One Night: Joshua vs. Ruiz is a documentary revisiting one of the greatest boxing upsets in decades – heavyweight champion Anthony Joshua’s defeat by virtual unknown Andy Ruiz.
The bout took place on June 1, 2019 at Madison Square Garden in New York City, New York.
After coming in as a 25–1 underdog, in a shocking upset, Ruiz Jr. won the match via technical knockout in the seventh round, ending Joshua’s undefeated record and becoming the new unified heavyweight champion. The fight is considered one of the biggest upsets in boxing history, drawing comparisons to Mike Tyson vs. Buster Douglas in 1990 and Lennox Lewis vs. Hasim Rahman in 2001.
Sylvester Stallone acted as executive producer of the film.
Summary via Wikipedia.