NEW YORK (AP) — Elena Rybakina is headed to the U.S. Open semifinals and to the top of the women's tennis rankings. Rybakina edged Zheng Qinwen 3-6, 6-1, 6-4 on Wednesday, guaranteeing she will become No. 1 in the WTA rankings. The Australian Open champion will face No. 4 Coco Gauff or ...