Re: Why do some players only do well in slams then suck in tour events?
Not sure about the others, but Pironkova has benefited from easy draws throughout her career, except at Wimbledon, where she's a top-10 player.
Tsvetana Pironkova • Sabine Lisicki • Maria Sharapova
Christina McHale • Zheng Jie • Maria Kirilenko
Laura Robson • Petra Kvitova • Dominika Cibulkova
Special Mention: Jarka Gajdosova, queen headcase of the WTA