Former world No. 1 Caroline Wozniacki denied teenage sensation Naomi Osaka her first title on the WTA Tour with a 7-5, 6-3 win in the Pan Pacific Open final on Sunday.

Eighteen-year-old Osaka was aiming to become the tournament's first Japanese champion since Kimiko Date-Krumm in 1995 after ripping through the opposition this week at Ariake Colosseum, but the world No. 66 met her match against Wozniacki, a semifinalist at this month's U.S. Open.

"I think I was just missing a lot," said Osaka, who received treatment on her right shoulder after the first set. "She was playing some really good defense and I was missing a lot of crucial shots.