No sweat for Williams
Venus Williams was not at her fluent best but was an ultimately comfortable 6-3 6-3 winner over Anna Schmiedlova in the second round of the Sony Open in Miami.
- Related Content
The Slovakian held her own until broken in the seventh game of the opening set and, though Williams failed to serve out the second set after a monstrous backhand winner by Schmiedlova, she broke straight back by taking her first match point.
Three-time champion Williams, 33, told BT Sport: "It's good to be back - again. I feel a little old but it's good to have success as an oldster!"
Williams will face the the Australian wild card Casey Dellacqua, who slipped past Jana Cepelova - a late call-up for the injured Simona Halep - 6-4 1-6 6-4.
There was a shock as former world number one Jelena Jankovic was beaten by Varvara Lepchenko, going down 6-3 2-6 7-6 (7/2).
Third seed Agnieszka Radwanska had no such troubles, disposing of Switzerland's Romina Oprandi 6-0 6-4.
Australian Open champion Li Na went through after Alisa Kleybanova pulled out of their clash with a virus and will face Madison Keys, the up-and-coming American who tipped out Daniela Hantuchova 6-4 6-2.
Other minor upsets saw Roberta Vinci, the 13th seed, beaten 6-4 2-6 7-5 by Barbora Zahlavova Strycova, while promising 18th seed Eugenie Bouchard disappointed as she was beaten 1-6 6-1 6-2 by Elina Svitolina.
Sloane Stephens was another American to progress, winning 7-5 6-3 against Zarina Diyas of Kazakhstan.
The 10th-ranked Dominika Cibulkova dropped just three games as she saw off Yvonne Meusburger in one of the first matches of the day and 11th seed Caroline Wozniacki beat Monica Puig 6-1 1-6 6-3.
Alize Cornet went the distance before beating Andrea Petkovic 6-2 6-7 (0/7) 6-4, Kaia Kanepi was too good in tie-breaks for Christina McHale, winning 7-6 (7/5) 7-6 (7/0) and there were also wins for Ajla Tomljanovic, Elena Vesnina and Carla Suarez Navarro.