From left in back row, Lindsay Davenport of the U.S., Venus Williams of the U.S., Serena Williams of the U.S., Elena Dementieva of Russia, Sania Mirza of India, Nicole Vaidisova of Czech Republic and Zheng Jie of China pose with children during a welcome party of the Champions Challenge in Hong Kong Tuesday, Jan. 3, 2006. The Champions Challenge tennis will start from Jan. 4 to 7. (AP Photo/Kin Cheung)