Nadal keeps up winning run to reach Barcelona semis, Tsitsipas stuns Thiem

By Richard Martin BARCELONA (Reuters) – Rafael Nadal extended his astonishing winning run on clay to 42 consecutive sets as he reached the semi-finals of the Barcelona Open with a 6-0 7-5 victory over Slovakia's Martin Klizan on Friday. World number 140 Klizan, who had knocked out Novak Djokovic