Naomi Osaka falls to 18-year-old wildcard at Pan Pacific Open

TOKYO–Naomi Osaka, seeded No. 7 and playing before home fans in Japan, was knocked out of the Pan Pacific Open on Thursday by Mia Pohankova of Slovakia. Pohankova, who turned 18 a week ago and was a wildcard entry in Japan, upset Osaka 6-3, 7-5 to advance to the quarterfinals after a match that lasted