Naomi Osaka beats Anastasija Sevastova at Australian Open women's singles 4th round

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Anastasija Sevastova returns a shot the women's singles 4th round match between Naomi Osaka of Japan and Anastasija Sevastova of Latvia at the 2019 Australian Open in Melbourne, Australia, Jan. 21, 2019. Naomi Osaka won 2-1. (Xinhua/Bai Xuefei)