Previews: ATP Zagreb, Joburg, Santiago; Fed Cup
Notes: Croats Cilic, Ljubicic, Karlovic among seeds; Cilic could face Crazi Dani 2nd rd.; (4) Troicki opens against Schuettler, and (2) Ljubicic vs. Clement; Cilic beat Mario “Baby Goran” Ancic in last year’s all-Croat final; Ljubicic won in 2006.