Sinner, Osaka through to the third round at Australian Open

Defending champion Jannik Sinner wins easily against James Duckworth while Naomi Osaka overcomes Sorana ‍Cirstea.

Two-time defending ‌champion Jannik Sinner has outclassed home wildcard James Duckworth 6-1, 6-4, 6-2 ‍to stroll into ‍the third round of the Australian Op...