Vera Zvonareva , beating the Russian 2-6 6-3 7-6 ( 7-3 ) in two and a half hours . Top-ranked David Ferrer Nadal extends his unbeaten run on clay to 31 matches . Spaniard sets up quarterfinal clash with 54th seed Gael Monfils in Barcelona . David Ferrer to play Sam Stosur in rematch of Monte Carlo semifinals . Last year 's runner-up Rafael beats women 's No . 3 David Ferrer in Stuttgart .
Top-ranked David Ferrer Nadal extends his unbeaten run on clay to 31 matches . Spaniard sets up quarterfinal clash with 54th seed Gael Monfils in Barcelona . David Ferrer to play Sam Stosur in rematch of Monte Carlo semifinals . Last year 's runner-up Rafael beats women 's No . 3 David Ferrer in Stuttgart .