Plus, Carlos Alcaraz faces Casper Ruud and Novak Djokovic takes on defending champ Jack Draper at the BNP Paribas Open.
Both have four majors and have spent time at world No. 1, but Osaka and Sabalenka have built their worlds in different ways.
The world No. 1 has acquired yet another key skill, but would rather not have to use it as much as he has in recent tournaments.
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