Orenburg - Zenit: Mikhail Vilkov to oversee the match
The 37-year-old referee has been assigned to the blue-white-sky blues for the 23rd time in his career.
Under his stewardship, the blue-white-sky blue have won 15 matches, with six draws and just one defeat.The last time he was the man in the middle for Zenit was in the 2-0 home win over Ufa in November.
The match with Orenburg will be held on Wednesday 26 April at 17:00 St. Petersburg time.