Japan’s Naomi Osaka opened her defence of the Australian Open title with a dominant win over Colombia’s Camila Osorio on day one in Melbourne.
Osaka, also champion in 2019, raced into a 5-0 lead in the first set before world number 50 Osorio fought back.
However, Osaka quickly reasserted her control and wrapped up a 6-3 6-3 win.
After taking a four-month break at the end of last season to protect her mental health, the 24-year-old returns to Grand Slam action as the 13th seed.
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