World primary Ashleigh Barty has withdrawn from Indian Wells and the Miami Open, saying her physique has not totally recovered from her Australian Open triumph.
Barty was the two-time defending champion in Miami.
“I do not imagine I’m on the degree essential to win these occasions,” the 25-year-old mentioned in an announcement.
Barty has had an unbeaten begin to the season, profitable the Adelaide Open earlier than changing into the primary residence ladies’s Australian Open champion for 44 years.
She mentioned she hopes to return for Australia’s Billie Jean King Cup qualifying occasion towards Slovakia on 15 April.
“Sadly my physique has not recovered the best way I would hoped after the Australian Open and I’ve not been in a position to adequately put together for Indian Wells and Miami,” Barty mentioned.
“I like these occasions and am unhappy to not be there competing however getting my physique proper should be my focus.”
Melbourne finalist Collins has additionally withdrawn from the 2 American hard-court occasions.
Indian Wells takes place from 9-20 March, with the Miami Open following between 21 March-3 April.