| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. R Lahaye vs E Cekro |
| 0-1 | 37 | 2004 | Belgian Team Championship 2004/05 | A04 Reti Opening |
| 52. R Lahaye vs R Tiggelman |
| ½-½ | 55 | 2004 | Belgian Team Championship 2004/05 | A06 Reti Opening |
| 53. H Jonkman vs R Lahaye |
| ½-½ | 90 | 2004 | Hoogeveen Essent op | B22 Sicilian, Alapin |
| 54. R Lahaye vs K Le Quang |
| 0-1 | 46 | 2004 | Belgian Team Championship 2004/05 | E90 King's Indian |
| 55. Timman vs R Lahaye |
| 1-0 | 30 | 2005 | Dutch Rapid Open | B50 Sicilian |
| 56. G Van der Stricht vs R Lahaye |
| ½-½ | 24 | 2005 | Belgian Team Championship 2004/05 | D37 Queen's Gambit Declined |
| 57. R Lahaye vs M Ahn |
| ½-½ | 36 | 2005 | Belgian Team Championship 2004/05 | B70 Sicilian, Dragon Variation |
| 58. A Ooms vs R Lahaye |
| 0-1 | 37 | 2005 | Belgian Team Championship 2004/05 | D02 Queen's Pawn Game |
| 59. E van den Doel vs R Lahaye |
| 1-0 | 42 | 2005 | Belgian Team Championship 2004/05 | B90 Sicilian, Najdorf |
| 60. R Lahaye vs M Dambacher |
| 1-0 | 69 | 2006 | Belgian Team Championship 2005/06 | A13 English |
| 61. J Vandendriessche vs R Lahaye |
 | 0-1 | 34 | 2007 | Belgian League | A07 King's Indian Attack |
| 62. Mikhalevski vs R Lahaye |
| 1-0 | 101 | 2007 | Canadian Open | D45 Queen's Gambit Declined Semi-Slav |
| 63. R Lahaye vs A Rychagov |
| ½-½ | 30 | 2007 | Canadian Open | A88 Dutch, Leningrad, Main Variation with c6 |
| 64. A Shomoev vs R Lahaye |
| ½-½ | 73 | 2007 | Canadian Open | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 65. R Lahaye vs A Kunte |
| ½-½ | 66 | 2007 | Canadian Open | A15 English |
| 66. Tiviakov vs R Lahaye |
| 1-0 | 24 | 2007 | Canadian Open | B22 Sicilian, Alapin |
| 67. M Egorov vs R Lahaye |
| 0-1 | 28 | 2011 | Hart House Reading Week Open | D17 Queen's Gambit Declined Slav |
| 68. R Lahaye vs K Wu |
| 1-0 | 35 | 2011 | Hart House Reading Week Open | E62 King's Indian, Fianchetto |
| 69. R Lahaye vs B Sambuev |
| ½-½ | 54 | 2011 | Hart House Reading Week Open | A49 King's Indian, Fianchetto without c4 |
| 70. R Lahaye vs A Calugar |
| ½-½ | 52 | 2011 | Hart House Reading Week Open | A49 King's Indian, Fianchetto without c4 |
| 71. N Noritsyn vs R Lahaye |
| 1-0 | 38 | 2011 | Hart House Reading Week Open | B10 Caro-Kann |
| 72. M Warmerdam vs R Lahaye |
| 1-0 | 42 | 2016 | Dutch League -17 | B90 Sicilian, Najdorf |
| 73. V Ikonnikov vs R Lahaye |
| 1-0 | 49 | 2016 | NED-chT 2016/17 | D11 Queen's Gambit Declined Slav |
| 74. R Lahaye vs B Bok |
| 0-1 | 86 | 2017 | TCh-BEL 2016-17 | D02 Queen's Pawn Game |
| 75. R Lahaye vs P Nikolic |
| 1-0 | 41 | 2017 | NED-chT 2016/17 | A46 Queen's Pawn Game |
Kibitzing
