| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Canepa vs R Flores-Alvarez |
| 0-1 | 39 |
1938 |
Carrasco | C02 French, Advance |
| 2. J Canepa vs Alekhine |
 | 0-1 | 24 |
1938 |
Montevideo (02) | C02 French, Advance |
| 3. J Canepa vs H Rossetto |
| 0-1 | 60 |
1941 |
Montevideo | C05 French, Tarrasch |
| 4. J Canepa vs J C Balparda |
| 0-1 | 58 |
1941 |
Montevideo | D60 Queen's Gambit Declined, Orthodox Defense |
| 5. J Canepa vs Pilnik |
| 0-1 | 36 |
1942 |
Mar del Plata | D24 Queen's Gambit Accepted |
| 6. J Canepa vs Guimard |
| 0-1 | 37 |
1942 |
Mar del Plata | D34 Queen's Gambit Declined, Tarrasch |
| 7. Graf-Stevenson vs J Canepa |
| 0-1 | 45 |
1942 |
Mar del Plata | E21 Nimzo-Indian, Three Knights |
| 8. J Canepa vs C H Maderna |
| 0-1 | 40 |
1942 |
Mar del Plata | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 9. J Canepa vs Najdorf |
 | 0-1 | 42 |
1942 |
Mar del Plata ;HCL 30 | E67 King's Indian, Fianchetto |
| 10. J Canepa vs Jacobo Bolbochan |
| 0-1 | 44 |
1942 |
Mar del Plata | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 11. J Canepa vs B H Villegas |
| 0-1 | 59 |
1942 |
Mar del Plata | B45 Sicilian, Taimanov |
| 12. J Canepa vs Eliskases |
| 0-1 | 38 |
1951 |
San Rafael | B21 Sicilian, 2.f4 and 2.d4 |
| 13. J Canepa vs W Ader Hausman |
| 0-1 | 34 |
1951 |
San Rafael | A98 Dutch, Ilyin-Genevsky Variation with Qc2 |
| 14. J Canepa vs Averbakh |
 | 0-1 | 41 |
1954 |
URU-URS | A49 King's Indian, Fianchetto without c4 |