| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. Alekhine vs J M Fuentes |
 | 1-0 | 28 | 1945 | Melilla | C51 Evans Gambit |
| 27. G Puiggros vs J M Fuentes |
| ½-½ | 24 | 1946 | ARG-ESP radio m | C50 Giuoco Piano |
| 28. A Pomar vs J M Fuentes |
| ½-½ | 25 | 1947 | Aviles | B33 Sicilian |
| 29. J M Fuentes vs A Espolita |
| 1-0 | 17 | 1947 | Aviles | A45 Queen's Pawn Game |
| 30. F J Perez vs J M Fuentes |
| 1-0 | 23 | 1947 | Aviles | A34 English, Symmetrical |
| 31. J M Fuentes vs A Rico Gonzalez |
| ½-½ | 19 | 1947 | Aviles | A04 Reti Opening |
| 32. L Arias Menendez vs J M Fuentes |
| 0-1 | 42 | 1947 | Aviles | A40 Queen's Pawn Game |
| 33. J M Fuentes vs R Toran |
| ½-½ | 48 | 1947 | Aviles | A15 English |
| 34. J Fernandez Pereda vs J M Fuentes |
| 0-1 | 36 | 1947 | Aviles | A47 Queen's Indian |
| 35. J M Fuentes vs A Alvarez Suarez |
| 1-0 | 32 | 1947 | Aviles | D00 Queen's Pawn Game |
| 36. L Prins vs J M Fuentes |
| 1-0 | 31 | 1947 | Aviles | B45 Sicilian, Taimanov |
| 37. J M Fuentes vs A Medina Garcia |
| ½-½ | 42 | 1947 | Aviles | C68 Ruy Lopez, Exchange |
| 38. R Shocron vs J M Fuentes |
| 1-0 | 38 | 1948 | ARG-ESP radio m | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 39. A Alvarez Suarez vs J M Fuentes |
| 0-1 | 56 | 1948 | Aviles 2nd | A47 Queen's Indian |
| 40. J M Fuentes vs O'Kelly |
| 0-1 | 30 | 1949 | Gijon | B28 Sicilian, O'Kelly Variation |
| 41. J M Fuentes vs J Sanz Aguado |
| 1-0 | 39 | 1949 | Gijon | A04 Reti Opening |
| 42. A Medina Garcia vs J M Fuentes |
| 1-0 | 45 | 1949 | Gijon | C78 Ruy Lopez |
| 43. J M Fuentes vs J Llado Lumbera |
| 1-0 | 60 | 1951 | Madrid | E90 King's Indian |
| 44. Pilnik vs J M Fuentes |
| 1-0 | 14 | 1951 | Madrid | B18 Caro-Kann, Classical |
| 45. J M Fuentes vs J Sanz Aguado |
| ½-½ | 26 | 1951 | Madrid | A94 Dutch, Stonewall with Ba3 |
| 46. R Toran vs J M Fuentes |
| 1-0 | 64 | 1951 | Madrid | B28 Sicilian, O'Kelly Variation |
| 47. J M Fuentes vs A Pomar |
| 1-0 | 38 | 1951 | Madrid | A04 Reti Opening |
| 48. F J Perez vs J M Fuentes |
| 0-1 | 62 | 1951 | Madrid | E27 Nimzo-Indian, Samisch Variation |
| 49. J M Fuentes vs A Giustolisi |
 | 0-1 | 24 | 1951 | Madrid | E90 King's Indian |
| 50. Torrens vs J M Fuentes |
| 0-1 | 50 | 1951 | Madrid | B28 Sicilian, O'Kelly Variation |
Kibitzing
