[['championship', 'champion (s)', 'previous champion (s)', 'date won', 'location'], ['iwa undisputed world heavyweight championship', 'bonecrusher', 'jay - cobs', 'january 29 , 2012', 'bayamón , puerto rico'], ['iwa intercontinental heavyweight championship', 'chris angel', 'diabólico', 'december 5 , 2010', 'bayamón , puerto rico'], ['iwa caribbean heavyweight championship', 'xix xavant', 'vacant', 'october 16 , 2010', 'aguas buenas , puerto rico'], ['iwa puerto rico heavyweight championship', 'noel rodríguez', 'vacant', 'december 5 , 2010', 'bayamón , puerto rico'], ['iwa world tag team championship', 'atomo & sonico', 'rick stanley & dennis rivera', 'november 20 , 2010', 'bayamón , puerto rico'], ["iwa world women 's championship", 'vacant', 'genesis', 'july 7 , 2010', 'bayamón , puerto rico'], ['iwa xtreme combat division championship', 'havok', 'lash', 'october 16 , 2010', 'bayamón , puerto rico']]
there has not been a contender who has Won back to back Championship
there has not been a contender who has [ENT] back to back [ENT]