'Battle of the Sexes' trivia and fun facts

The age

In 1973, Billie Jean King was 29 and Bobby Riggs was 55. At the time of filming, Emma Stone was 28 and Steve Carell was 54.

Emma Stone may not have starred in the film

Emma Stone was initially cast as Billie Jean King, but scheduling issues forced her to pass on the role. Brie Larson was ultimately tapped to replace Stone. After a few months, Larson dropped out. After Stone's schedule was cleared, she was able to take back the role.

Emma Stone and Steve Carrell

This is the second time Emma Stone and Steve Carrell have worked together since 'Crazy, Stupid, Love'. (2011).