Fett upsets Mladenovic to advance at Japan Women’s Open

Jana Fett of Croatia makes a backhand return. (Aijaz Rahi/AP)

TOKYO — Jana Fett advanced to the second round of the Japan Women’s Open by beating top-seeded Kristina Mladenovic 6-4, 6-3 on Wednesday.

Mladenovic rallied briefly by winning three games in the second set before the 20-year-old qualifier from Croatia served out the victory.

Also, Sara Sorribes Tormo of Spain rallied to beat three-time champion Samantha Stosur of Australia 3-6, 7-5, 6-1, while defending champion Christina McHale of the United States, second-seeded Zhang Shuai of China, Kristyna Pliskova of the Czech Republic and Elise Mertens of Belgium also advanced.