That is whatcha call a free agent!
Osaka, 21, spoke to NHK (h/t BBC Sport) and confirmed she has begun proceedings to opt for Japanese citizenship:
“It is a special feeling to aim for the Olympics as a representative of Japan. I think that playing with the pride of the country will make me feel more emotional.”Naomi Osaka
The two-time major champion was born in Osaka, Japan, but moved to the United States when she was three. Her mother, Tamaki, is Japanese, while her father and coach, Leonard Francois, is from Haiti.
Per ESPN, dual-nationality citizen Osaka will be obliged under Japanese law to select one when she turns 22 on Wednesday, October 16.