World No 1 Lee Chong Wei and Olympic champion Lin Dan, the two most fearsome rivals in badminton, could face off in the semi-finals of the World Championships on Aug 23-29. Chong Wei, as expected, is the top seed followed by Denmark's Peter Gade Christensen. Either of them will face Lin Dan in the semis. Can the top seed or the Dane crash the Big Wall of China? Watch the actions online LIVE at Total Sports TV!