Thiem, Kontaveit reach Aussie Open quarters for the 1st time

Estonia's Anett Kontaveit bounces her racket in frustration during her fourth round match against Poland's Iga Swiatek at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 27, 2020. (AP Photo/Dita Alangkara)

Austria's Dominic Thiem, left, is congratulated by France's Gael Monfils after winning their fourth round singles match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 27, 2020.(AP Photo/Andy Wong)

Austria’s Dominic Thiem celebrates after defeating France’s Gael Monfils. (AP Photo/Lee Jin-man)

MELBOURNE, Australia — Two-time French Open finalist Dominic Thiem is into the quarterfinals at the Australian Open, which is an all-new experience for him.