Mladenovic and Zhang

NEW YORK — Kristina Mladenovic and Zhang Shuai stopped Taylor Townsend and Katerina Siniakova’s bid for a second straight major women’s doubles title, beating the No. 3 seeds 7-5, 4-6, 6-3 on Wednesday at the US Open.

Mladenovic and Shuai will play Friday against the No. 7-seeded team of Jelena Ostapenko and Lyudmyla Kichenok, who lost to Hsieh Su-wei and Elise Mertens in this year’s Australian Open final.

Siniakova had swept the Grand Slam doubles tournaments since, winning the...