| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Y Bruned vs L Tristan |
| 1-0 | 34 |
2001 |
WYB12 | B98 Sicilian, Najdorf |
| 2. A De Dovitiis vs L Tristan |
| 1-0 | 20 |
2004 |
79th Argentine Championship | A46 Queen's Pawn Game |
| 3. L Tristan vs J Soares |
| 1-0 | 41 |
2005 |
American Continental | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 4. L Tristan vs G Echeguren |
| 1-0 | 50 |
2005 |
American Continental | C92 Ruy Lopez, Closed |
| 5. D Flores vs L Tristan |
| 1-0 | 50 |
2005 |
American Continental Championship | A38 English, Symmetrical |
| 6. M Labollita vs L Tristan |
| 1-0 | 39 |
2005 |
American Continental | A41 Queen's Pawn Game (with ...d6) |
| 7. D Lima vs L Tristan |
| 1-0 | 27 |
2005 |
American Continental Championship | B00 Uncommon King's Pawn Opening |
| 8. L Tristan vs L Milman |
| 1-0 | 30 |
2005 |
American Continental Championship | B96 Sicilian, Najdorf |
| 9. P Ricardi vs L Tristan |
| 1-0 | 61 |
2005 |
American Continental Championship | B08 Pirc, Classical |
| 10. L Tristan vs S Granara Barreto |
| 1-0 | 35 |
2007 |
Necochea Tournaments | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 11. L Tristan vs J F Cubas |
| 1-0 | 41 |
2007 |
Necochea Tournaments | A40 Queen's Pawn Game |
| 12. J F Cubas vs L Tristan |
| 1-0 | 34 |
2007 |
Necochea Tournaments | B33 Sicilian |
| 13. L Tristan vs M Zuriel |
| 1-0 | 35 |
2007 |
Necochea Tournaments | C42 Petrov Defense |
| 14. T Gibson vs L Tristan |
| 1-0 | 34 |
2008 |
Villa Martelli | A41 Queen's Pawn Game (with ...d6) |
| 15. L Krysa vs L Tristan |
| 1-0 | 36 |
2008 |
Villa Martelli | A10 English |
| 16. L Tristan vs C Bulcourf |
| 1-0 | 34 |
2008 |
Villa Martelli | B03 Alekhine's Defense |
| 17. L Tristan vs S Arenas |
| 1-0 | 72 |
2008 |
Villa Martelli | B00 Uncommon King's Pawn Opening |
| 18. R Vasquez vs L Tristan |
| 1-0 | 45 |
2008 |
Villa Martelli | A87 Dutch, Leningrad, Main Variation |
| 19. L Tristan vs W Madeira |
| 1-0 | 34 |
2008 |
Villa Martelli | B25 Sicilian, Closed |
| 20. L Tristan vs R Jumabayev |
 | 1-0 | 35 |
2009 |
48th World Junior Championship | B96 Sicilian, Najdorf |
| 21. L Tristan vs B Ferrufino |
| 1-0 | 37 |
2009 |
Olympiad Mercosur | B25 Sicilian, Closed |
| 22. J Garnelis vs L Tristan |
| 1-0 | 39 |
2009 |
48th World Junior Championship | B08 Pirc, Classical |
| 23. L Tristan vs R Vazquez Reyes |
| 1-0 | 53 |
2009 |
Pan-American Junior Championship | A45 Queen's Pawn Game |
| 24. S Brunello vs L Tristan |
| 1-0 | 36 |
2009 |
48th World Junior Championship | E06 Catalan, Closed, 5.Nf3 |
| 25. L Tristan vs D Pulvett |
| 1-0 | 29 |
2009 |
Pan-American Junior Championship | A45 Queen's Pawn Game |
