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BIRMINGHAM, ENGLAND - JUNE 20: Naomi Osaka of Japan looks dejected during her second round match agains Yulia Putintseva of Kazakhstan during day four of the Nature Valley Classic at Edgbaston Priory Club on June 20, 2019 in Birmingham, United Kingdom. (Photo by Morgan Harlow/Getty Images)

BIRMINGHAM, ENGLAND - JUNE 20: Naomi Osaka of Japan looks dejected during her second round match agains Yulia Putintseva of Kazakhstan during day four of the Nature Valley Classic at Edgbaston Priory Club on June 20, 2019 in Birmingham, United Kingdom. (Photo by Morgan Harlow/Getty Images)

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BIRMINGHAM, ENGLAND - JUNE 20: Yulia Putintseva of Kazakhstan celebrates victory in her second round match against Naomi Osaka of Japan during day four of the Nature Valley Classic at Edgbaston Priory Club on June 20, 2019 in Birmingham, United Kingdom. (Photo by Jordan Mansfield/Getty Images for LTA)

BIRMINGHAM, ENGLAND - JUNE 20: Yulia Putintseva of Kazakhstan celebrates victory in her second round match against Naomi Osaka of Japan during day four of the Nature Valley Classic at Edgbaston Priory Club on June 20, 2019 in Birmingham, United Kingdom. (Photo by Jordan Mansfield/Getty Images for LTA)