Serena Williams advanced to her fifth Australian Open women’s final today, beating China’s Li, 7-6 (4), 7-6 (1). The top seed dominated in the second-set tiebreak, the AP reports, winning with an ace after the 16th-seeded Li had twice saved match points. Williams will face either Justine Henin or Jie Zheng in Saturday night’s final. (More Serena Williams stories.)