| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. R Dos Santos vs G Vescovi |
| 0-1 | 36 | 2005 | American Continental | E25 Nimzo-Indian, Samisch |
| 52. R Dos Santos vs D Gurevich |
| 0-1 | 55 | 2005 | American Continental | B22 Sicilian, Alapin |
| 53. L Tobares vs R Dos Santos |
| ½-½ | 41 | 2005 | American Continental | D93 Grunfeld, with Bf4 & e3 |
| 54. R Dos Santos vs S Arambel |
| 1-0 | 27 | 2005 | American Continental | C18 French, Winawer |
| 55. R Dos Santos vs Kudrin |
| 0-1 | 52 | 2005 | American Continental | D85 Grunfeld |
| 56. J F Cubas vs R Dos Santos |
| 1-0 | 20 | 2006 | Buenos Aires Torre Blanca | C55 Two Knights Defense |
| 57. R Dos Santos vs D Flores |
| 1-0 | 45 | 2007 | Berazategui op | B40 Sicilian |
| 58. R Dos Santos vs L Avila |
| 1-0 | 28 | 2008 | Semi Arg Bs. As. | B33 Sicilian |
| 59. G Calderon Fernandez vs R Dos Santos |
| ½-½ | 42 | 2008 | Semi Arg Bs. As. | D20 Queen's Gambit Accepted |
| 60. R Dos Santos vs E Fulgenzi |
| 0-1 | 62 | 2008 | Semi Arg Bs. As. | B06 Robatsch |
| 61. F Quiroga vs R Dos Santos |
| 0-1 | 40 | 2008 | Semi Arg Bs. As. | A07 King's Indian Attack |
| 62. R Dos Santos vs R Felgaer |
| ½-½ | 25 | 2008 | Semi Arg Bs. As. | B07 Pirc |
| 63. G Mahia vs R Dos Santos |
| 1-0 | 66 | 2008 | Semi Arg Bs. As. | D20 Queen's Gambit Accepted |
| 64. R Dos Santos vs M Bitelmajer |
| 1-0 | 33 | 2008 | Semi Arg Bs. As. | C95 Ruy Lopez, Closed, Breyer |
| 65. Larsen vs R Dos Santos |
 | 0-1 | 32 | 2008 | Magistral Internacional Ruibal | A00 Uncommon Opening |
| 66. R Dos Santos vs S Mareco |
| ½-½ | 19 | 2008 | Magistral Internacional Ruibal | C53 Giuoco Piano |
| 67. D Valerga vs R Dos Santos |
| ½-½ | 36 | 2008 | Magistral Internacional Ruibal | B04 Alekhine's Defense, Modern |
| 68. C Garcia Palermo vs R Dos Santos |
| ½-½ | 42 | 2008 | Magistral Internacional Ruibal | A00 Uncommon Opening |
| 69. R Dos Santos vs G Mahia |
| 1-0 | 29 | 2008 | Magistral Internacional Ruibal | C18 French, Winawer |
| 70. D Lemos vs R Dos Santos |
| 1-0 | 36 | 2008 | Magistral Internacional Ruibal | A52 Budapest Gambit |
| 71. R Dos Santos vs D Contin |
| 1-0 | 56 | 2008 | Magistral Internacional Ruibal | C18 French, Winawer |
| 72. L Liascovich vs R Dos Santos |
| ½-½ | 81 | 2008 | Magistral Internacional Ruibal | D23 Queen's Gambit Accepted |
| 73. R Dos Santos vs A Rodriguez Vila |
| 0-1 | 50 | 2008 | Magistral Internacional Ruibal | C78 Ruy Lopez |
| 74. R Leitao vs R Dos Santos |
| 1-0 | 30 | 2009 | Continental Absolute Champions | D27 Queen's Gambit Accepted, Classical |
| 75. R Dos Santos vs F Quiroga |
| 1-0 | 49 | 2010 | Buenos Aires Benko Memorial | B22 Sicilian, Alapin |
Kibitzing
