The Latest: Osaka takes court in Australian Open quarters

MELBOURNE, Australia (AP) — The Latest on the Australian Open (all times local):

12:40 p.m.

The quarterfinals are underway at the Australian Open, with 2019 champion Naomi Osaka facing Hsieh Su-wei in the first match. The 35-year-old Hsieh is the oldest woman to make her Grand Slam quarterfinal debut.

Serena Williams, who is three wins away from a record-tying 24th major title, plays No. 2-seeded Simona Halep in the other women’s match Tuesday night.

On the men’s side, eight-time Australian champion Novak Djokovic plays Alexander Zverev and Grigor Dimitrov takes on 114th-ranked qualifier Aslan Karatsev.

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