Venus, the world number seven, defeated Serbia's Jelena Jankovic 5-7, 6-3, 6-4 in her semi-final on Saturday while 2001 champion Serena, the new world number one, went through when Caroline Wozniacki was forced to retire. Danish teenager Wozniacki, who came into the tournament carrying a left thigh strain, and who had struggled with cramps in the round-robin stage, was 4-6, 1-0 when a stomach stra