O’Sullivan suffers session whitewash against China’s Zhao at World Snooker Championship

England’s Ronnie O’Sullivan during his semi final match against China’s Zhao Xintong. — Reuters/File LONDON: Ronnie O´Sullivan lost all eight frames to China´s Zhao Xintong in the second session of their World Snooker Championship semi-final on Friday to trail 12-4 as a…