| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. P Martin vs Ed Lasker |
| 1-0 | 51 | 1949 | Mar del Plata | D39 Queen's Gambit Declined, Ragozin, Vienna Variation |
| 27. P Michel vs P Martin |
| ½-½ | 34 | 1949 | Mar del Plata | C15 French, Winawer |
| 28. P Martin vs M Czerniak |
| 0-1 | 31 | 1949 | Mar del Plata | E72 King's Indian |
| 29. C H Maderna vs P Martin |
| ½-½ | 41 | 1949 | Mar del Plata | D51 Queen's Gambit Declined |
| 30. P Martin vs F Benko |
| 1-0 | 63 | 1949 | Mar del Plata | D44 Queen's Gambit Declined Semi-Slav |
| 31. R Flores Alvarez vs P Martin |
| ½-½ | 38 | 1949 | Mar del Plata | D45 Queen's Gambit Declined Semi-Slav |
| 32. P Martin vs L Roux Cabral |
| 1-0 | 74 | 1949 | Mar del Plata | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 33. H Rossetto vs P Martin |
| 1-0 | 40 | 1949 | Mar del Plata | D32 Queen's Gambit Declined, Tarrasch |
| 34. P Martin vs J T Iliesco |
| ½-½ | 41 | 1949 | Mar del Plata | E72 King's Indian |
| 35. W O Cruz vs P Martin |
| ½-½ | 28 | 1949 | Mar del Plata | D46 Queen's Gambit Declined Semi-Slav |
| 36. P Martin vs Letelier |
| 0-1 | 58 | 1949 | Mar del Plata | D52 Queen's Gambit Declined |
| 37. Eliskases vs P Martin |
| 1-0 | 41 | 1949 | Mar del Plata | A07 King's Indian Attack |
| 38. P Martin vs A Pomar |
| 1-0 | 68 | 1949 | Mar del Plata | D49 Queen's Gambit Declined Semi-Slav, Meran |
| 39. P Martin vs Pirc |
| 0-1 | 48 | 1950 | Mar del Plata | D75 Neo-Grunfeld, 6.cd Nxd5, 7.O-O c5, 8.dxc5 |
| 40. P Michel vs P Martin |
| ½-½ | 23 | 1950 | Mar del Plata | C15 French, Winawer |
| 41. P Martin vs H Rossetto |
| ½-½ | 40 | 1950 | Mar del Plata | D92 Grunfeld, 5.Bf4 |
| 42. C Guimard vs P Martin |
| 1-0 | 41 | 1950 | Mar del Plata | D12 Queen's Gambit Declined Slav |
| 43. P Martin vs Bolbochan |
| 1-0 | 45 | 1950 | Mar del Plata | D90 Grunfeld |
| 44. Pilnik vs P Martin |
| ½-½ | 69 | 1950 | Mar del Plata | C15 French, Winawer |
| 45. P Martin vs P Trifunovic |
| ½-½ | 24 | 1950 | Mar del Plata | A41 Queen's Pawn Game (with ...d6) |
| 46. C H Maderna vs P Martin |
| 1-0 | 41 | 1950 | Mar del Plata | E05 Catalan, Open, Classical line |
| 47. P Martin vs M E de Freitas |
| 1-0 | 25 | 1950 | Mar del Plata | E72 King's Indian |
| 48. Gligoric vs P Martin |
| 1-0 | 41 | 1950 | Mar del Plata | E25 Nimzo-Indian, Samisch |
| 49. P Martin vs M Luckis |
| 1-0 | 35 | 1950 | Mar del Plata | E00 Queen's Pawn Game |
| 50. L Marini vs P Martin |
| 1-0 | 41 | 1950 | Mar del Plata | E18 Queen's Indian, Old Main line, 7.Nc3 |
Kibitzing
