On Dec. 31, as the final hours of 2021 ticked away, Naomi Osaka wrote on Twitter, "I’ve never been more excited for a year to be over.”

Osaka, who had not played a competitive tennis match since losing in the third round of the U.S. Open to the world’s 73rd-ranked player, was getting a jump on the start of 2022 in Melbourne, Australia, after her second lengthy break from the game in seven months. And who could blame her?

In the 10 months since she won her fourth Grand Slam title, in Australia, her destiny had gone from can’t-miss superstardom to something far more concerning.