WTA Miami Premier results

WASHINGTON, March 21 (Xinhua) -- Following are the results on Wendesday the second day of the WTA Premier Miami open (prefix number denotes seed):

Women's singles first round

Andrea Petkovic, Germany, bt Polona Hercog, Slovenia, 6-2, 6-0

3-Garbine Muguruza, Spain, bt Amanda Anisimova, United States, retired

Aryna Sabalenka, Belarus, bt Madison Brengle, United States, 6-1, 6-4

Natalia Vikhlyantseva, Russia, bt Rebecca Peterson, Sweden, 7-5, 6-1

Danielle Collins, United States, bt Irina-Camelia Begu, Romania, 6-1, 6-1

Naomi Osaka, Japan, bt Serena Williams, United States, 6-3, 6-2

Varvara Lepchenko, United States, bt Viktorija Golubic, Switzerland, 6-4, 5-7, 7-5

Oceane Dodin, France, bt Veronica Cepede Royg, Paraguay, 6-4, 6-7 (3), 6-3

Victoria Azarenka, Belarus, bt Catherine Bellis, United States, 6-3, 6-0

Hsieh Su-Wei, Chinese Taipei, bt Katie Boulter, Britain, 6-4, 7-5

Alize Cornet, France, bt Bethanie Mattek-Sands, United States, 6-2, 7-5

Alison Riske, United States, bt Magda Linette, Poland, 1-6, 6-0, 6-2

Wang Yafan, China, bt Marketa Vondrousova, Czech Republic, 6-2, 4-6, 7-6 (0)

Monica Niculescu, Romania, bt Yulia Putintseva, Kazakhstan, 6-2, 6-4

Zarina Diyas, Kazakhstan, bt Jennifer Brady, United States, 7-5, 7-6 (8)

Ekaterina Makarova, Russia, bt Timea Bacsinszky, Switzerland, 6-2, 2-6, 6-4

Carina Witthoeft, Germany, bt Tatjana Maria, Germany, 6-3, 6-4

Donna Vekic, Croatia, bt Camila Giorgi, Italy, 6-0, 7-5

Petra Martic, Croatia, bt Lauren Davis, United States, 6-1, 7-5

Sofia Kenin, United States, bt Stefanie Voegele, Switzerland, 6-4, 6-4

Monica Puig, Puerto Rico, bt Samantha Stosur, Australia, 6-3, 6-4

Enditem