| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Leko vs Leitao |
| ½-½ | 28 |
1991 |
? | B90 Sicilian, Najdorf |
| 2. Shaked vs Leitao |
| 0-1 | 42 |
1992 |
WchJM U14 Duisburg | B96 Sicilian, Najdorf |
| 3. Sadvakasov vs Leitao |
| 0-1 | 51 |
1993 |
Wch U14 | B23 Sicilian, Closed |
| 4. Movsesian vs Leitao |
| 1-0 | 28 |
1994 |
Wch U16 | B50 Sicilian |
| 5. Judit Polgar vs Leitao |
| 1-0 | 61 |
1996 |
Match (active) | B48 Sicilian, Taimanov Variation |
| 6. J Bassani vs Leitao |
| 0-1 | 40 |
1996 |
Americana op | B92 Sicilian, Najdorf, Opocensky Variation |
| 7. J Rohl vs Leitao |
 | 0-1 | 31 |
1998 |
Pan American | B92 Sicilian, Najdorf, Opocensky Variation |
| 8. W Borges vs Leitao |
| ½-½ | 35 |
1998 |
65th Brazilian Championships | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 9. G Batista vs Leitao |
| 0-1 | 49 |
1998 |
65th Brazilian Championships | B53 Sicilian |
| 10. G Vescovi vs Leitao |
| ½-½ | 82 |
1998 |
Brazilian Championships Final | B92 Sicilian, Najdorf, Opocensky Variation |
| 11. Van der Wiel vs Leitao |
 | ½-½ | 47 |
1999 |
Hoogovens B Tournament | B86 Sicilian, Fischer-Sozin Attack |
| 12. Glek vs Leitao |
| ½-½ | 73 |
1999 |
Hoogovens B | B50 Sicilian |
| 13. Nisipeanu vs Leitao |
| 1-0 | 48 |
1999 |
Ch World FIDE (play-off), Las Vegas (USA) | B92 Sicilian, Najdorf, Opocensky Variation |
| 14. Van Den Doel vs Leitao |
| 0-1 | 45 |
1999 |
Hoogovens B | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 15. Nisipeanu vs Leitao |
| ½-½ | 49 |
1999 |
Ch World FIDE, Las Vegas (USA) | B92 Sicilian, Najdorf, Opocensky Variation |
| 16. J Bosch vs Leitao |
| 0-1 | 42 |
1999 |
Hoogovens B | B92 Sicilian, Najdorf, Opocensky Variation |
| 17. Macieja vs Leitao |
| ½-½ | 46 |
1999 |
Ch World FIDE, Las Vegas (USA) | B23 Sicilian, Closed |
| 18. Kotronias vs Leitao |
| ½-½ | 43 |
2000 |
34th Olympiad | B96 Sicilian, Najdorf |
| 19. Bologan vs Leitao |
| ½-½ | 55 |
2000 |
Najdorf mem 11th | B90 Sicilian, Najdorf |
| 20. G Vescovi vs Leitao |
| 0-1 | 28 |
2000 |
IV Itau Cup | B90 Sicilian, Najdorf |
| 21. Judit Polgar vs Leitao |
 | 1-0 | 41 |
2000 |
Najdorf mem 11th | B90 Sicilian, Najdorf |
| 22. Short vs Leitao |
| ½-½ | 49 |
2000 |
34th Olympiad | B92 Sicilian, Najdorf, Opocensky Variation |
| 23. I A Nataf vs Leitao |
| ½-½ | 27 |
2000 |
FIDE World Ch | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 24. D Svetushkin vs Leitao |
| 0-1 | 29 |
2000 |
34th Olympiad | B90 Sicilian, Najdorf |
| 25. J Benjamin vs Leitao |
| ½-½ | 16 |
2000 |
FIDE World Ch | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |