 Yokozuna 's push continued , and he won the battle royal main event at Royal Rumble 1993 to earn a WWF Championship match against Bret Hart at WrestleMania IX . At WrestleMania , he defeated Hart to win the title belt . He immediately challenged <unk> Hogan to a match however , and WrestleMania ended with Yokozuna losing the WWF Championship to Hogan in 21 seconds . 
