| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Canepa vs R Flores-Alvarez |
| 0-1 | 39 |
1938 |
Carrasco | C02 French, Advance |
| 2. C H Maderna vs J Canepa |
| 1-0 | 44 |
1938 |
Carrasco | D67 Queen's Gambit Declined, Orthodox Defense, Bd3 line |
| 3. E Rotunno vs J Canepa |
| 1-0 | 31 |
1938 |
Carrasco | A46 Queen's Pawn Game |
| 4. V Fenoglio vs J Canepa |
| 1-0 | 34 |
1938 |
Carrasco | E11 Bogo-Indian Defense |
| 5. A Olivera vs J Canepa |
| 1-0 | 28 |
1938 |
Carrasco | E15 Queen's Indian |
| 6. W Cruz vs J Canepa |
| 1-0 | 36 |
1938 |
Carrasco | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 7. J Canepa vs Alekhine |
 | 0-1 | 24 |
1938 |
Montevideo (02) | C02 French, Advance |
| 8. L Engels vs J Canepa |
| 1-0 | 65 |
1941 |
Montevideo | B73 Sicilian, Dragon, Classical |
| 9. A Olivera vs J Canepa |
| 1-0 | 63 |
1941 |
Montevideo | A35 English, Symmetrical |
| 10. J Canepa vs H Rossetto |
| 0-1 | 60 |
1941 |
Montevideo | C05 French, Tarrasch |
| 11. J Canepa vs J C Balparda |
| 0-1 | 58 |
1941 |
Montevideo | D60 Queen's Gambit Declined, Orthodox Defense |
| 12. Eliskases vs J Canepa |
| 1-0 | 41 |
1941 |
Montevideo | A35 English, Symmetrical |
| 13. J Canepa vs Guimard |
| 0-1 | 37 |
1942 |
Mar del Plata | D34 Queen's Gambit Declined, Tarrasch |
| 14. Stahlberg vs J Canepa |
| 1-0 | 19 |
1942 |
Mar del Plata | E40 Nimzo-Indian, 4.e3 |
| 15. J Canepa vs C H Maderna |
| 0-1 | 40 |
1942 |
Mar del Plata | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 16. M Luckis vs J Canepa |
| 1-0 | 46 |
1942 |
Mar del Plata | E33 Nimzo-Indian, Classical |
| 17. J Canepa vs Najdorf |
 | 0-1 | 42 |
1942 |
Mar del Plata ;HCL 30 | E67 King's Indian, Fianchetto |
| 18. C Corte vs J Canepa |
| 1-0 | 45 |
1942 |
Mar del Plata | B63 Sicilian, Richter-Rauzer Attack |
| 19. J Canepa vs B H Villegas |
| 0-1 | 59 |
1942 |
Mar del Plata | B45 Sicilian, Taimanov |
| 20. P Michel vs J Canepa |
 | 1-0 | 43 |
1942 |
Mar del Plata | B72 Sicilian, Dragon |
| 21. J Canepa vs Jacobo Bolbochan |
| 0-1 | 44 |
1942 |
Mar del Plata | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 22. J Canepa vs Pilnik |
| 0-1 | 36 |
1942 |
Mar del Plata | D24 Queen's Gambit Accepted |
| 23. H Rossetto vs J Canepa |
| 1-0 | 22 |
1942 |
Mar del Plata | A02 Bird's Opening |
| 24. L Bauza vs J Canepa |
| 1-0 | 46 |
1951 |
San Rafael | D37 Queen's Gambit Declined |
| 25. J Canepa vs Eliskases |
| 0-1 | 38 |
1951 |
San Rafael | B21 Sicilian, 2.f4 and 2.d4 |