Simplify the following text for a Grade 6 native English-speaking person.
Original: She was runner-up in the Australian Open mixed doubles partnering Mahesh Bhupathi where they lost 7 â `` 6 ( 4 ) , 6 â `` 4 to Sun Tiantian and Nenad ZimonjiÄ .
Simplified: She was runner-up in the Australian Open mixed doubles partnering Mahesh Bhupathi . Sun Tiantian and Nenad ZimonjiÄ ) won the final 7 â `` 6 ( 4 ) , 6 â `` 4 .