STUTTGART, Germany (AP) -- Results Tuesday from the Porsche Tennis Grand Prix at Porsche Arena (seedings in parentheses):
Carla Suarez Navarro (8), Spain, def. Evgeniya Rodina, Russia, 6-2, 6-7 (5), 6-4.
Lucie Safarova, Czech Republic, def. Kateryna Bondarenko, Ukraine, 7-6 (8), 6-4.
Marina Melnikova, Russia, def. Petra Martic, Croatia, 6-4, 6-2.
Madison Brengle, United States, def. Alberta Brianti, Italy, 6-4, 6-4.
Garbine Muguruza, Spain, def. Barbora Strycova, Czech Republic, 6-1, 6-4.
Klaudia Jans-Ignacik, Poland, and Andreja Klepac (4), Slovenia, def. Oksana Kalashnikova, Georgia, and Katerina Siniakova, Czech Republic, 6-4, 6-0.
Julia Goerges, Germany, and Sabine Lisicki, Germany, def. Darija Jurak, Croatia, and Barbora Krejcikova, Czech Republic, 6-3, 3-6, 10-5.
Janette Husarova, Slovakia, and Paula Kania, Poland, def. Mona Barthel, Germany, and Mandy Minella, Luxembourg, 6-2, 6-1.