Australian wildcard Rinky Hijikata blasts into US Open final 16

• Hijikata notches 6-3, 6-3, 4-6, 6-3 victory over Zhang Zhizhen
• Australian into final 16 and top 100 for first time in career

Australian wildcard Rinky Hijikata has continued his audacious run through the US Open draw to charge into the fourth round at Flushing Meadows.

Hijikata resisted a stirring fightback from Chinese trailblazer Zhizhen Zhang to post a 6-3 6-3 4-6 6-3 victory over the world No 67 and scamper into the last 16 at the season's final grand slam.