http://news.yahoo.com/s/afp/20091029/sp_wl_afp/tenniswtaqat]Wozniacki hobbles to victory, Serena eases into semis in Doha tennis (AFP)[/URL]



AFP - Caroline Wozniacki burst into tears after overcoming crippling cramp to edge closer to the WTA Championships semi-finals Thursday as new world number one Serena Williams cruised into the last four.