Beijing: Andy Roddick lost to South Africa's Kevin Anderson 4-6, 5-7 in the first round of the China Open on Monday, a defeat the sixth-seeded American called "unacceptable."
On the women's side, top-ranked Caroline Wozniacki rallied from a set down to beat Lucie Hradecka of the Czech Republic 3-6, 6-0, 7-5.
Roddick managed to handle Anderson's huge serve but struggled with his own and was broken in the seventh game to go one set down. The second set brought more of the same. While Roddick evened things up at 5-5, Anderson's momentum carried him through.