Rome - Second seed Maria Sharapova, winner of the last two editions, started with a 6-2, 6-2 defeat of Spain's Garbine Muguruza on Wednesday at the Rome Masters.
No 3 Victoria Azarenka was equally untroubled by Julia Goerges beating the German 6-2, 6-0.
Former Roland Garros winner, and fifth seed, Li Na won a battle with Chinese countrywoman Zheng Jie 6-3, 6-1 while Australian ninth seed Samantha Stosur, the 2010 beaten finalist in Paris, beat China's Peng Shuai 7-6 (7/5), 6-0.
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