After Nick Kyrgios dropped the first two sets to Grigor Dimitrov in their tense, back-and-forth fourth round match at the Australian Open, a spectator called out to him as he dejectedly walked back to the service line, "Pick your head up.".
Top-ranked Rafael Nadal and No. 3 Grigor Dimitrov advanced to the Australian Open quarterfinals in tough four-setters on Sunday. Nadal beat Diego Schwartzman to reach the quarterfinals here for the 10th time; Dimitrov ended Australia's hopes.
Fourth-seeded Elina Svitolina started her fourth-round match just before midnight Sunday at the Australian Open and was finished within an hour, beating Czech qualifier Denisa Allertova 6-3, 6-0 to reach the quarterfinals here for the first time.