| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Leko vs Leitao |
| ½-½ | 28 |
1991 |
Wch U12 | B90 Sicilian, Najdorf |
| 2. Leitao vs Kasimdzhanov |
| ½-½ | 32 |
1995 |
Wch U16 | E39 Nimzo-Indian, Classical, Pirc Variation |
| 3. Leitao vs V Malakhov |
| ½-½ | 75 |
1996 |
Wch U18 | D45 Queen's Gambit Declined Semi-Slav |
| 4. Leitao vs Yurtaev |
| ½-½ | 79 |
1996 |
32nd ol Yerevan Armenia | E90 King's Indian |
| 5. Baburin vs Leitao |
| ½-½ | 58 |
1996 |
32nd ol Yerevan Armenia | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 6. Leitao vs A Yegiazarian |
| ½-½ | 31 |
1996 |
Yerevan ol (Men) | E39 Nimzo-Indian, Classical, Pirc Variation |
| 7. Leitao vs H Urday |
 | ½-½ | 49 |
1997 |
Schahin Cury | E32 Nimzo-Indian, Classical |
| 8. Leitao vs W Rocha |
| ½-½ | 28 |
1997 |
Jogos Abertos do Interior | A67 Benoni, Taimanov Variation |
| 9. E Limp vs Leitao |
| ½-½ | 52 |
1998 |
Sao Paulo zt | A04 Reti Opening |
| 10. W Borges vs Leitao |
| ½-½ | 35 |
1998 |
65th Brazilian Championships | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 11. Leitao vs G Vescovi |
| ½-½ | 10 |
1998 |
Brazilian Championships Final | A40 Queen's Pawn Game |
| 12. G Vescovi vs Leitao |
| ½-½ | 11 |
1998 |
Sao Paulo zt | A06 Reti Opening |
| 13. G Vescovi vs Leitao |
| ½-½ | 82 |
1998 |
Brazilian Championships Final | B92 Sicilian, Najdorf, Opocensky Variation |
| 14. Leitao vs E Matsuura |
| ½-½ | 40 |
1998 |
65th Brazilian Championships | D20 Queen's Gambit Accepted |
| 15. Leitao vs G Milos |
| ½-½ | 10 |
1998 |
Sao Paulo zt | A30 English, Symmetrical |
| 16. Leitao vs G Vescovi |
| ½-½ | 11 |
1998 |
Brazilian Championships Final | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 17. E Matsuura vs Leitao |
| ½-½ | 43 |
1998 |
65th Brazilian Championships | E25 Nimzo-Indian, Samisch |
| 18. Nisipeanu vs Leitao |
| ½-½ | 49 |
1999 |
Ch World FIDE, Las Vegas (USA) | B92 Sicilian, Najdorf, Opocensky Variation |
| 19. Leitao vs C Bauer |
| ½-½ | 61 |
1999 |
Hoogovens B Tournament | D20 Queen's Gambit Accepted |
| 20. M Brodsky vs Leitao |
| ½-½ | 18 |
1999 |
Hoogovens-B | B03 Alekhine's Defense |
| 21. Leitao vs R Janssen |
| ½-½ | 117 |
1999 |
Hoogovens B | E39 Nimzo-Indian, Classical, Pirc Variation |
| 22. Leitao vs Nisipeanu |
| ½-½ | 23 |
1999 |
Ch World FIDE, Las Vegas (USA) | E14 Queen's Indian |
| 23. Van der Wiel vs Leitao |
 | ½-½ | 47 |
1999 |
Hoogovens B Tournament | B86 Sicilian, Fischer-Sozin Attack |
| 24. Macieja vs Leitao |
| ½-½ | 46 |
1999 |
Ch World FIDE, Las Vegas (USA) | B23 Sicilian, Closed |
| 25. Leitao vs Lputian |
| ½-½ | 41 |
1999 |
Hoogovens B Tournament | D31 Queen's Gambit Declined |