MELBOURNE, Jan. 17 (Xinhua) -- Following are the results from the Australian Open at Melbourne Park on Wednesday (prefix number denotes seeding):

Men's second round:

1-Rafa Nadal, Spain, bt Leonardo Mayer, Argentina, 6-3, 6-4, 7-6(4)

17-Nick Kyrgios, Australia, bt Viktor Troicki, Serbia, 7-5, 6-4, 7-6(2)

6-Marin Cilic, Croatia, bt Joao Sousa, Portugal, 6-1,7-5, 6-2

Women's second round:

2-Caroline Wozniacki, Denmark, bt Jana Fett, Croatia, 3-6, 6-2, 7-5

4-Elina Svitolina, Ukraine, bt Katerina Siniakova, 4-6, 6-2, 6-1

7-Jelena Ostapenko, Latvia, bt Duan Yingying, China, 6-3, 3-6, 6-4

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