Masato Tanaka (田中 正人, ring name: 田中 将斗, Tanaka Masato) is a Japanese professional wrestler, best known for his appearances with Frontier Martial-Arts Wrestling (FMW) in Japan where he was a one-time FMW Brass Knuckles Heavyweight Champion and a one-time WEW World Heavyweight Champion and in Extreme Championship Wrestling (ECW) in the United States where he was a one-time ECW World Heavyweight Champion. He is currently splitting his time wrestling for both Pro Wrestling Noah and Pro Wrestling Zero1 (Zero1). He is overall a ten-time world champion in major professional wrestling promotions.