US Open champion Naomi Osaka made a winning return to action in her homeland, overpowering Dominika Cibulkova 6-2, 6-1 to reach the quarterfinals of the Pan Pacific Open in Tokyo.
US Open champion Osaka dominant on return to action in Japan
US Open champion Naomi Osaka made a winning return to action in her homeland, overpowering Dominika Cibulkova 6-2, 6-1 to reach the quarterfinals of the Pan Pacific Open in Tokyo.
