Australian Open tennis results

MELBOURNE, Jan. 18 (Xinhua) -- Following are the results from the Australian Open at Melbourne Park on Thursday (prefix number denotes seeding):

Men's second round:

14-Novak Djokovic, Serbia, bt Gael Monfils, France, 4-6, 6-3, 6-1, 6-3

2-Roger Federer, Switzerland, bt Jan-Lennard Struff, Germany, 6-4, 6-4, 7-6(4)

Tennys Sandgren, United States, bt Stan Wawrinka, Switzerland, 6-2, 6-1, 6-4

Women's second round:

Maria Sharapova, Russia, bt Anastasija Sevastova, Latvia, 6-1, 7-6(4)

Hsieh Su-Wei, Chinese Taipei, bt Garbine Muguruza, Spain, 7-6(1), 6-4

21-Angelique Kerber, Germany, bt Donna Vekic, Croatia, 6-4, 6-1

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