Rafael Nadal continues his Barcelona Open winning streak in first match . The Spaniard will face world number Spanish top seed David Ferrer suffers shock defeat to Russian Dmitry Tursunov . Barcelona presents another chance to warm up for the French Open in May .
Rafael Nadal continues his Barcelona Open winning streak in first match . The world No . 5 defeats 63rd-ranked Argentine Carlos Berlocq . Spanish top seed David Ferrer suffers shock defeat to Russian Dmitry Tursunov . Barcelona presents another chance to warm up for the French Open in May .