Two-time Wimbledon champion Petra Kvitova says Naomi Osaka's shyness is a problem for her as she struggles to deal with the increased scrutiny in the wake of her success at the Grand Slams and her rise to the top of the world rankings.
A tearful Osaka admitted difficulty in dealing with the attention of being the world's top-ranked woman after a shock defeat by France's Kristina Mladenovic at the Dubai Duty Free Tennis Championships on Tuesday.
Naomi Osaka's victory in the Australian Open has been drawing crowds to a display related to her in the northern Japanese city of Nemuro, where her grandfather lives.
The people of Nemuro in Hokkaido prefecture are excited about Osaka's recent spectacular performances. Local resident Tetsuo Osaka is her grandfather.
The Women's Tennis Association has announced that Japanese tennis player Naomi Osaka has become the world's number one in women's singles rankings after she won the Australian Open on Saturday. She is the first singles player from Asia to make it to the top of the tennis rankings.
The WTA released its latest rankings on Monday. The 21-year-old player was ranked fourth going into the tournament in Melbourne.
Japanese tennis player Naomi Osaka says she is happy, but also surprised about winning the women's singles title at the Australian Open.
Osaka spoke to reporters in Melbourne on Sunday, a day after she defeated Petra Kvitova of the Czech Republic in the tournament final and won her second straight Grand Slam.