권투 경기에서 선수의 부상이나 기량 차이를 이유로 주심이 경기를 중단시키고 승패를 결정하는 일.
A ruling in boxing where the referee stops the match because one fighter is unable to defend themselves or is too injured to continue.
예문:
"The referee declared an RSC in the fifth round to prevent the exhausted boxer from taking more damage."
"He won the gold medal after the final bout was stopped by RSC."