| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. G Needleman vs H Hernandez |
 | 1-0 | 32 |
2003 |
Torneo Continental Americano | A49 King's Indian, Fianchetto without c4 |
| 2. G Needleman vs R Costa |
 | 1-0 | 30 |
2003 |
Torneo Continental Americano | D02 Queen's Pawn Game |
| 3. G Needleman vs M Ripari |
 | 1-0 | 46 |
2003 |
Torneo Continental Americano | B32 Sicilian |
| 4. G Needleman vs R Cristobal |
 | 1-0 | 55 |
2004 |
79th Argentine Championship | C90 Ruy Lopez, Closed |
| 5. R Maiques vs G Needleman |
| 0-1 | 43 |
2004 |
79th Argentine Championship | A57 Benko Gambit |
| 6. F Incicco vs G Needleman |
| 0-1 | 51 |
2004 |
79th Argentine Championship | A58 Benko Gambit |
| 7. Karpov vs G Needleman |
 | 0-1 | 96 |
2005 |
Simul | E62 King's Indian, Fianchetto |
| 8. G Needleman vs Y Quezada |
| 1-0 | 65 |
2005 |
American Continental Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 9. D Valerga vs G Needleman |
| 0-1 | 57 |
2005 |
Argentinean Championship | A26 English |
| 10. G Needleman vs A Sorin |
 | 1-0 | 45 |
2005 |
American Continental Championship | C50 Giuoco Piano |
| 11. G Needleman vs S Alonso |
 | 1-0 | 29 |
2005 |
Argentinean Championship | B34 Sicilian, Accelerated Fianchetto |
| 12. G Soppe vs G Needleman |
| 0-1 | 52 |
2005 |
American Continental Championship | B26 Sicilian, Closed, 6.Be3 |
| 13. L Perdomo vs G Needleman |
 | 0-1 | 83 |
2005 |
Argentinean Championship | A56 Benoni Defense |
| 14. G Needleman vs A Bachmann |
| 1-0 | 43 |
2005 |
American Continental Championship | B00 Uncommon King's Pawn Opening |
| 15. Shabalov vs G Needleman |
 | 0-1 | 42 |
2005 |
American Continental Championship | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 16. G Needleman vs R Hungaski |
| 1-0 | 36 |
2006 |
Copa Mercosur | C77 Ruy Lopez |
| 17. G Needleman vs R Garnier |
| 1-0 | 32 |
2007 |
III South American Ch U20 | B01 Scandinavian |
| 18. G Needleman vs J Cori |
| 1-0 | 32 |
2007 |
III South American Ch U20 | C64 Ruy Lopez, Classical |
| 19. G Needleman vs A Ambrogi |
| 1-0 | 42 |
2007 |
III South American Ch U20 | D52 Queen's Gambit Declined |
| 20. M Latorre vs G Needleman |
| 0-1 | 30 |
2007 |
III South American Ch U20 | B47 Sicilian, Taimanov (Bastrikov) Variation |