Welsh Open: Ronnie O'Sullivan whitewashed 5-0 in quarter-finals by China's Tian Pengfei

World champion and world number one Ronnie O'Sullivan suffers a shock 5-0 quarter-final defeat to China's Tian Pengfei in Llandudno. Welsh Open: Ronnie O'Sullivan whitewashed 5-0 in quarter-finals by China's Tian Pengfei