In the playoffs Wilt dropped by 7.4 ppg, while Russell flourished.
In a must-win game 6 for Philly Russell outplays and locks up Wilt, dropping a 26-25-3 on 42% to Wilts 25-24-0 on 44%. For the people who will say, "Well, Wilt locked up Russell too!", Wilt averaged 38 ppg that season; Russell averaged 18.
Russell locks up Wilt in a must-win game 7, holding him from his regular season average of 50.4 ppg down to just 22 points. For the game Russell outplays Wilt, averaging 19-22-1 on 50% to Wilts 22-22-3 on 47%.
Russell drops a 20-24-4 on 57% in a game 7 to send off a talented three all-star Royals team, including Oscar Robertson. Then he averages 20-26-5 on 47% in the finals to beat the West-Baylor Lakers in 6, including a 25-29 in game 1 and 38 boards in game 2. (13/25)
After seeing Wilt off in the Divison Finals, Russell once again dispatches the Lakers in 5, averaging an 18-25-6 on 70% Field Goal shooting. He drops 22 points and 30 rebounds in the closeout game 5. (14/25)
Russell and Boston defeat a Wilt-led Sixers team in 7 games. In game 7, Russell has only 12 points but only misses two shots while holding Wilt to 14 points on 44% shooting. In case you missed it, there's a theme here of Russell beating Wilt quite often. (16/25)