Navone's win was memorable for what the 24-time Grand Slam champion showed on the outside. For Navone, the inside was key.

Novak Djokovic grinded through physical and internal ailments, made one mistake after another and could not find what it took to beat a feisty, younger opponent who was not…

Djokovic lost having vomited and winced through a match that leaves him facing an uncertain future.