Before this year, Tomas Martin Etcheverry was 0-4 in Grand Slam main draw matches, and was 4-16 in tour-level clashes.
On Wednesday, the 23-year-old Argentine will be contesting his first major quarter-final, against No.22 seed Alexander Zverev, looking to improve his win-loss record for the season to an impressive 19-12.
A 7-6(8), 6-0, 6-1 triumph over an injured Yoshihito Nishioka on Monday night saw an emotional Etcheverry sink to his knees in celebration of a new milestone reached on the Grand Slam stage.
Here's what you need to know about the rising world No.49.