Sharapova, recent finalist at the Australian Open, wasted little time in dismantling Silvia Soler-Espinosa 6-2 6-1 to get Russia off to a good start before Kuznetsova completed a perfect day by beating Carla Suarez Navarro 6-3 6-1.
"It was much tougher to win than it may have appeared looking at the scoreline," Kuznetsova said. "I struggled to acclimatise after coming to snow-covered Moscow from Australia."
"But anyway I managed to play well enough today and I'm pleased both with my performance and with winning an important point for our team."
Benesova fought back from a set down to overcome Sabine Lisicki 2-6 6-4 6-2 and give the Czechs a 1-0 lead in Germany before Kvitova also needed three sets to down Julia Goerges in a memorable 3-6 6-3 10-8 win.
And in Biella,