Nina Stojanovic

Miami Open: Naomi Osaka into last-16 by walkover as Nina Stojanovic withdraws

Second-ranked Osaka, the reigning US and Australian Open champion, will next face the winner of a later match between 16th seed Elise Mertens and 22nd-seeded Anett Kontaveit.

Australian Open 2021: 'Relaxed' Serena Williams cruises into the third round

The 39-year-old maintained her unbeaten run since emerging from 14-day quarantine with a 6-3, 6-0 second-round drubbing of Nina Stojanovic in 69 minutes.