It's not happening very often, let's say," said Kasatkina, who has called for an end to the fighting in Ukraine.
Russian tennis players collect 3 titles at US Open tuneups
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“It was a roller coaster,” said Kasatkina, who hadn't reached a major quarterfinal in four years.
Iga Swiatek extends win streak to 33 in Paris, reminds Jessica Pegula of Ash Barty
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