| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. F Casas vs L Piazzini |
| 1-0 | 17 | 1950 | ARG-ch | D34 Queen's Gambit Declined, Tarrasch |
| 2. F Casas vs E Dodero |
| ½-½ | 36 | 1951 | Buenos Aires FADA Mayor | C02 French, Advance |
| 3. F Casas vs F Benko |
| ½-½ | 35 | 1951 | Buenos Aires FADA Mayor | E60 King's Indian Defense |
| 4. F Casas vs A Foguelman |
 | 1-0 | 28 | 1951 | Buenos Aires FADA Mayor | E32 Nimzo-Indian, Classical |
| 5. L Colman Lerner vs F Casas |
| 0-1 | 41 | 1951 | Buenos Aires FADA Mayor+ | B53 Sicilian |
| 6. F Casas vs C Rebizzo |
| 1-0 | 46 | 1951 | Buenos Aires FADA Mayor | D16 Queen's Gambit Declined Slav |
| 7. F Casas vs G Puiggros |
| ½-½ | 64 | 1951 | Buenos Aires FADA Mayor | D04 Queen's Pawn Game |
| 8. M Luckis vs F Casas |
| ½-½ | 24 | 1951 | Buenos Aires FADA Mayor | D02 Queen's Pawn Game |
| 9. L Chemes vs F Casas |
| 0-1 | 34 | 1951 | Buenos Aires FADA Mayor | D37 Queen's Gambit Declined |
| 10. H Huguet vs F Casas |
| ½-½ | 50 | 1951 | Buenos Aires FADA Mayor | E26 Nimzo-Indian, Samisch |
| 11. F Casas vs O Garibaldi |
| 0-1 | 54 | 1951 | Buenos Aires FADA Mayor | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 12. C F Juarez vs F Casas |
| 1-0 | 35 | 1951 | Buenos Aires FADA Mayor | B21 Sicilian, 2.f4 and 2.d4 |
| 13. R Shocron vs F Casas |
| ½-½ | 22 | 1951 | Buenos Aires FADA Mayor | D15 Queen's Gambit Declined Slav |
| 14. F Casas vs C J Corte |
| 1-0 | 24 | 1951 | Buenos Aires FADA Mayor | E33 Nimzo-Indian, Classical |
| 15. F Casas vs C G Pappier |
| 1-0 | 51 | 1951 | Buenos Aires FADA Mayor | D30 Queen's Gambit Declined |
| 16. A Piro vs F Casas |
| 0-1 | 32 | 1951 | Buenos Aires FADA Mayor | A09 Reti Opening |
| 17. F Casas vs L Piazzini |
| 1-0 | 14 | 1952 | Buenos Aires | D62 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 18. A Foguelman vs F Casas |
| 1-0 | 22 | 1952 | Buenos Aires | D44 Queen's Gambit Declined Semi-Slav |
| 19. F Casas vs Keres |
| 0-1 | 41 | 1957 | Mar del Plata | E41 Nimzo-Indian |
| 20. F Casas vs W Ader Hausman |
| 1-0 | 48 | 1957 | Mar del Plata | D43 Queen's Gambit Declined Semi-Slav |
| 21. R Sanguineti vs F Casas |
| 0-1 | 41 | 1957 | Mar del Plata | A12 English with b3 |
| 22. F Casas vs Lombardy |
| 1-0 | 41 | 1957 | Mar del Plata | E59 Nimzo-Indian, 4.e3, Main line |
| 23. Kotov vs F Casas |
| 1-0 | 33 | 1957 | Mar del Plata | A56 Benoni Defense |
| 24. F Casas vs H Rossetto |
| 0-1 | 33 | 1957 | Mar del Plata | A56 Benoni Defense |
| 25. Panno vs F Casas |
| 1-0 | 42 | 1957 | Mar del Plata | E51 Nimzo-Indian, 4.e3 |
Kibitzing
