Learner Tien celebrated his shock Australian Open victory over three-times runner-up Daniil Medvedev in true teenage fashion, seeking out a well-earned pizza after edging a five-set thriller to progress to the third round.
The 19-year-old American qualifier, making his debut at the year’s opening Grand Slam, worked up a huge appetite during an almost five hour-long tussle with the Russian on Thursday, before pulling off a major upset against the
