| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. T Prokhorovich vs Lutikov |
| ½-½ | 18 | 1957 | URS-ch sf Sverdlovsk | A15 English |
| 27. Y Kots vs T Prokhorovich |
| 1-0 | 80 | 1957 | URS-ch sf Sverdlovsk | D18 Queen's Gambit Declined Slav, Dutch |
| 28. T Prokhorovich vs Averbakh |
| 0-1 | 62 | 1957 | URS-ch sf Sverdlovsk | E58 Nimzo-Indian, 4.e3, Main line with 8...Bxc3 |
| 29. L Aronson vs T Prokhorovich |
| 1-0 | 45 | 1957 | URS-ch sf Sverdlovsk | D12 Queen's Gambit Declined Slav |
| 30. T Prokhorovich vs K Khanov |
| 0-1 | 59 | 1957 | URS-ch sf Sverdlovsk | E80 King's Indian, Samisch Variation |
| 31. Gipslis vs T Prokhorovich |
| 1-0 | 24 | 1957 | URS-ch sf Sverdlovsk | C12 French, McCutcheon |
| 32. T Prokhorovich vs G Ilivitsky |
| ½-½ | 19 | 1957 | URS-ch sf Sverdlovsk | A14 English |
| 33. T Prokhorovich vs A Nikitin |
| ½-½ | 30 | 1958 | URS-ch sf Moscow | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| 34. T Prokhorovich vs G Ravinsky |
| 0-1 | 28 | 1958 | URS-ch sf Moscow | D55 Queen's Gambit Declined |
| 35. T Prokhorovich vs Tolush |
| 1-0 | 49 | 1958 | URS-ch sf Moscow | D50 Queen's Gambit Declined |
| 36. I Kudinov vs T Prokhorovich |
| 1-0 | 46 | 1960 | Moscow - Leningrad | A04 Reti Opening |
| 37. T Prokhorovich vs I Kudinov |
 | 1-0 | 30 | 1960 | Moscow - Leningrad | E80 King's Indian, Samisch Variation |
| 38. V Chernykh vs T Prokhorovich |
| 0-1 | 35 | 1961 | Moscow Team Championship | D18 Queen's Gambit Declined Slav, Dutch |
| 39. T Prokhorovich vs Shurawlew |
| 0-1 | 8 | 1969 | Moscow | D02 Queen's Pawn Game |
Kibitzing
