Krasnodar "have to be aggressive" against Chelsea, according to their fitness coach John Phillips, who says the Russian outfit must not be "intimidated" by the Blues.
Chelsea are due to take in a trip to the Krasnodar Stadium on Wednesday night as they seek their first win in this season's Champions League group stage.
Frank Lampard's men were held to a 0-0 draw in their Group E opener against Sevilla, and were involved in another stalemate against Manchester United on Saturday which has increased pressure on the Blues boss heading into their latest European outing.