MELBOURNE, Australia (AP) _ Roger Federer extended his streak of reaching the third round at the Australian Open by beating Filip Krajinovic 6-1, 6-4, 6-1.
The 20-time major champion needed only 1 hour, 32 minutes to win. He has won the title in Australia six times and made the third round or better every year since his debut at Melbourne Park in 2000.
In women’s action, Serena Williams moved a step closer in her bid for a record 24th major title with a 6-2, 6-3 win over Tamara Zidansek to reach the third round at the Australian Open.
In other men’s action:
Defending champ Novak Djokovic (JOH’-koh-vihch) fired 16 aces in a 6-1, 6-4, 6-2 downing of Tatsuma Ito (tat-SOO’-mah EE’-toh). Sixth seed Stefanos Tsitsipas got a walkover into the third round when Philipp Kohlschreiber pulled out of their scheduled match because a muscle strain.In other women’s action:
_ Women’s No. 1 Ash Barty rolled into the third round with a 6-1, 6-4 triumph over Polona Hercog (poh-LOH’-nah HURTS’-ahg).
_ Defending women’s champion Naomi Osaka won her second-round match by overcoming swirling winds on Margaret Court Arena to beat Zheng Saisai 6-2, 6-4. American teenager Coco Gauff trailed 4-6, 0-3 before pulling out a three-sets victory against Sorana Cirstea to move into the third round against Osaka.
_ Two-time Wimbledon champion Petra Kvitova (kuh-VIH’-toh-vah) saved three set points in the second set before beating Paula Badosa 7-5, 7-5 to advance to the third round. Kvitova lost last year’s final here to Osaka.
_ Also advancing to the Round 3 were No. 14-seeded Sofia Kenin, No. 18 Alison Riske, No. 25 Ekaterina Alexandrova and Julia Goerges, who beat 13th-seeded Petra Martic 4-6, 6-3, 7-5.