The 6-foot-11 Croatian, affectionately nicknamed Dr. Ivo in his playing career, hadn't played a match in two years.

Four mere mortals took on the task of facing down the Croat's notoriously big serve at the US Open.

It was a bittersweet day at the US Open, as the tournament bid farewell to two of its most likable players.

World No. 1 Novak Djokovic’s first-round opponent is an 18-year-old on a 13-match winning streak.

After overcoming some early struggles, the Swiss is now the all-time title leader there.

From holding all kinds of Grand Slam records to becoming the first tennis player to top Forbes’ list of highest-paid athletes, here are 39 things to know about the living legend.

The first round has produced some noteworthy moments over the years.