42 sets and still counting: Nadal battles to reach Barcelona semi-final

(G.N.S) Dt. 28 Barcelona Rafael Nadal kept his campaign for an 11th Barcelona Open title on track Friday with a 6-0, 7-5 win over Slovakian qualifier Martin Klizan. World number one Nadal has now won 42 consecutive sets on clay but he was made to work by Klizan, the world