Serena Williams has pulled out of this week's Miami Open after having oral surgery.
The 23-time Grand Slam singles champion was knocked out of the Australian Open semi-finals by Naomi Osaka in January.
Williams, who lives in Florida, said in a statement: "Miami is a special tournament for me because it's my home."I am sad I won't be able to see the incredible fans this year, but I look forward to coming back soon."
The men's draw has already been depleted by the withdrawals of world number one Novak Djokovic, Roger Federer, Rafael Nadal and world number four Dominic Thiem.
Andy Murray - who has fallen to No 118 in the rankings after long injury lay-offs because of hip surgeries - has been given a wild card for the event.
It gets under way on Monday.