 Mann then signed with Sengoku Raiden Championship in Japan , to participate in their Featherweight Grand Prix . In the opening round , Mann faced Tetsuya Yamada and defeated him via unanimous decision ( 30 – 29 , 30 – 29 , 30 – 29 ) . During the first round of the fight , Mann was able to land powerful punches , before falling into a deep kneebar attempt from Yamada . After escaping , Mann was able to gain top position to end the first round . The second round saw Yamada attempt a standing Kimura , which was fought off by Mann , who was later able to take down Yamada twice , whilst fighting off a second kimura attempt . The final round saw poor kickboxing attempts by Yamada , which was countered by two takedowns . Finally , Mann looked to utilise an ankle lock , which was reversed into another kneebar by Yamada . After the third round ended , Mann was declared the winner via decision . 
