Ash Barty takes another step towards defending the women's number one tennis ranking by advancing to the semi-finals
Ash Barty has moved another step towards defending her Miami Open title and the women's number one tennis ranking by advancing to the semi-finals with a three-set win over Belarussian Aryna Sabalenka
31 March 2021
The Australian will retain her ranking if she makes the final, regardless of whether world number two Naomi Osaka wins the tournament.
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