| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. A S Sergeev vs N I Grekov |
 | ½-½ | 70 | 1928 | Moscow-ch | E10 Queen's Pawn Game |
| 27. A Polyak vs A S Sergeev |
| 1-0 | 42 | 1930 | Moscow Championship | A18 English, Mikenas-Carls |
| 28. Panov vs A S Sergeev |
| 1-0 | 57 | 1930 | Moscow Championship | B13 Caro-Kann, Exchange |
| 29. A S Sergeev vs M Yudovich Sr |
| 0-1 | 32 | 1930 | Moscow Championship | E70 King's Indian |
| 30. A S Sergeev vs A Ilyin-Zhenevsky |
| 0-1 | 53 | 1930 | Leningrad - Moscow Match | A90 Dutch |
| 31. B Blumenfeld vs A S Sergeev |
| ½-½ | 20 | 1930 | National Tournament | A48 King's Indian |
| 32. A S Sergeev vs F Duz-Khotimirsky |
| ½-½ | 54 | 1930 | National Tournament | D45 Queen's Gambit Declined Semi-Slav |
| 33. A S Sergeev vs N Grigoriev |
| 1-0 | 27 | 1930 | National Tournament | A47 Queen's Indian |
| 34. I Kan vs A S Sergeev |
| 0-1 | 54 | 1932 | National Tournament | D51 Queen's Gambit Declined |
| 35. A S Sergeev vs I Kan |
| 0-1 | 39 | 1932 | National Tournament | B10 Caro-Kann |
| 36. N Zubarev vs A S Sergeev |
| 1-0 | 26 | 1932 | National Tournament | C42 Petrov Defense |
| 37. A S Sergeev vs N Riumin |
| 0-1 | 23 | 1932 | National Tournament | E23 Nimzo-Indian, Spielmann |
| 38. F Duz-Khotimirsky vs A S Sergeev |
| 1-0 | 24 | 1932 | National Tournament | A46 Queen's Pawn Game |
| 39. A S Sergeev vs M Yudovich Sr |
| 0-1 | 21 | 1932 | National Tournament | E70 King's Indian |
| 40. A S Sergeev vs Panov |
| 0-1 | 32 | 1934 | National tournament | A40 Queen's Pawn Game |
| 41. N Riumin vs A S Sergeev |
| 1-0 | 25 | 1935 | Moscow-ch | C29 Vienna Gambit |
| 42. Panov vs A S Sergeev |
| 1-0 | 31 | 1935 | Moscow-ch | C41 Philidor Defense |
| 43. A Chistiakov vs A S Sergeev |
| ½-½ | 53 | 1935 | Moscow-ch | C28 Vienna Game |
| 44. P Lebedev vs A S Sergeev |
| 1-0 | 51 | 1935 | Moscow-ch | A15 English |
| 45. A S Sergeev vs Kotov |
| ½-½ | 73 | 1935 | Moscow-ch | A04 Reti Opening |
| 46. A S Sergeev vs A Zhivtsov |
| 1-0 | 40 | 1936 | Ch Moscow (sf-B) | A15 English |
| 47. A S Sergeev vs Smyslov |
| 1-0 | 64 | 1938 | 18th Ch Moscow | A47 Queen's Indian |
| 48. A S Sergeev vs A Chistiakov |
| ½-½ | 29 | 1938 | 18th Ch Moscow | C07 French, Tarrasch |
| 49. V Baturinsky vs A S Sergeev |
| 1-0 | 41 | 1938 | 18th Ch Moscow | B50 Sicilian |
| 50. A S Sergeev vs S Kogan |
| 0-1 | 38 | 1938 | 18th Ch Moscow | C90 Ruy Lopez, Closed |
Kibitzing
