Porsche Grand Prix: Potapova books spot in last 16, may face Gauff next
Anastasia Potapova defeated Petra Martic 6-3, 3-6, 6-3 on Tuesday. She’ll play the winner of the match between American Coco Gauff, the No 5 seed, and Russian Veronika Kudermetova in the next round

Russian Anastasia Potapova moved into the last 16 of the Porsche Grand Prix by beating Croat qualifier Petra Martic 6-3, 3-6, 7-6 (4) at the Porsche-Arena in Stuttgart on Tuesday.
Potapova, ranked No 24, will play the winner of the match between American Coco Gauff, the No 5 seed, and Russian Veronika Kudermetova next.
Stuttgart WTA 500, other 32 results (Porsche-Arena, EUR 780.637, most recent results first):
- Jule Niemeier vs. Elena Rybakina
- Coco Gauff vs. Veronika Kudermetova
- Karolina Pliskova vs. Maria Sakkari
- Barbora Krejcikova vs. Liudmila Samsonova
- Jelena Ostapenko vs. Emma Raducanu
- Tatjana Maria vs. Ylena In-Albon: tuesday
- 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