Both sides came through penalty shoot-outs in the last 16, beating Denmark and Spain respectively.
Croatia were some way from their best against the Danes but will fancy their chances of reaching the semi-finals against a Russian side which has defied all expectations by getting this far.
Our unique algorithm has predicted the Croatia side it believes will start the game.
Football Whispers uses data to predict teams’ starting XIs, taking into account injuries, suspensions, and the statistical likelihood of a player being selected. The widget can also show you players’ recent form and stats.