Pastel Memories - Episode 10: Goodbye, Nejiusa…

Nao Mejiro transforms into a character from her favorite boxing manga.

The Simpsons - Season 30, Episode 17: E My Sports

An attendee at the Conflict of Enemies championship is cosplaying as one of the game characters.

Legendary Star-Lord (2014) #8

Kitty Pryde beats Star-Lord with boxing gloves. Cover only.

Cloudy with a Chance of Meatballs - Season 1, Episode 8: Baby Brent Sitter

Baby Brent has Sam compete against Flint. Quick scene where she beats him in one punch.

Unknown Marvel Comic

Features Carol Danvers doing bagwork while being questioned by Maria Hill. Source?

Star-Lord (2017) #4

Single panel of Abigail Brand finishing a sparring session.