‘Chilled’ Swiatek scrapes into Madrid Open last eight

Poland’s Iga Swiatek in action. — AFP/FileMADRID: Defending champion Iga Swiatek reached her fifth WTA 1000 quarter-final of the season with a 6-0, 6-7 , 6-4 victory over 13th-seeded Diana Shnaider at the Madrid Open on Tuesday.After a nationwide blackout cancelled the majority of play at…