Naomi Osaka beats compatriot Misaki Doi to advance at Pan Pacific Open
Osaka blasted seven aces against Japan's top-ranked player and converted two of five break chances.
Sep 19, 2016 by AP
Aliaksandra Sasnovich defeats top-seeded Misaki Doi at Japan Open
In another upset, second-seeded Yanina Wickmayer was beaten by Viktorija Golubic, 6-1, 7-6 (7).
Sep 13, 2016 by AP
No. 5 seed Doi, seventh-seeded Cornet advance in BOTW Classic
Gibbs topped fellow Stanford standout Zhao, 6-2, 4-6, 6-3, in the first evening match.
Jul 19, 2016 by AP
The Latest: Murray tops Kyrgios; Raonic comes from two sets down to beat Goffin
In women's action, Kerber eased past Doi, Halep outlasted Keys and Cibulkova shocked Radwanska in a thriller.
Jul 04, 2016 by AP
Venus Williams wins 49th career title at Taiwan Open
The 35-year-old defeated Misaki Doi, 6-4, 6-2.
Feb 14, 2016 by AP
Venus, Doi to meet in final of Taiwan Open
Williams hasn't dropped a set on her way to the title match.
Feb 13, 2016 by AP
Doi wins first WTA title at Luxembourg Open
She defeated Mona Barthel, 6-4, 6-7 (7), 6-0.
Oct 25, 2015 by AP
Lepchenko tops No. 1 Wozniacki in Stanford; Radwanska rallies past Doi
The world No. 7 won 1-6, 6-2, 6-0.
Aug 07, 2015 by AP