Before the Australian Open could even reach its second week, promising tennis stars began making a beeline to the exit door. It started with Serena on Sunday, Maria on Monday, Djokovic, Ferrer and Ana Ivanovic on Tuesday and on Wednesday morning, the defending champion and confident-looking Victoria Azarenka has been done in by the fifth seeded Agnieszka Radwanska of Poland. Radwanska played dominant tennis and except the fight in the second set, proceedings went in her favor, with a clinical 6-0 whitewash in the final set. Radawanska had taken the first set too, with relative ease as the score line of 6-1 would indicate. Vika, however, put up a semblance of resistance in the second set, which finished at 7-5 in her favor. The Polish star put a stamp of her authority in the match at the Rod Laver Arena, where a packed crowd watched the helpless second seed, Azarenka