Zenit-2 lost out at home to league leaders Yenisey
Konstantin Zyryanov's men lost out 3-0 at home to the team from Krasnoyarsk.
The defeat leaves Zenit-2 in the relegation zone in 19th place while Yenisey remain top.
Zenit-2's next home game will be on 17 March against Avangard Kursk.