| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Glek vs R Vedder |
| 1-0 | 25 |
1995 |
Bussum | B31 Sicilian, Rossolimo Variation |
| 2. Bronstein vs R Vedder |
| 1-0 | 25 |
1997 |
Hoogeveen open | E16 Queen's Indian |
| 3. J R Markus vs R Vedder |
| 1-0 | 52 |
2000 |
open | A93 Dutch, Stonewall, Botvinnik Variation |
| 4. R Vedder vs D Floor |
 | 1-0 | 46 |
2000 |
Utrecht open I | B45 Sicilian, Taimanov |
| 5. M Azadmanesh vs R Vedder |
| 1-0 | 26 |
2000 |
open | C12 French, McCutcheon |
| 6. R Vedder vs Jan Bey |
| 1-0 | 50 |
2000 |
Soest open | B42 Sicilian, Kan |
| 7. T Gelashvili vs R Vedder |
| 1-0 | 37 |
2000 |
open | B20 Sicilian |
| 8. R Vedder vs J Verwoert |
| 1-0 | 55 |
2000 |
open | B30 Sicilian |
| 9. R Vedder vs N Tagnon |
| 1-0 | 26 |
2000 |
open | B28 Sicilian, O'Kelly Variation |
| 10. R Vedder vs S Algera |
| 1-0 | 38 |
2001 |
Dutch Open | B42 Sicilian, Kan |
| 11. R Vedder vs P Peelen |
| 1-0 | 40 |
2001 |
Lost Boys Open | C78 Ruy Lopez |
| 12. M Waddington vs R Vedder |
| 1-0 | 32 |
2001 |
Dutch Open | C00 French Defense |
| 13. R Vedder vs L Day |
| 1-0 | 39 |
2001 |
Lost Boys Open | C60 Ruy Lopez |
| 14. R Vedder vs R Hendriks |
| 1-0 | 46 |
2001 |
Dutch Open | C63 Ruy Lopez, Schliemann Defense |
| 15. G Van der Hoeven vs R Vedder |
| 1-0 | 33 |
2001 |
Lost Boys Open | B90 Sicilian, Najdorf |
| 16. Dgebuadze vs R Vedder |
| 1-0 | 28 |
2001 |
Dutch Open | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 17. R Vedder vs S Soetewey |
| 1-0 | 53 |
2001 |
Belgian Interteams 2000-1 | B00 Uncommon King's Pawn Opening |
| 18. V Ikonnikov vs R Vedder |
| 1-0 | 32 |
2001 |
Lost Boys Open | A46 Queen's Pawn Game |
| 19. Stijn Bertrem vs R Vedder |
| 1-0 | 31 |
2001 |
Belgian Interteams 2000-1 | A40 Queen's Pawn Game |
| 20. A Simutowe vs R Vedder |
| 1-0 | 64 |
2007 |
11th Essent Open | E73 King's Indian |
| 21. T Abergel vs R Vedder |
| 1-0 | 20 |
2007 |
11th Essent Open | A46 Queen's Pawn Game |
| 22. R Vedder vs A Rasmussen |
| 1-0 | 68 |
2007 |
11th Essent Open | B18 Caro-Kann, Classical |
| 23. R Vedder vs R Hoffman |
| 1-0 | 31 |
2007 |
11th Essent Open | B06 Robatsch |
| 24. R Vedder vs A Van Weersel |
| 1-0 | 30 |
2007 |
11th Essent Open | A06 Reti Opening |
| 25. A Tate vs R Vedder |
| 1-0 | 27 |
2008 |
12th Essent Chess Tournament | C55 Two Knights Defense |
