Story highlights Injury forces Williams to withdraw in MiamiFormer world No. 1 won opening matchRetired at Indian Wells two weeks ago(CNN) Serena Williams has been forced to withdraw from the Miami Open due to a knee injury. Williams, who won the most recent of her eight titles at the tournament in 2015, recorded a hard-fought victory over Sweden's Rebecca Peterson in her opening game. "I am disappointed to withdraw from the Miami Open due to a left knee injury," said Williams. "It was an amazing experience to play at the Hard Rock Stadium this year and would like to thank the Miami Open for putting on an amazing event.

Source: CNN March 24, 2019 10:44 UTC