 The main event was the 1989 Royal Rumble match won by Big John Studd, who last eliminated Ted DiBiase to win the match.Featured matches on the undercard were Jim Duggan and The Hart Foundation (Bret Hart and Jim Neidhart) versus Dino Bravo and The Fabulous Rougeaus (Jacques and Raymond Rougeau), Rockin' Robin versus Judy Martin for the WWF Women's Championship and King Haku versus Harley Race.In 1988, the World Wrestling Federation (WWF, now WWE) debuted the Royal Rumble match, a modified battle royal in which the participants entered at timed intervals instead of all beginning in the ring at the same time.