article_snippet: Roger Federer beat American 22-year-old Jack Sock 6-3, 6-2 to set up a last-eight clash with Czech Tomas Berdych.
article_snippet: After a tight first set against Sock, Roger Federer ran away with the match in the end as Roger Federer notched up Roger Federer 50th win in Indian Wells.
article_snippet: American Jack Sock put up a decent fight in the first set but was eventually beaten .
article_snippet: The Spaniard next plays sixth-seeded Milos Raonic, who defeated 17th-seeded compatriot
article_snippet: Tommy Robredo 6-3, 6-2 in a fourth-round match.
highlights_snippet: Roger Federer beat American Jack Sock 6-3, 6-2 and now faces Tomas Berdych .
  