| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. P Wang vs R Castellanos |
| 0-1 | 44 |
2004 |
36th Olympiad | A45 Queen's Pawn Game |
| 2. Y Erturan vs R Castellanos |
| 0-1 | 28 |
2004 |
36th Olympiad | B50 Sicilian |
| 3. Kanep vs R Castellanos |
| 1-0 | 83 |
2004 |
36th Olympiad | B92 Sicilian, Najdorf, Opocensky Variation |
| 4. R Castellanos vs Hon Kun Chang |
| 1-0 | 36 |
2004 |
36th Olympiad | C87 Ruy Lopez |
| 5. R Castellanos vs D Zagorskis |
| ½-½ | 21 |
2004 |
36th Olympiad | C41 Philidor Defense |
| 6. R Castellanos vs V Gashimov |
| ½-½ | 21 |
2004 |
36th Olympiad | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 7. R Castellanos vs H Herraiz Hidalgo |
| ½-½ | 30 |
2004 |
36th Olympiad | C12 French, McCutcheon |
| 8. R Castellanos vs V Meijers |
| 0-1 | 48 |
2004 |
36th Olympiad | B42 Sicilian, Kan |
| 9. A Bauza vs R Castellanos |
| 0-1 | 21 |
2004 |
36th Olympiad | A07 King's Indian Attack |
| 10. A Cruz Condori vs R Castellanos |
| ½-½ | 54 |
2004 |
36th Olympiad | A46 Queen's Pawn Game |
| 11. H Hamdouchi vs R Castellanos |
 | ½-½ | 53 |
2006 |
37th Chess Olympiad | B53 Sicilian |
| 12. R Castellanos vs Hjartarson |
| 0-1 | 70 |
2006 |
37th Chess Olympiad | C92 Ruy Lopez, Closed |
| 13. R Castellanos vs O Zambrana |
| 1-0 | 46 |
2006 |
37th Chess Olympiad | B31 Sicilian, Rossolimo Variation |
| 14. R Castellanos vs S Sarno |
| ½-½ | 47 |
2006 |
37th Chess Olympiad | B06 Robatsch |
| 15. R Castellanos vs J Ivanov |
 | 1-0 | 22 |
2006 |
Dos Hermanas op 5th | B42 Sicilian, Kan |
| 16. R Castellanos vs P Rowe |
| 1-0 | 34 |
2006 |
37th Chess Olympiad | B01 Scandinavian |
| 17. Ftacnik vs R Castellanos |
| 1-0 | 61 |
2006 |
37th Chess Olympiad | E94 King's Indian, Orthodox |
| 18. B Kelly vs R Castellanos |
| 1-0 | 56 |
2006 |
37th Chess Olympiad | E94 King's Indian, Orthodox |
| 19. R Castellanos vs Granda-Zuniga |
| 0-1 | 47 |
2006 |
II Sort Open | B31 Sicilian, Rossolimo Variation |
| 20. R Castellanos vs R Harper |
| 1-0 | 31 |
2006 |
37th Chess Olympiad | B31 Sicilian, Rossolimo Variation |
| 21. R Castellanos vs Md Omar Ak Hafizon Pg |
 | 1-0 | 28 |
2006 |
37th Chess Olympiad | B63 Sicilian, Richter-Rauzer Attack |
| 22. R Castellanos vs J Antoli Royo |
| ½-½ | 40 |
2006 |
II Sort Open | C88 Ruy Lopez |
| 23. S Megaranto vs R Castellanos |
| 1-0 | 51 |
2006 |
37th Chess Olympiad | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 24. V Iordachescu vs R Castellanos |
| 1-0 | 65 |
2006 |
37th Chess Olympiad | B90 Sicilian, Najdorf |
| 25. T Nyback vs R Castellanos |
| 1-0 | 57 |
2006 |
37th Chess Olympiad | E92 King's Indian |