Rybakina advances at US Open — a semifinal spot would make her world No. 1

Second seed Elena Rybakina beat American Thea Frodin 6-3, 6-2 in the first round of the US Open. The Kazakh player is on course to become world No. 1 — reaching the semifinal in New York would be enough to take the top WTA ranking spot. Rybakina has been in consistent form this season.