| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Berkvens vs O Zambrana |
| ½-½ | 49 |
2001 |
WJun | E44 Nimzo-Indian, Fischer Variation, 5.Ne2 |
| 2. C Ustariz vs O Zambrana |
| 0-1 | 21 |
2003 |
Torneo Continental Americano | E38 Nimzo-Indian, Classical, 4...c5 |
| 3. K Mafra vs O Zambrana |
| 0-1 | 25 |
2003 |
7th Itau Cup | E26 Nimzo-Indian, Samisch |
| 4. Ponomariov vs O Zambrana |
| 1-0 | 29 |
2004 |
Pedro Zabala mem | E38 Nimzo-Indian, Classical, 4...c5 |
| 5. Granda-Zuniga vs O Zambrana |
| ½-½ | 24 |
2004 |
Copa ENTEL | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 6. G Milos vs O Zambrana |
| ½-½ | 29 |
2008 |
Euwe Simultan | E54 Nimzo-Indian, 4.e3, Gligoric System |