In the 2006 World Baseball Classic , they defeated Cuba in the finals and in 2009 World Baseball Classic Japan defeated South Korea in 10 innings to defend their title .
Japan has won the World Baseball Classic twice since the tournament was created .
In the 2006 World Baseball Classic , Japan defeated Cuba in the finals and in 2009 World Baseball Classic Japan defeated South Korea in 10 innings to defend Japan 's title .
Japan has won the World Baseball Classic twice since the tournament was created .