American Venus Williams overcame a slow start to defeat Yuliana Fedak 7-5 6-2 in the first round of the Sony Ericsson Open in Miami.
Williams is a three-time winner of the Sony Ericsson Open
The 26-year-old battled back from 4-0 down to win an error-strewn opening set, although she got her game together to comfortably take the second.
"Even though I was behind, I didn't feel like I was going to lose, I just needed to find my timing," she said.
"It was windy and I started out with a few errors. It was a challenging day."
Williams will now play 29th-seeded Russian Maria Kirilenko in the next round.
In other matches, Michaella Krajicek of the Netherlands defeated Anna Tatishvili 6-3 7-6, while Iveta Benesova claimed a 6-3 6-3 win over Gisela Dulko.
The top 32 seeds have received first-round byes.