| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. E Matsuura vs Leitao |
| ½-½ | 43 |
1998 |
65th Brazilian Championships | E25 Nimzo-Indian, Samisch |
| 2. M J Tempone vs Leitao |
| 1-0 | 39 |
2000 |
Najdorf mem Great fin | E20 Nimzo-Indian |
| 3. Car Sosa vs Leitao |
| 0-1 | 24 |
2000 |
IV Itau Cup | E32 Nimzo-Indian, Classical |
| 4. Lautier vs Leitao |
 | 0-1 | 44 |
2000 |
FIDE World Ch | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| 5. Conquest vs Leitao |
| ½-½ | 32 |
2001 |
Pamplona ESP | E21 Nimzo-Indian, Three Knights |
| 6. D Gurevich vs Leitao |
| ½-½ | 45 |
2001 |
I American Continental | E46 Nimzo-Indian |
| 7. O Castro vs Leitao |
| 0-1 | 38 |
2001 |
I American Continental | E43 Nimzo-Indian, Fischer Variation |
| 8. Radjabov vs Leitao |
| 1-0 | 35 |
2001 |
Pamplona ESP | E43 Nimzo-Indian, Fischer Variation |
| 9. I Santana vs Leitao |
| 0-1 | 19 |
2002 |
Itau Mercosul Cup 6th | E29 Nimzo-Indian, Samisch |
| 10. J Hellsten vs Leitao |
| ½-½ | 21 |
2005 |
II Copa ENTEL | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| 11. V Akobian vs Leitao |
| ½-½ | 47 |
2005 |
American Continental Championship | E32 Nimzo-Indian, Classical |
| 12. J Hellsten vs Leitao |
| ½-½ | 26 |
2006 |
Torre ENTEL PCS | E43 Nimzo-Indian, Fischer Variation |
| 13. Granda-Zuniga vs Leitao |
| 0-1 | 55 |
2006 |
Torre ENTEL PCS | E35 Nimzo-Indian, Classical, Noa Variation, 5.cd ed |
| 14. A Gallardo Garcia vs Leitao |
| 0-1 | 27 |
2006 |
VIII Sants Open | E31 Nimzo-Indian, Leningrad, Main line |
| 15. Jason Goh Koon-Jong vs Leitao |
| 0-1 | 22 |
2006 |
37th Chess Olympiad | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
