Another day, another upset. The US Open loses the women's No. 7 seed and one of its most visible stars after Eugenie Bouchard is ousted by Ekaterina Makarova.
Semifinalists Sam Stosur and Angelique Kerber belonged on Arthur Ashe Stadium, writes Viv Bernstein, but the men got center stage instead.
"Caroline in the City" has been renewed for another round. Wozniacki defeated Andrea Petkovic in straight sets to advance to the semis, where she'll face Serena.
Serena Williams passed another test Monday, looking impressive in her 6-3, 6-4 fourth-round victory over a resurgent Ana Ivanovic.