What We're Watching on Day 5

Jelena Jankovic vs. Jie Zheng
Will Jelena stay awake? (She has mixed doubles later in the day, too...jeez.)

Tommy Robredo vs. Marat Safin
Can Marat calm down?

Lindsay Davenport vs. Marion Bartoli
Will Mom No. 1 stay alive?

Sybille Bammer vs. Tatiana Perebiynis
Will Bam-Bam's inevitable path to the championship take two sets or three?

Roger Federer vs. Thiago Alves
Novak Djokovic vs. Robert Kendrick
Which one -- Roger or Novak -- will look the stronger as they eye a semifinal meeting (they're back-to-back on Arthur Ashe)?