Rybakina Routs Osaka to Reach First US Open Quarterfinal

What happened

Watch the highlights: https://www.youtube.com/watch?v=5uI6gpVjHdw

Elena Rybakina reached the US Open quarterfinals for the first time on Monday, defeating Naomi Osaka 6-1, 6-4 in the fourth round at Louis Armstrong Stadium. According to the WTA's official match report, the No. 2 seed struck 29 winners and seven aces while limiting herself to 17 unforced errors against the two-time former US Open champion.

The straight-sets result completed an important career milestone for Rybakina: she has now reached the last eight at each of the four Grand Slam tournaments. The 2022 Wimbledon champion controlled the opening set and stayed composed when Osaka offered greater resistance in the second. Rybakina said afterward that she had not expected the match to unfold so decisively, but emphasized that she remained focused because of Osaka's aggressive game and ability to change a match quickly.

Why it matters

The victory carries consequences beyond a place in the final eight. The WTA reports that Rybakina will replace Aryna Sabalenka as world No. 1 after the US Open if she defeats Zheng Qinwen in the quarterfinals. That gives the next match both tournament and rankings significance as the women's draw moves into its decisive stages.

Rybakina's performance also demonstrated how effectively she has recovered from the left ankle problem that ended her Cincinnati quarterfinal in August. In New York, her serve and first-strike tennis have again become central weapons. Against Osaka, the balance between 29 winners and 17 unforced errors reflected sustained aggression without the volume of mistakes that can undermine a power-based game.

Tournament impact

Osaka's exit removes a player with an exceptional history in New York. The Japanese star won the US Open in 2018 and 2020, but Rybakina prevented her from establishing the rhythm needed to extend this year's run. Their previous meeting, in Toronto less than a month earlier, required three sets; the more decisive New York score underlined Rybakina's level on Monday.

For Rybakina, Zheng now represents the immediate obstacle between her and a first US Open semifinal. The quarterfinal also sits inside a wider contest for the top ranking, with Sabalenka still trying to retain the position. Every round therefore has a second layer: progress in the draw changes the rankings calculation.

What to watch

The central question against Zheng will be whether Rybakina can reproduce the clean serving and controlled aggression she showed against Osaka. A win would move her into the semifinals and, according to the WTA's stated scenario, secure the No. 1 ranking after the tournament. The official result and ranking conditions were reported by the WTA on September 7, 2026: https://www.wtatennis.com/news/4573459/rybakina-vs-osaka