Miami Open: Pegula through to third round as Lin Zhu retires injured

American Jessica Pegula, the No 5 seed, reached the third round of the Miami Open when Chinese Lin Zhu retired at the Hard Rock Stadium.

Pegula, ranked No 5, led 6-4, 4-1 when Zhu, ranked No 63, pulled out on Saturday evening at the Hard Rock Stadium.

The American will face the winner of the match between Canadian Leylah Fernandez, the No 31 seed, and Colombian qualifier Emiliana Arango next.

The Chinese won against Marie Bouzkova (6-2, 6-4) in the previous round of the Miami tournament.

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

• Elina Avanesyan vs. Ons Jabeur
• Maria Timofeeva vs. Linda Noskova
• Naomi Osaka vs. Elina Svitolina
• Iga Swiatek vs. Camila Giorgi
• Sloane Stephens vs. Sorana Cirstea
• Caroline Garcia vs. Viktoriya Tomova
• Daria Kasatkina vs. Claire Liu
• Anastasia Potapova vs. Danielle Collins: saturday
• Jasmine Paolini (12) beat Katie Volynets (Q): 7-6 (8), 7-5
• Leylah Fernandez vs. Emiliana Arango: saturday
• 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