also: フェア・プレー
fair play
Borrowed from English; used in sports, games, and general conduct to mean playing by the rules, showing sportsmanship, or acting fairly.
The referee encouraged fair play.
He always tries to play fair.
He is a player who always sticks strictly to fair play, no matter the match.
The coach instructed the players to try to play fair.
That team received the fair-play award.