
AI-generated summary
Elena Rybakina is the Kazakh second seed at the US Open. Naomi Osaka is a two-time US Open champion. Zheng Qinwen is the reigning Olympic champion. Aryna Sabalenka is the current world number one.
Elena Rybakina swept aside two-time champion Naomi Osaka to reach the quarter-finals of the US Open and close in on becoming world number one.
The Kazakh second seed overpowered 13th seed Osaka to win 6-1 6-4 on Louis Armstrong Stadium to set up a quarter-final against China's Zheng Qinwen.
Rybakina will become world number one for the first time if she wins her last-eight tie in New York - even if top-ranked Aryna Sabalenka goes on to defend her title.
Reigning Olympic champion Zheng came from 5-0 down in the first set of her fourth-round match to beat former champion Iga Swiatek.
"Of course I want it, I don't know anyone who won't want this," Rybakina said of the number one ranking.
"I tried to approach it the same way and do everything I can, and fight to the end of my next match.
"If I serve as well as I did today, I think I can do well. Let's hope it goes my way."
AI outlook — possibilities, not facts
Elena Rybakina will win her quarter-final match against Zheng Qinwen
Possible · Within days
Elena Rybakina will become world number one if she wins her quarter-final match
Likely · Within days
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