Melbourne, Jan 16 : World No.1 Simona Halep of Romania and former top-ranked women tennis players, Maria Sharapova of Russia, Angelique Kerber of Germany, Garbiñe Muguruza of Spain and Karolina Pliskova of the Czech Republic progressed to the second round of the Australian Open here on Tuesday. Two-time French Open runner-up Halep of Romania had to […]