| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Panno vs Najdorf |
 | 1-0 | 40 |
1954 |
Mar del Plata | D46 Queen's Gambit Declined Semi-Slav |
| 2. Najdorf vs Panno |
 | 0-1 | 70 |
1955 |
Mar del Plata | A15 English |
| 3. Najdorf vs Panno |
| 0-1 | 41 |
1955 |
Gothenburg Interzonal | B26 Sicilian, Closed, 6.Be3 |
| 4. Najdorf vs Panno |
| 0-1 | 64 |
1957 |
Mar del Plata | E90 King's Indian |
| 5. Najdorf vs Panno |
| 1-0 | 48 |
1957 |
Rio de Janeiro | B10 Caro-Kann |
| 6. Panno vs Najdorf |
| ½-½ | 16 |
1962 |
Mar del Plata | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 7. Najdorf vs Panno |
| 1-0 | 37 |
1963 |
First Piatigorsky Cup | A56 Benoni Defense |
| 8. Panno vs Najdorf |
| ½-½ | 38 |
1963 |
First Piatigorsky Cup | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 9. Panno vs Najdorf |
 | 1-0 | 26 |
1965 |
Buenos Aires | B49 Sicilian, Taimanov Variation |
| 10. Panno vs Najdorf |
| 0-1 | 39 |
1965 |
Mar del Plata | A14 English |
| 11. Panno vs Najdorf |
 | 1-0 | 60 |
1968 |
Buenos Aires sr-jr | E53 Nimzo-Indian, 4.e3 |
| 12. Panno vs Najdorf |
| ½-½ | 29 |
1968 |
Buenos Aires | B32 Sicilian |
| 13. Najdorf vs Panno |
| ½-½ | 29 |
1968 |
Mar del Plata ARG ch | A88 Dutch, Leningrad, Main Variation with c6 |
| 14. Panno vs Najdorf |
| ½-½ | 14 |
1969 |
Palma de Mallorca | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 15. Panno vs Najdorf |
 | 0-1 | 41 |
1969 |
Mar del Plata | E46 Nimzo-Indian |
| 16. Najdorf vs Panno |
| ½-½ | 22 |
1970 |
Buenos Aires | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 17. Najdorf vs Panno |
 | 1-0 | 30 |
1971 |
Mar del Plata | A17 English |
| 18. Panno vs Najdorf |
| ½-½ | 19 |
1975 |
Buenos Aires ARG ch | D19 Queen's Gambit Declined Slav, Dutch |
| 19. Panno vs Najdorf |
| ½-½ | 16 |
1978 |
Wijk aan Zee | A04 Reti Opening |
| 20. Najdorf vs Panno |
| ½-½ | 23 |
1978 |
Buenos Aires ClA | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 21. Najdorf vs Panno |
| ½-½ | 19 |
1979 |
Buenos Aires ClA | A04 Reti Opening |
| 22. Najdorf vs Panno |
| ½-½ | 18 |
1980 |
Buenos Aires | E11 Bogo-Indian Defense |
| 23. Panno vs Najdorf |
| ½-½ | 19 |
1982 |
Mar del Plata | D63 Queen's Gambit Declined, Orthodox Defense |
| 24. Najdorf vs Panno |
| ½-½ | 15 |
1983 |
Buenos Aires | A04 Reti Opening |
| 25. Najdorf vs Panno |
| ½-½ | 17 |
1988 |
Buenos Aires | D35 Queen's Gambit Declined |