Naomi Osaka was made to work for her first WTA win in 15 months, the new mother beating Germany's Tamara Korpatsch 6-3 7-6 (11-9) in Brisbane's first round.
Naomi Osaka was made to work for her first WTA win in 15 months, the new mother beating Germany's Tamara Korpatsch 6-3 7-6 (11-9) in Brisbane's first round.
