| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. M Geenen vs J Vogel |
| 0-1 | 48 | 1985 | Lugano Open | C16 French, Winawer |
| 2. M Geenen vs C Garcia Palermo |
| 1-0 | 31 | 1986 | Brussels OHRA-B | B12 Caro-Kann Defense |
| 3. M Geenen vs A Kuligowski |
| ½-½ | 37 | 1986 | Brussels OHRA-B | B96 Sicilian, Najdorf |
| 4. W Iclicki vs M Geenen |
| ½-½ | 10 | 1986 | Brussels OHRA-B | D02 Queen's Pawn Game |
| 5. D Pergericht vs M Geenen |
| ½-½ | 8 | 1986 | Brussels OHRA-B | E83 King's Indian, Samisch |
| 6. M Pein vs M Geenen |
| ½-½ | 23 | 1986 | Brussels OHRA-B | D07 Queen's Gambit Declined, Chigorin Defense |
| 7. B Kouatly vs M Geenen |
| ½-½ | 16 | 1986 | Brussels OHRA-B | D07 Queen's Gambit Declined, Chigorin Defense |
| 8. M Geenen vs W N Watson |
| 0-1 | 39 | 1986 | Brussels OHRA-B | B12 Caro-Kann Defense |
| 9. M Geenen vs L Winants |
| 0-1 | 50 | 1986 | Brussels OHRA-B | B82 Sicilian, Scheveningen |
| 10. M Geenen vs P Moulin |
| 0-1 | 53 | 1987 | GP Librairie Marchand | B12 Caro-Kann Defense |
| 11. M Geenen vs G Flear |
| ½-½ | 18 | 1987 | Ohra Masters' Trophy | C67 Ruy Lopez |
| 12. M Geenen vs M Jadoul |
| 1-0 | 30 | 1987 | Ohra Masters' Trophy | B44 Sicilian |
| 13. M Geenen vs L Gutman |
| 0-1 | 38 | 1987 | Ohra Masters' Trophy | A40 Queen's Pawn Game |
| 14. M Geenen vs J Piket |
| 0-1 | 41 | 1987 | Ohra Masters' Trophy | B63 Sicilian, Richter-Rauzer Attack |
| 15. W Iclicki vs M Geenen |
| ½-½ | 8 | 1987 | Ohra Masters' Trophy | A42 Modern Defense, Averbakh System |
| 16. M Geenen vs M Sharif |
| 0-1 | 32 | 1987 | Ohra Masters' Trophy | C67 Ruy Lopez |
| 17. M Krukowski vs M Geenen |
| 0-1 | 17 | 1987 | Ohra Masters' Trophy | C48 Four Knights |
| 18. C Flear vs M Geenen |
| ½-½ | 17 | 1987 | Ohra Masters' Trophy | D08 Queen's Gambit Declined, Albin Counter Gambit |
| 19. R Weemaes vs M Geenen |
| ½-½ | 7 | 1987 | Ohra Masters' Trophy | D02 Queen's Pawn Game |
| 20. Lobron vs M Geenen |
| 1-0 | 38 | 1988 | Cannes Open | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 21. M Geenen vs H Benesch |
| 1-0 | 30 | 1988 | Zalakaros Open | C11 French |
| 22. L Szell vs M Geenen |
| ½-½ | 30 | 1988 | Zalakaros Open | C53 Giuoco Piano |
| 23. C Gouveia vs M Geenen |
| ½-½ | 61 | 1988 | Thessaloniki Olympiad | A00 Uncommon Opening |
| 24. S Kindermann vs M Geenen |
| ½-½ | 21 | 1988 | Thessaloniki Olympiad | C63 Ruy Lopez, Schliemann Defense |
| 25. M Geenen vs V Kalinin |
| 0-1 | 28 | 1988 | Thessaloniki Olympiad | C05 French, Tarrasch |
Kibitzing
