| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Oral vs R Janssen |
| ½-½ | 26 |
1996 |
Hengelo U20 | B22 Sicilian, Alapin |
| 2. Nijboer vs R Janssen |
| 1-0 | 36 |
1999 |
Hoogovens B Tournament | B76 Sicilian, Dragon, Yugoslav Attack |
| 3. T Gelashvili vs R Janssen |
| 1-0 | 28 |
2000 |
Vlissingen HZ op 4th | B20 Sicilian |
| 4. J Werle vs R Janssen |
| ½-½ | 13 |
2001 |
Stork YM | B40 Sicilian |
| 5. Tiviakov vs R Janssen |
| ½-½ | 41 |
2001 |
Dutch Open | B23 Sicilian, Closed |
| 6. Nijboer vs R Janssen |
| 1-0 | 22 |
2001 |
Tch-NED | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 7. J Jackova vs R Janssen |
| ½-½ | 31 |
2001 |
Stork YM | B43 Sicilian, Kan, 5.Nc3 |
| 8. H Plasman vs R Janssen |
 | ½-½ | 27 |
2001 |
Dutch Open | B22 Sicilian, Alapin |
| 9. E Van Haastert vs R Janssen |
| ½-½ | 22 |
2001 |
Tch-NED | B54 Sicilian |
| 10. J Van Zandwijk vs R Janssen |
 | 0-1 | 35 |
2001 |
HZ Open | B40 Sicilian |
| 11. Joc Snuverink vs R Janssen |
| ½-½ | 39 |
2001 |
sf ch-NED | B40 Sicilian |
| 12. A Berelovich vs R Janssen |
| 1-0 | 78 |
2001 |
Dutch Open | B96 Sicilian, Najdorf |
| 13. N Firman vs R Janssen |
| 0-1 | 45 |
2001 |
Stork YM | B90 Sicilian, Najdorf |
| 14. J Jens vs R Janssen |
| ½-½ | 34 |
2001 |
Dutch Open | B40 Sicilian |
| 15. Van Den Doel vs R Janssen |
| 1-0 | 43 |
2002 |
Essent ch-NED | B90 Sicilian, Najdorf |
| 16. D Reinderman vs R Janssen |
| ½-½ | 28 |
2002 |
Essent ch-NED | B40 Sicilian |
| 17. Sadvakasov vs R Janssen |
| 1-0 | 39 |
2002 |
Aeroflot Open | B50 Sicilian |
| 18. E Inarkiev vs R Janssen |
| 1-0 | 42 |
2002 |
Aeroflot Open | B90 Sicilian, Najdorf |
| 19. Sadvakasov vs R Janssen |
| ½-½ | 28 |
2002 |
Lost Boys op | B33 Sicilian |
| 20. G Vescovi vs R Janssen |
| 1-0 | 35 |
2002 |
Aeroflot Open | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 21. Van der Wiel vs R Janssen |
| ½-½ | 32 |
2003 |
Dutch Championships | B90 Sicilian, Najdorf |
| 22. Stellwagen vs R Janssen |
 | 1-0 | 25 |
2003 |
Dutch Championships | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 23. Tiviakov vs R Janssen |
| 1-0 | 65 |
2003 |
Dutch Championships | B23 Sicilian, Closed |
| 24. M Sebag vs R Janssen |
| ½-½ | 46 |
2003 |
Deizisau GER | B22 Sicilian, Alapin |
| 25. M Pavlovic vs R Janssen |
 | 1-0 | 34 |
2004 |
Wijk aan Zee C Group | B96 Sicilian, Najdorf |