| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. A Olivera vs J Canepa |
| 1-0 | 63 |
1941 |
Montevideo | A35 English, Symmetrical |
| 27. J Canepa vs Guimard |
| 0-1 | 37 |
1942 |
Mar del Plata | D34 Queen's Gambit Declined, Tarrasch |
| 28. Graf-Stevenson vs J Canepa |
| 0-1 | 45 |
1942 |
Mar del Plata | E21 Nimzo-Indian, Three Knights |
| 29. J Canepa vs Espina Carlos |
| ½-½ | 58 |
1942 |
Mar del Plata | A49 King's Indian, Fianchetto without c4 |
| 30. C Corte vs J Canepa |
| 1-0 | 45 |
1942 |
Mar del Plata | B63 Sicilian, Richter-Rauzer Attack |
| 31. J Canepa vs C H Maderna |
| 0-1 | 40 |
1942 |
Mar del Plata | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 32. H Rossetto vs J Canepa |
| 1-0 | 22 |
1942 |
Mar del Plata | A02 Bird's Opening |
| 33. P Michel vs J Canepa |
 | 1-0 | 43 |
1942 |
Mar del Plata | B72 Sicilian, Dragon |
| 34. J Canepa vs B H Villegas |
| 0-1 | 59 |
1942 |
Mar del Plata | B45 Sicilian, Taimanov |
| 35. Stahlberg vs J Canepa |
| 1-0 | 19 |
1942 |
Mar del Plata | E40 Nimzo-Indian, 4.e3 |
| 36. J Canepa vs M Czerniak |
 | 1-0 | 24 |
1942 |
Mar del Plata | D45 Queen's Gambit Declined Semi-Slav |
| 37. V Fenoglio vs J Canepa |
| ½-½ | 51 |
1942 |
Mar del Plata | A46 Queen's Pawn Game |
| 38. J Canepa vs Najdorf |
 | 0-1 | 42 |
1942 |
Mar del Plata ;HCL 30 | E67 King's Indian, Fianchetto |
| 39. M Luckis vs J Canepa |
| 1-0 | 46 |
1942 |
Mar del Plata | E33 Nimzo-Indian, Classical |
| 40. J Canepa vs Jacobo Bolbochan |
| 0-1 | 44 |
1942 |
Mar del Plata | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 41. J Canepa vs Pilnik |
| 0-1 | 36 |
1942 |
Mar del Plata | D24 Queen's Gambit Accepted |
| 42. J Traian Iliesco vs J Canepa |
| ½-½ | 25 |
1942 |
Mar del Plata | A04 Reti Opening |
| 43. M A Muniz Fo vs J Canepa |
| ½-½ | 40 |
1951 |
San Rafael | A15 English |
| 44. J Canepa vs Letelier |
| 1-0 | 40 |
1951 |
San Rafael | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 45. W Estrada Degrandi vs J Canepa |
| ½-½ | 22 |
1951 |
San Rafael | D37 Queen's Gambit Declined |
| 46. L Roux Cabral vs J Canepa |
| ½-½ | 24 |
1951 |
San Rafael | D02 Queen's Pawn Game |
| 47. J Canepa vs Eliskases |
| 0-1 | 38 |
1951 |
San Rafael | B21 Sicilian, 2.f4 and 2.d4 |
| 48. J Canepa vs R Linskens |
| ½-½ | 30 |
1951 |
San Rafael | A49 King's Indian, Fianchetto without c4 |
| 49. E German vs J Canepa |
| 1-0 | 50 |
1951 |
San Rafael | A39 English, Symmetrical, Main line with d4 |
| 50. J Canepa vs R Toran Albero |
| ½-½ | 32 |
1951 |
San Rafael | A49 King's Indian, Fianchetto without c4 |