| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Leitao vs T Nedev |
| ½-½ | 37 |
2000 |
34th Olympiad | B33 Sicilian |
| 2. Leitao vs I A Nataf |
| 1-0 | 60 |
2000 |
FIDE World Ch | B32 Sicilian |
| 3. Leitao vs I Stohl |
| 1-0 | 30 |
2000 |
34th Olympiad | B84 Sicilian, Scheveningen |
| 4. Leitao vs Lautier |
| ½-½ | 23 |
2000 |
FIDE World Ch | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 5. Leitao vs V Milov |
| ½-½ | 22 |
2000 |
Najdorf mem 11th | B42 Sicilian, Kan |
| 6. Leitao vs J Rowson |
| ½-½ | 17 |
2000 |
34th Olympiad | B92 Sicilian, Najdorf, Opocensky Variation |
| 7. Leitao vs D Mieles Palau |
| 1-0 | 25 |
2001 |
I American Continental | B31 Sicilian, Rossolimo Variation |
| 8. Leitao vs I Morovic |
| ½-½ | 29 |
2001 |
Karpov It | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 9. Leitao vs Kiril Georgiev |
| ½-½ | 41 |
2001 |
Karpov It | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 10. Leitao vs J Ricaurte-Lopez |
| 1-0 | 34 |
2001 |
I American Continental | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 11. Leitao vs A Zapata |
| ½-½ | 66 |
2001 |
I American Continental | B40 Sicilian |
| 12. Leitao vs Ulf Andersson |
| ½-½ | 16 |
2002 |
Pamplona ESP | B46 Sicilian, Taimanov Variation |
| 13. Leitao vs Fressinet |
| ½-½ | 22 |
2002 |
Pamplona ESP | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 14. Leitao vs Sadvakasov |
| ½-½ | 63 |
2002 |
Bled Olympiad | B90 Sicilian, Najdorf |
| 15. Leitao vs Ljubojevic |
| 0-1 | 58 |
2002 |
Bled Olympiad | B90 Sicilian, Najdorf |
| 16. Leitao vs L Valenzuela Fuentealba |
 | 0-1 | 43 |
2004 |
Copa ENTEL | B92 Sicilian, Najdorf, Opocensky Variation |
| 17. Leitao vs Kharlov |
| ½-½ | 27 |
2004 |
FIDE World Championship Knockout Tournament | B54 Sicilian |
| 18. Leitao vs L Kritz |
 | ½-½ | 33 |
2004 |
FIDE World Championship Knockout Tournament | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 19. Leitao vs Panno |
| 1-0 | 26 |
2004 |
Copa ENTEL | B86 Sicilian, Fischer-Sozin Attack |
| 20. Leitao vs R Vasquez |
| 1-0 | 63 |
2004 |
Copa ENTEL | B85 Sicilian, Scheveningen, Classical |
| 21. Leitao vs R D'Arruda |
| 1-0 | 42 |
2005 |
American Continental Championship | B30 Sicilian |
| 22. Leitao vs P Ricardi |
| 0-1 | 72 |
2005 |
II Copa ENTEL | B40 Sicilian |
| 23. Leitao vs R Felgaer |
 | 1-0 | 33 |
2005 |
II Copa ENTEL | B36 Sicilian, Accelerated Fianchetto |
| 24. Leitao vs J S Neto |
| 1-0 | 26 |
2005 |
American Continental Championship | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 25. Leitao vs Granda-Zuniga |
| 1-0 | 40 |
2005 |
II Copa ENTEL | B90 Sicilian, Najdorf |