Just to let you know - according to a Slovene journalist in New York, Kata has officially decided to cross out singles and focus on doubles. Official "official" confirmation will come when she tells the decision to the WTA staff, which she will at the end of the season.
She's done just that now. Saying her shoulder can't handle longer singles matches anymore. But she also said she'll play in singles now and again as well, when she'll feel like it. So for example she'll try playing qualies in Auckland.