Daniil Medvedev sealed Russia's place in the Davis Cup final with a 6-4, 6-4 victory over Jan-Lennard Struff giving his team an unassailable 2-0 lead over Germany on Saturday.
The world number two backed up Andrey Rublev's straight-sets win over Dominik Koepfer in the first rubber to set up a clash with Croatia on Sunday.
The Russians, like the Croats, will be bidding for a third win in the competition.