Nikolay Davydenko was to face Philipp Kohlschreiber in the second singles on clay at the Olympic indoor stadium.
Russia won its second Davis Cup title last season over Argentina.
Germany hasn't beaten Russia since 1993, when it won its fourth Davis Cup title. The Germans reached the semifinals the next two years, but lost to Russia both times. The Russians again beat Germany in the first round in 1999.
A disaster that appeared something different from a tragic fatality. The timing of the incident, on the night when Iran launched its operation...