MELBOURNE, Jan. 23 (Xinhua) -- Following are the Australian Open results here on Tuesday (prefix number denotes seeding):
Women's singles
Quarterfinals
4-Coco Gauff, United States, bt Marta Kostyuk, Ukraine, 7-6 (6), 6-7 (3), 6-2
2-Aryna Sabalenka, Belarus, bt 9-Barbora Krejcikova, Czech Republic, 6-2, 6-3
Men's singles
Quarterfinals
1-Novak Djokovic, Serbia, bt 12-Taylor Fritz, United States, 7-6 (3), 4-6, 6-2, 6-3
4-Jannik Sinner, Italy, bt 5-Andrey Rublev, Russia, 6-4, 7-6 (5), 6-3
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