Li Na demolishes Pennetta in 66 minutes

Melbourne - China's Li Na wasted little time in advancing to her fourth Australian Open semi-final with a seemingly effortless 6-2, 6-2 demolition of Flavia Pennetta on Tuesday.

The 31-year-old, who has reached two of the last three finals at Melbourne Park, blasted the 28th-seeded Italian off the court in 66 minutes with a strong first serve and barrage of powerful ground strokes.

Li Na of China hits a return to Flavia Pennetta of Italy during their women's quarter-final tennis match at the Australian Open 2014 tennis tournament in Melbourne. Picture: Petar Kujundzic. Credit: Reuters

Pennetta's service game also fell apart, winning 25 of 54 points on her own serve in the entire match, which allowed Li to jump out to a 5-0 lead in the first set and 4-0 in the second.

Li clinched victory with a forehand winner to set up a semi-final against either 14th seed Ana Ivanovic or Canadian Eugenie Bouchard, seeded 30th. - Reuters

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