| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Rosito vs R Dos Santos |
| 1-0 | 27 |
1990 |
Tres Arroyos ch-ARG | C77 Ruy Lopez |
| 2. R Dos Santos vs J Rosito |
| ½-½ | 59 |
1992 |
open | C63 Ruy Lopez, Schliemann Defense |
| 3. Pavasovic vs R Dos Santos |
| 1-0 | 54 |
1995 |
Wch U20 | C45 Scotch Game |
| 4. R Dos Santos vs J Rosito |
| ½-½ | 29 |
1997 |
It op Mar del Plata ARG | B62 Sicilian, Richter-Rauzer |
| 5. S Migliaro vs R Dos Santos |
 | 0-1 | 24 |
2001 |
Homenaje a la Bandera | C47 Four Knights |
| 6. R Dos Santos vs C Garcia Palermo |
| ½-½ | 32 |
2001 |
Homenaje a la Bandera | B00 Uncommon King's Pawn Opening |
| 7. D Carlos Varela vs R Dos Santos |
| 0-1 | 46 |
2005 |
American Continental | A07 King's Indian Attack |
| 8. R Dos Santos vs O Bustamante |
| ½-½ | 51 |
2005 |
American Continental | D32 Queen's Gambit Declined, Tarrasch |
| 9. R Dos Santos vs Kudrin |
| 0-1 | 52 |
2005 |
American Continental Championship | D85 Grunfeld |
| 10. A Orsini vs R Dos Santos |
| 0-1 | 25 |
2005 |
American Continental | C57 Two Knights |
| 11. L Tobares vs R Dos Santos |
| ½-½ | 41 |
2005 |
American Continental | D93 Grunfeld, with Bf4 & e3 |
| 12. R Dos Santos vs D Gurevich |
| 0-1 | 55 |
2005 |
American Continental Championship | B22 Sicilian, Alapin |
| 13. R Dos Santos vs S Arambel |
| 1-0 | 27 |
2005 |
American Continental | C18 French, Winawer |
| 14. R Dos Santos vs G Vescovi |
| 0-1 | 36 |
2005 |
American Continental Championship | E25 Nimzo-Indian, Samisch |
| 15. L Liascovich vs R Dos Santos |
| ½-½ | 81 |
2008 |
Magistral Internacional Ruibal | D23 Queen's Gambit Accepted |
| 16. R Dos Santos vs R Felgaer |
| ½-½ | 25 |
2008 |
Semi Arg Bs. As. | B07 Pirc |
| 17. C Garcia Palermo vs R Dos Santos |
| ½-½ | 42 |
2008 |
Magistral Internacional Ruibal | A07 King's Indian Attack |
| 18. R Dos Santos vs A Rodriguez Vila |
| 0-1 | 50 |
2008 |
Magistral Internacional Ruibal | C78 Ruy Lopez |
| 19. F Quiroga vs R Dos Santos |
| 0-1 | 40 |
2008 |
Semi Arg Bs. As. | A07 King's Indian Attack |
| 20. R Dos Santos vs G Mahia |
| 1-0 | 29 |
2008 |
Magistral Internacional Ruibal | C18 French, Winawer |
| 21. Larsen vs R Dos Santos |
 | 0-1 | 32 |
2008 |
Magistral Internacional Ruibal | A00 Uncommon Opening |
| 22. R Dos Santos vs E Fulguenzi |
| 0-1 | 62 |
2008 |
Semi Arg Bs. As. | B06 Robatsch |
| 23. D Lemos vs R Dos Santos |
| 1-0 | 36 |
2008 |
Magistral Internacional Ruibal | A52 Budapest Gambit |
| 24. R Dos Santos vs M Bitelmajer |
| 1-0 | 33 |
2008 |
Semi Arg Bs. As. | C95 Ruy Lopez, Closed, Breyer |
| 25. R Dos Santos vs S Mareco |
| ½-½ | 19 |
2008 |
Magistral Internacional Ruibal | C53 Giuoco Piano |