| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. G Needleman vs A Diamant |
 | 0-1 | 52 |
2001 |
Guaymallen PanAM-chJ U12 Absoluto | B32 Sicilian |
| 2. G Needleman vs R Huertas Soris |
| ½-½ | 38 |
2003 |
Torneo Continental Americano | B00 Uncommon King's Pawn Opening |
| 3. G Needleman vs R Costa |
 | 1-0 | 30 |
2003 |
Torneo Continental Americano | D02 Queen's Pawn Game |
| 4. B Lugo vs G Needleman |
 | 1-0 | 35 |
2003 |
Torneo Continental Americano | B30 Sicilian |
| 5. S Arambel vs G Needleman |
 | ½-½ | 54 |
2003 |
Torneo Continental Americano | A20 English |
| 6. G Needleman vs M Ripari |
 | 1-0 | 46 |
2003 |
Torneo Continental Americano | B32 Sicilian |
| 7. F Restuccia vs G Needleman |
| ½-½ | 19 |
2003 |
II American Continental | B21 Sicilian, 2.f4 and 2.d4 |
| 8. G Needleman vs H Hernandez |
 | 1-0 | 32 |
2003 |
Torneo Continental Americano | A49 King's Indian, Fianchetto without c4 |
| 9. G Needleman vs M Villanueva |
| ½-½ | 65 |
2004 |
Campeonato Superior | B70 Sicilian, Dragon Variation |
| 10. M Semprevivo vs G Needleman |
| ½-½ | 46 |
2004 |
79th Argentine Championship | B44 Sicilian |
| 11. G Needleman vs R Cristobal |
 | 1-0 | 55 |
2004 |
79th Argentine Championship | C90 Ruy Lopez, Closed |
| 12. G Needleman vs G Malbran |
 | 0-1 | 41 |
2004 |
79th Argentine Championship | B05 Alekhine's Defense, Modern |
| 13. J A Rubinetti vs G Needleman |
| ½-½ | 65 |
2004 |
79th Argentine Championship | A48 King's Indian |
| 14. G Needleman vs Julia Ernesto |
| 0-1 | 54 |
2004 |
79th Argentine Championship | B84 Sicilian, Scheveningen |
| 15. R Maiques vs G Needleman |
| 0-1 | 43 |
2004 |
79th Argentine Championship | A57 Benko Gambit |
| 16. F Incicco vs G Needleman |
| 0-1 | 51 |
2004 |
79th Argentine Championship | A58 Benko Gambit |
| 17. G Needleman vs Grischuk |
 | 0-1 | 79 |
2005 |
FIDE World Cup | C53 Giuoco Piano |
| 18. G Needleman vs A Sorin |
 | 1-0 | 45 |
2005 |
American Continental Championship | C50 Giuoco Piano |
| 19. P Lafuente vs G Needleman |
| ½-½ | 83 |
2005 |
Argentinean Championship | E62 King's Indian, Fianchetto |
| 20. G Needleman vs D Lima |
| ½-½ | 11 |
2005 |
American Continental Championship | B04 Alekhine's Defense, Modern |
| 21. G Needleman vs J Pierrot |
| 0-1 | 43 |
2005 |
Argentinean Championship | B08 Pirc, Classical |
| 22. Karpov vs G Needleman |
 | 0-1 | 96 |
2005 |
Simul | E62 King's Indian, Fianchetto |
| 23. G Soppe vs G Needleman |
| 0-1 | 52 |
2005 |
American Continental Championship | B26 Sicilian, Closed, 6.Be3 |
| 24. G Needleman vs S Alonso |
 | 1-0 | 29 |
2005 |
Argentinean Championship | B34 Sicilian, Accelerated Fianchetto |
| 25. Kamsky vs G Needleman |
 | ½-½ | 44 |
2005 |
American Continental Championship | B47 Sicilian, Taimanov (Bastrikov) Variation |