| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. G Needleman vs R Costa |
 | 1-0 | 30 |
2003 |
Torneo Continental Americano | D02 Queen's Pawn Game |
| 2. G Needleman vs M Ripari |
 | 1-0 | 46 |
2003 |
Torneo Continental Americano | B32 Sicilian |
| 3. G Needleman vs H Hernandez |
 | 1-0 | 32 |
2003 |
Torneo Continental Americano | A49 King's Indian, Fianchetto without c4 |
| 4. B Lugo vs G Needleman |
 | 1-0 | 35 |
2003 |
Torneo Continental Americano | B30 Sicilian |
| 5. G Needleman vs R Cristobal |
 | 1-0 | 55 |
2004 |
79th Argentine Championship | C90 Ruy Lopez, Closed |
| 6. G Needleman vs Y Quezada |
| 1-0 | 65 |
2005 |
American Continental Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 7. G Needleman vs A Sorin |
 | 1-0 | 45 |
2005 |
American Continental Championship | C50 Giuoco Piano |
| 8. G Needleman vs A Bachmann |
| 1-0 | 43 |
2005 |
American Continental Championship | B00 Uncommon King's Pawn Opening |
| 9. Grischuk vs G Needleman |
 | 1-0 | 30 |
2005 |
FIDE World Cup | B48 Sicilian, Taimanov Variation |
| 10. P Lafuente vs G Needleman |
| 1-0 | 64 |
2005 |
American Continental Championship | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
| 11. G Needleman vs S Alonso |
 | 1-0 | 29 |
2005 |
Argentinean Championship | B34 Sicilian, Accelerated Fianchetto |
| 12. G Needleman vs R Hungaski |
| 1-0 | 36 |
2006 |
Copa Mercosur | C77 Ruy Lopez |
| 13. ZAP! Chess vs G Needleman |
| 1-0 | 31 |
2006 |
Copa Mercosur | C41 Philidor Defense |
| 14. G Needleman vs R Garnier |
| 1-0 | 32 |
2007 |
III South American Ch U20 | B01 Scandinavian |
| 15. E Cordova vs G Needleman |
 | 1-0 | 44 |
2007 |
III South American Ch U20 | A43 Old Benoni |
| 16. G Needleman vs J Cori |
| 1-0 | 32 |
2007 |
III South American Ch U20 | C64 Ruy Lopez, Classical |
| 17. S Mareco vs G Needleman |
| 1-0 | 51 |
2007 |
III South American Ch U20 | A70 Benoni, Classical with 7.Nf3 |
| 18. C Goldwaser vs G Needleman |
| 1-0 | 36 |
2007 |
III South American Ch U20 | E91 King's Indian |
| 19. G Needleman vs A Ambrogi |
| 1-0 | 42 |
2007 |
III South American Ch U20 | D52 Queen's Gambit Declined |