MELBOURNE, Jan. 21 (Xinhua) -- Following are the collated results from Day 8 of the Australian Open on Monday:
Men's singles
Forth round
16-Milos Raonic, Canada, bt 4-Alexander Zverev, Germany, 6-1, 6-1, 7-6 (5)
28-Lucas Pouille, France, bt 11-Borna Coric, Croatia, 6-7 (4), 6-4, 7-5, 7-6 (2)
8-Kei Nishikori, Japan, bt 23-Pablo Carreno-Busta, Spain, 6-7 (8), 4-6, 7-6 (4), 6-4, 7-6 (8)
1-Novak Djokovic, Serbia, bt 15-Daniil Medvedev, Russia, 6-4, 6-7 (5), 6-2, 6-3
Women's singles
Fourth round
4-Naomi Osaka, Japan, bt 13-Anastasija Sevastova, Latvia, 4-6, 6-3, 6-4
6-Elina Svitolina, Ukraine, bt 17-Madison Keys, United States, 6-2, 1-6, 6-1
7-Karolina Pliskova, Czech Republic, bt 18-Garbine Muguruza, Spain, 6-3, 6-1
16-Serena Williams, United States, bt 1-Simona Halep, Romania, 6-1, 4-6, 6-4
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