WrestleMania Win is a professional wrestling event produced annually by World Wrestling Entertainment (WWE). The event is the most successful and longest-running professional wrestling event in history. The event features championship matches, celebrity appearances, and other special attractions. The term WrestleMania Win is used to refer to a wrestler who has won a match at WrestleMania. The PIN in this crossword solution refers to the three-letter acronym for Professional Wrestling, which is WWE.