| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. E Nieto vs M de Wit |
| 1-0 | 44 | 2004 | Belgian Team Championship 2004/05 | C00 French Defense |
| 27. G Cools vs M de Wit |
| 1-0 | 29 | 2005 | Belgian Team Championship 2004/05 | A07 King's Indian Attack |
| 28. M de Wit vs R Michiels |
| ½-½ | 23 | 2005 | Belgian Team Championship 2004/05 | C92 Ruy Lopez, Closed |
| 29. T Huesmann vs M de Wit |
| ½-½ | 38 | 2005 | Belgian Team Championship 2005/06 | C45 Scotch Game |
| 30. P Uhoda vs M de Wit |
| 0-1 | 42 | 2005 | Belgian Team Championship 2005/06 | D35 Queen's Gambit Declined |
| 31. W Van den Brande vs M de Wit |
| 0-1 | 36 | 2005 | Belgian Team Championship 2005/06 | C45 Scotch Game |
| 32. M de Wit vs F Decoster |
| 1-0 | 27 | 2006 | Belgian Team Championship 2005/06 | B22 Sicilian, Alapin |
| 33. M de Wit vs V Maes |
| ½-½ | 13 | 2006 | Belgian Team Championship 2005/06 | C13 French |
| 34. M de Wit vs S Minyeyevtsev |
| 0-1 | 33 | 2006 | Belgian Team Championship 2005/06 | C92 Ruy Lopez, Closed |
| 35. R van der Meer vs M de Wit |
| 0-1 | 43 | 2006 | Stukkenjagers op-A | C60 Ruy Lopez |
| 36. A Dardha vs M de Wit |
| ½-½ | 72 | 2007 | Antwerp | C05 French, Tarrasch |
| 37. A Dardha vs M de Wit |
| 1-0 | 59 | 2009 | Masters | A18 English, Mikenas-Carls |
| 38. M de Wit vs A Dardha |
| ½-½ | 62 | 2011 | Brasschaat Masters | B22 Sicilian, Alapin |
| 39. N Luecke vs M de Wit |
| 1-0 | 38 | 2011 | Eynatten 1 - Anderlecht | A46 Queen's Pawn Game |
| 40. J Jens vs M de Wit |
| 1-0 | 28 | 2014 | TCh-BEL 2013-14 | C70 Ruy Lopez |
| 41. L'Ami vs M de Wit |
| 1-0 | 29 | 2016 | NED-chT 2016/17 | E15 Queen's Indian |
| 42. M de Wit vs D Reinderman |
| 0-1 | 41 | 2016 | NED-chT 2016/17 | B22 Sicilian, Alapin |
| 43. M de Wit vs J M Sprenger |
| 0-1 | 24 | 2017 | NED-chT 2016/17 | B22 Sicilian, Alapin |
| 44. M de Wit vs I Wantola |
| ½-½ | 33 | 2023 | Dutch League 2023/24 | B22 Sicilian, Alapin |
| 45. M de Wit vs E de Boer |
| 0-1 | 105 | 2023 | Dutch League 2023/24 | C07 French, Tarrasch |
| 46. O Elgersma vs M de Wit |
| 1-0 | 54 | 2023 | Dutch League 2023/24 | C70 Ruy Lopez |
| 47. L Schilstra vs M de Wit |
| 1-0 | 33 | 2024 | Dutch League 2023/24 | C90 Ruy Lopez, Closed |
| 48. M de Wit vs F van Tellingen |
| ½-½ | 52 | 2024 | Dutch League 2023/24 | B22 Sicilian, Alapin |
| 49. I Maris vs M de Wit |
| ½-½ | 45 | 2024 | Hoogeveen Open | A04 Reti Opening |
| 50. M de Wit vs A Kovchan |
| 0-1 | 40 | 2024 | Hoogeveen Open | B18 Caro-Kann, Classical |
Kibitzing
