( CNN ) -- Serena Williams made a winning return from a left ankle injury by defeating Zhang Shuai in the second round of the Sony Ericsson Open in Miami . Williams , seeded 10th , had not been in WTA action since losing to Ekaterina Makarova in the last 16 of the Australian Open . However , she was always in control against her Chinese opponent , easing through 6-2 6-3 in just 80 minutes . The 30-year-old Williams , who has won the tournament five times , now faces 21st seed Roberta Vinci of Italy , who defeated Tsvetana Pironkova 7-5 6-1 . Will of the Williams : Venus vows to rise again . Another former world number one , Kim Clijsters , is also through to the third round after getting over some of the rustiness that plagued her first round performance . The Belgian struggled to defeat Slovak Jarmila Gajdosova on Wednesday , but was far more impressive in dismissing 14th seed Julia Goerges 6-2 7-5 on Thursday . However , there was disappointment for yet another former world number one , Jelena Jankovic , after the 13th-seeded Serb was crushed 6-0 6-3 by Mona Barthel of Germany . Meanwhile , Russian second seed Maria Sharapova was given a scare , dropping the opening set before rallying to defeat Israel 's Shahar Peer 4-6 6-3 6-3 . Fourth seed Caroline Wozniacki , another woman to have occupied top spot in the world rankings , breezed through her opening match , beating Czech world No . 59 Barbora Zahlavova Strycova 6-4 6-0 . The 2011 French Open champion Li Na also progressed , the Chinese eighth seed recorded a 7-5 6-2 win over Hungarian qualifier Melinda Czink . Also through to the last 32 are US Open champion Samantha Stosur , 12th seed Sabine Lisicki , 17th seed Shuai Peng and 23rd seed Yanina Wickmayer , who all progressed in straight sets . But 25th seed Anabel Medina Garrigues of Spain crashed out 1-6 6-4 6-0 to South African Chanelle Scheepers , while two-time grand slam champion Svetlana Kuznetsova , seeded 26th , lost 1-6 7-6 7-6 to Czech Iveta Benesova .
Serena Williams returns to action with a victory in the Sony Ericsson Open in Miami . Williams defeats China 's Shuai Zhang 6-2 6-3 in her first match since Australian Open . TL;DR