Adelaide International 2: Siniakova makes last 16 after Potapova’s retirement

Czech qualifier Katerina Siniakova advanced to the last 16 of the Adelaide International 2 when Russian lucky loser Anastasia Potapova retired on Tuesday at the Memorial Drive Tennis Park.

Siniakova, ranked No 49, led 6-1, 1-0 when Potapova, ranked No 43, pulled out on Tuesday night at the Memorial Drive Tennis Park.

The Czech will play No 4 seed Caroline Garcia next.

Adelaide WTA 500, other first-round results (Memorial Drive Tennis Park, hard, USD 780.637, most recent results first):

• Anett Kontaveit vs. Paula Badosa
• Kaia Kanepi vs. Storm Hunter
• Victoria Azarenka vs. Veronika Kudermetova: tuesday
• Anna Kalinskaya (Q) beat Jelena Ostapenko: 6-3, 6-4
• Barbora Krejcikova beat Alison Riske-Amritraj (LL): 6-2, 7-6 (3)
• Qinwen Zheng (Q) beat Shelby Rogers (LL): 4-6, 6-4, 6-0
• Amanda Anisimova (LL) beat Liudmila Samsonova: 7-5, 6-3
• Belinda Bencic (8) beat Garbine Muguruza (WC): 6-3, 6-4
• Ekaterina Alexandrova beat Jaimee Fourlis (WC): 7-5, 6-3
• Beatriz Haddad Maia (11) beat Sorana Cirstea (Q): 7-6 (5), 6-1
• Danielle Collins (10) beat Karolina Pliskova (Q): 6-2, 6-4
• Petra Kvitova (12) beat Elena Rybakina: 6-3, 7-5
• Jil Teichmann (Q) beat Anastasia Pavlyuchenkova: 7-5, 6-4