A07 King's Indian Attack |
| 28. M Lonborg vs N Madhy |
| 1-0 | 32 | 1999 | Politiken Cup | B90 Sicilian, Najdorf |
| 29. M Ori vs M Lonborg |
| 0-1 | 57 | 1999 | Politiken Cup | B80 Sicilian, Scheveningen |
| 30. M Lonborg vs T Sorensen |
| 0-1 | 52 | 1999 | Politiken Cup | B81 Sicilian, Scheveningen, Keres Attack |
| 31. E Mathiesen vs M Lonborg |
| 1-0 | 68 | 1999 | Politiken Cup | A04 Reti Opening |
| 32. M Lonborg vs A Hansen |
| 0-1 | 31 | 1999 | Politiken Cup | C44 King's Pawn Game |
| 33. M Lonborg vs E Arlandi |
| 0-1 | 32 | 1999 | Montecatini Terme Open | B81 Sicilian, Scheveningen, Keres Attack |
| 34. M Lonborg vs G Fabiano |
| 0-1 | 36 | 1999 | Montecatini Terme Open | C41 Philidor Defense |
| 35. M Maechel vs M Lonborg |
| 0-1 | 49 | 2000 | Politiken Cup | B40 Sicilian |
| 36. M Lonborg vs de Firmian |
| 0-1 | 29 | 2000 | Politiken Cup | E32 Nimzo-Indian, Classical |
| 37. A B Nielsen vs M Lonborg |
| 1-0 | 59 | 2000 | Politiken Cup | A31 English, Symmetrical, Benoni Formation |
| 38. M Lonborg vs U Rasmussen |
| 0-1 | 45 | 2000 | Politiken Cup | A90 Dutch |
| 39. H D Hansen vs M Lonborg |
| ½-½ | 67 | 2000 | Politiken Cup | B22 Sicilian, Alapin |
| 40. M Lonborg vs M Hansen |
| 1-0 | 41 | 2000 | Politiken Cup | D93 Grunfeld, with Bf4 & e3 |
| 41. J M Nielsen vs M Lonborg |
| ½-½ | 38 | 2000 | Politiken Cup | A45 Queen's Pawn Game |
| 42. M Lonborg vs D Lardot |
| 1-0 | 40 | 2000 | Politiken Cup | A84 Dutch |
| 43. D Kokholm vs M Lonborg |
| 0-1 | 23 | 2000 | Politiken Cup | A43 Old Benoni |
| 44. M Lonborg vs D Bekker-Jensen |
| 0-1 | 50 | 2000 | Politiken Cup | E94 King's Indian, Orthodox |
| 45. L Grahn vs M Lonborg |
| ½-½ | 65 | 2000 | Politiken Cup | A43 Old Benoni |
| 46. P Nielsen vs M Lonborg |
| 0-1 | 29 | 2002 | Politiken Cup | B95 Sicilian, Najdorf, 6...e6 |
| 47. M Lonborg vs H Kallio |
| 0-1 | 59 | 2002 | Politiken Cup | E38 Nimzo-Indian, Classical, 4...c5 |
| 48. P Korsgaard vs M Lonborg |
| 0-1 | 24 | 2002 | Politiken Cup | A04 Reti Opening |
| 49. C Hanley vs M Lonborg |
| 1-0 | 35 | 2002 | Politiken Cup | A15 English |
| 50. M Lonborg vs P E Hansen |
| 0-1 | 78 | 2002 | Politiken Cup | D35 Queen's Gambit Declined |
Kibitzing
