How Aryna Sabalenka solved her double-fault issues and became world’s best player

As next month’s WTA Finals approach, the new world No 1, Aryna Sabalenka, has been in Dubai, laying the groundwork for what she hopes will be a final flourish to a career-changing season.

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https://sports.yahoo.com/aryna-sabalenka-solved-her-double-080600430.html