Disney’s Hercules: The Animated Series - Season 1, Episode 3: Hercules and the Secret Weapon
A short sequence featuring Athena and Ares in a boxing match with Athena getting punched.
Posts
B&V Friends Comics Double Digest #252
In the story "Punch and Beauty", Betty and Veronica sign up for a charity "Pillow Puff" boxing match. Short fight.
Being Ian - Season 2, Episode 35: Million Dollar Sandy
Ian and Tyrone convince Sandi to join the school boxing team, but the principal doesn't let her because she's a girl, so they disguise her as a boy. A montage of one-sided fights. She gives up in the final match.
Magnum Lily
https://pocket.shonenmagazine.com/episode/13932016480029189267 A new weekly manga about a high school girl who trains to become a boxer. Only in Japanese.
Hey Arnold! - Season 3, Episode 4b: Helga vs. Big Patty
Helga has a nightmare about fighting Patty. Ends with a POV punch by Patty.
Braceface - Season3, Episode 19: A Dog's Life
A couple of scenes with Maria doing kickboxing practice.
Daredevil/Echo: Parts Of A Hole or Daredevil - Vol. 2 #9
Features Echo in a one-sided, mixed boxing match.