Porsche Grand Prix: Rybakina makes last 16

Kazakh Elena Rybakina, the No 6 seed, won against German wild card Jule Niemeier 7-5, 6-3 to advance to the last 16 of the Porsche Grand Prix at the Porsche-Arena in Stuttgart on Wednesday.

Rybakina, ranked No 7, will play Brazilian Beatriz Haddad Maia next.

Stuttgart WTA 500, other 32 results (Porsche-Arena, EUR 780.637, most recent results first):

• Coco Gauff (5) beat Veronika Kudermetova: 6-2, 4-6, 7-6 (3)
• Karolina Pliskova beat Maria Sakkari (8): 6-2, 6-3
• Barbora Krejcikova beat Liudmila Samsonova: 6-2, 6-0
• Jelena Ostapenko beat Emma Raducanu (WC): 6-2, 6-1
• Tatjana Maria (WC) beat Ylena In-Albon (Q): 6-2, 4-6, 7-6 (4)
• Anastasia Potapova beat Petra Martic (Q): 6-3, 3-6, 7-6 (4)
• Paula Badosa (WC) beat Daria Kasatkina (7): 6-1, 6-1
• Beatriz Haddad Maia beat Martina Trevisan: 7-5, 1-1 ret.
• Donna Vekic beat Ekaterina Alexandrova: 7-6 (7), 7-6 (5)
• Cristina Bucsa (Q) beat Tamara Korpatsch (Q): 3-6, 6-4, 6-0
• Qinwen Zheng beat Alycia Parks (LL): 6-4, 6-4