The meeting, which took place at the Tatneft Arena in Kazan, ended in a victory for the hosts with a score of 2: 1.
Stefan da Costa and Stanislav Galiev scored for Ak Bars.
The only goal of the hosts on account of Ivan Igumnov.
Ak Bars retained the first place in the standings of the Eastern Conference, Dynamo Moscow ranks fourth in the West.
Earlier, Spartak beat Traktor, ending a series of defeats in the KHL.