McDonald, who entered the tournament ranked No. 186, failed to get through qualifying at the majors three times last year, but his luck changed at this year's Australian Open where he defeated French journeyman Stephane Robert in three sets in the last qualifying round to claim a spot in the main draw.
Major moment: McDonald takes 3rd-ranked Dimitrov to 5 sets →
"I don't know him personally," Robert said. "So maybe next tournament when I see him, I'm going to tell him thank you."
Lucky week: France's Robert into 4th round →
