US Open: Elena Rybakina becomes new women's No. 1 with win over Qinwen Zheng in quarterfinal

NEW YORK, NEW YORK - SEPTEMBER 09: Elena Rybakina in action against Qinwen Zheng during a Women's Singles quarterfinal match on Day Eleven of the 2026 US Open at USTA Billie Jean King National Tennis Center on Wednesday, September 9, 2026 in Flushing, NY. (Photo by Simon Bruty/USTA via Getty Images)

(Simon Bruty via Getty Images)