Miami Open: Kasatkina through after Liu retires with injury

Russian Daria Kasatkina progressed after her opponent, American qualifier Claire Liu, withdrew injured while trailing 6-0, 1-0. She moves into the third round of the Miami Open at the Hard Rock Stadium.

Kasatkina, ranked No 11, will face the winner of the match between American Sloane Stephens and Romanian Sorana Cirstea, the No 19 seed, next.

In the previous round of the Miami tournament, Liu, ranked No 114, won against Croat Petra Martic (6-4, 6-1).

Miami WTA 1000, other second-round results (Hard Rock Stadium, hard, USD 8.770.480, most recent results first):

• Elina Avanesyan vs. Ons Jabeur
• Naomi Osaka vs. Elina Svitolina
• Caroline Garcia vs. Viktoriya Tomova
• Iga Swiatek vs. Camila Giorgi
• Sloane Stephens vs. Sorana Cirstea: saturday
• Maria Timofeeva vs. Linda Noskova: saturday
• Danielle Collins beat Anastasia Potapova (30): 6-2, 6-2
• Jasmine Paolini (12) beat Katie Volynets (Q): 7-6 (8), 7-5
• Jessica Pegula (5) beat Lin Zhu: 6-4, 4-1 ret.
• Leylah Fernandez (31) beat Emiliana Arango (Q): 6-4, 6-2
• Anastasia Pavlyuchenkova (21) beat Shelby Rogers: 6-2, 6-1
• Oceane Dodin (LL) beat Arantxa Rus: 6-4, 3-6, 6-3
• Ekaterina Alexandrova (14) beat Donna Vekic: 6-3, 6-4
• Aryna Sabalenka (2) beat Paula Badosa: 6-4, 6-3
• Coco Gauff (3) beat Nadia Podoroska (Q): 6-1, 6-2
• Emma Navarro (20) beat Storm Hunter (Q): 6-4, 6-3
• Xinyu Wang beat Veronika Kudermetova (16): 6-3, 6-2
• Elena Rybakina (4) beat Clara Tauson (Q): 3-6, 7-5, 6-4
• Victoria Azarenka (27) beat Peyton Stearns: 7-5, 3-6, 6-4
• Qinwen Zheng (7) beat Katerina Siniakova: 4-6, 6-3, 1-0 ret.
• Jelena Ostapenko (9) beat Laura Siegemund (Q): 7-6 (3), 6-4
• Dayana Yastremska (28) beat Daria Saville: 7-5, 7-5
• Madison Keys (17) beat Diana Shnaider: 6-2, 6-4
• Yulia Putintseva beat Liudmila Samsonova (13): 6-1, 4-6, 6-3
• Maria Sakkari (8) beat Yue Yuan: 6-2, 6-2
• Anna Kalinskaya (22) beat Xiyu Wang: 6-2, 6-2
• Anhelina Kalinina (32) beat Caroline Wozniacki (WC): 5-7, 7-5, 6-4
• Greet Minnen (LL) beat Lesia Tsurenko: 7-5, 6-1
• Beatriz Haddad Maia (11) beat Diane Parry: 3-6, 6-1, 6-4
• Katie Boulter (24) beat Brenda Fruhvirtova (WC): 7-6 (5), 1-0 ret.
• Taylor Townsend (Q) beat Elise Mertens (25): 6-2, 6-2