MELBOURNE, Australia (AP) If Rafael Nadal wanted a fitness test in the first week of the Australian Open, he got one in his almost four-hour, 6-3, 6-7 (4), 6-3, 6-3 win over Diego Schwartzman.
No. 3-ranked Grigor Dimitrov did it tough, too, before advancing to the quarterfinals at the expense of the last Aussie in the draw. Dimitrov avenged a loss two weeks ago to Nick Kyrgios with a 7-6 (3), 7-6 (4), 4-6, 7-6 (4) win over Nick Kyrgios on Sunday night. (MORE)