Japan 's Kei Nishikori emerged triumphant from first-round encounter . He beat his Russian challenger in straight sets of 6-3 6-4 in Barcelona . Rafael Nadal 's second match will be against fellow Spaniard Nicolas Almagro .
Japan 's Kei Nishikori emerged triumphant from second-round encounter . He beat his Russian challenger in straight sets of 6-3 6-4 in Barcelona . Rafael Nadal 's first match will be against fellow Spaniard Nicolas Almagro .