| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. S Strothotte vs W Pannekoek |
| 1-0 | 33 | 1998 | Hogeschool Zeeland Open | B70 Sicilian, Dragon Variation |
| 2. E Haak vs W Pannekoek |
| 0-1 | 35 | 2000 | HZ Open | A90 Dutch |
| 3. K Leenhouts vs W Pannekoek |
| 1-0 | 24 | 2000 | HZ Open | B00 Uncommon King's Pawn Opening |
| 4. W Pannekoek vs H Groffen |
| 0-1 | 48 | 2000 | HZ Open | D00 Queen's Pawn Game |
| 5. W Pannekoek vs M Vinck |
| 0-1 | 24 | 2001 | HZ Open | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 6. W Pannekoek vs G Kodentsov |
| ½-½ | 29 | 2001 | HZ Open | C18 French, Winawer |
| 7. R Theissl Pokorna vs W Pannekoek |
| 0-1 | 25 | 2001 | HZ Open | C82 Ruy Lopez, Open |
| 8. K van Muenster vs W Pannekoek |
| ½-½ | 16 | 2001 | HZ Open | C77 Ruy Lopez |
| 9. W Pannekoek vs S Stange |
| ½-½ | 49 | 2001 | HZ Open | C42 Petrov Defense |
| 10. B Friesen vs W Pannekoek |
| ½-½ | 35 | 2001 | HZ Open | A01 Nimzovich-Larsen Attack |
| 11. W Pannekoek vs V Hagedorn |
| 0-1 | 46 | 2001 | HZ Open | C00 French Defense |
| 12. W Stange vs W Pannekoek |
| ½-½ | 22 | 2001 | HZ Open | D24 Queen's Gambit Accepted |
| 13. W Pannekoek vs J Vogel |
| 0-1 | 49 | 2003 | Dutch Open | C16 French, Winawer |
| 14. J B Jensen vs W Pannekoek |
| 0-1 | 51 | 2003 | Dutch Open | E97 King's Indian |
| 15. W Pannekoek vs F van der Elburg |
| 0-1 | 48 | 2003 | Dutch Open | B48 Sicilian, Taimanov Variation |
| 16. R van Helvoort vs W Pannekoek |
| 1-0 | 40 | 2003 | Dutch Open | C45 Scotch Game |
| 17. W Pannekoek vs B van Geffen |
| ½-½ | 23 | 2003 | Dutch Open | C45 Scotch Game |
| 18. J van der Veen vs W Pannekoek |
| ½-½ | 14 | 2003 | Dutch Open | C47 Four Knights |
| 19. W Pannekoek vs M Boel |
| 0-1 | 35 | 2003 | Dutch Open | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 20. J van Rosmalen vs W Pannekoek |
| ½-½ | 17 | 2003 | Dutch Open | C45 Scotch Game |
| 21. W Pannekoek vs C van der Merwe |
| 1-0 | 35 | 2003 | Dutch Open | C13 French |
| 22. R Odendahl vs W Pannekoek |
| 1-0 | 29 | 2003 | Vlissingen HZ Open | E67 King's Indian, Fianchetto |
| 23. W Pannekoek vs P Manuel |
| 1-0 | 54 | 2003 | Vlissingen HZ Open | B12 Caro-Kann Defense |
| 24. W Pannekoek vs M Praet |
| 0-1 | 29 | 2004 | Belgian Team Championship 2004/05 | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 25. M de Wit vs W Pannekoek |
| ½-½ | 46 | 2004 | Belgian Team Championship 2004/05 | C80 Ruy Lopez, Open |
Kibitzing
