Elena Rybakina becomes world No. 1 for first time after U.S. Open win over Zheng Qinwen

NEW YORK — Women’s tennis has a new world No. 1. Elena Rybakina took over the top spot from Aryna Sabalenka on Wednesday at the U.S. Open with a quarterfinal win over China’s Zheng Qinwen, 3-6, 6-1, 6-4. It is her first time at the summit of women’s tennis. Born in Moscow but rep