| page 2 of 134; games 26-50 of 3,329 |     |
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| Game | Result | Moves | Year | Event/Locale | Opening | |
| 26. V Kalashnikov vs Karpov | ½-½ | 36 | 1962 | Zlatoust | C97 Ruy Lopez, Closed, Chigorin | |
| 27. Karpov vs Karin |  |
1-0 | 39 | 1962 | Cheliabinsk | B06 Robatsch |
| 28. Ziuliarkin vs Karpov | |
0-1 | 35 | 1962 | Zlatoust | C50 Giuoco Piano |
| 29. Manakov vs Karpov | |
0-1 | 26 | 1962 | Koyensk | C84 Ruy Lopez, Closed |
| 30. Ziuliarkin vs Karpov | |
0-1 | 51 | 1963 | Zlatoust | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 31. Korotaev vs Karpov | |
0-1 | 42 | 1963 | Zlatoust | D35 Queen's Gambit Declined |
| 32. V Kalashnikov vs Karpov | 0-1 | 42 | 1963 | Zlatoust | C44 King's Pawn Game | |
| 33. S Sazontiev vs Karpov | 0-1 | 47 | 1964 | Vladimir jr-ch | D60 Queen's Gambit Declined, Orthodox Defense | |
| 34. Karpov vs Simanov | |
1-0 | 59 | 1964 | Vladimir jr-ch | B24 Sicilian, Closed |
| 35. Karpov vs Botvinnik | |
½-½ | 42 | 1964 | Moscow clock simul | B15 Caro-Kann |
| 36. Karpov vs Fedin | 1-0 | 46 | 1964 | Vladimir jr-ch | B24 Sicilian, Closed | |
| 37. Karpov vs A Petroff | |
1-0 | 46 | 1964 | Vladimir | C01 French, Exchange |
| 38. Drizgalovich vs Karpov | 0-1 | 57 | 1965 | Tula | E61 King's Indian | |
| 39. Karpov vs Polyakov | |
1-0 | 31 | 1965 | Tula | C70 Ruy Lopez |
| 40. Karpov vs N Orekhov | |
1-0 | 62 | 1965 | Tula | C05 French, Tarrasch |
| 41. Karpov vs Spassky | |
½-½ | 32 | 1965 | Vladimir | B17 Caro-Kann, Steinitz Variation |
| 42. Hampyuk vs Karpov | |
0-1 | 28 | 1965 | Tula | C92 Ruy Lopez, Closed |
| 43. Kupreichik vs Karpov | |
0-1 | 33 | 1966 | It, Trinec | C77 Ruy Lopez |
| 44. Karpov vs I Nowak | ½-½ | 22 | 1966 | 09, Trinec | C98 Ruy Lopez, Closed, Chigorin | |
| 45. Karpov vs Lilienthal | ½-½ | 36 | 1966 | Moscow | B24 Sicilian, Closed | |
| 46. Karpov vs Ravinsky | ½-½ | 40 | 1966 | 09, Leningrad | C77 Ruy Lopez | |
| 47. Karpov vs V Didishko | |
0-1 | 20 | 1966 | Moscow jr-ch | B01 Scandinavian |
| 48. Karpov vs J Augustin | 1-0 | 42 | 1966 | 04, Trinec | B24 Sicilian, Closed | |
| 49. Ravinsky vs Karpov | 0-1 | 44 | 1966 | 04, Leningrad | C86 Ruy Lopez, Worrall Attack | |
| 50. Rutka vs Karpov | 0-1 | 31 | 1966 | 13, Trinec | C77 Ruy Lopez |
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| page 2 of 134; games 26-50 of 3,329 | |
