▁ ▁The ▁World ▁Rank ing ▁Masters ▁features ▁the ▁top ▁eight ▁men ▁and ▁top ▁eight ▁women ▁from ▁each ▁of ▁the ▁three ▁W T BA ▁zones ▁( American , ▁European ▁and ▁Asian ) ▁plus ▁one ▁male ▁and ▁one ▁female ▁bow ler ▁to ▁be ▁picked ▁by ▁the ▁host ▁- ▁a ▁total ▁of ▁ 2 5 ▁men ▁and ▁ 2 5 ▁women . ▁ ▁S ara ▁V arg as , ▁Colombia , ▁will ▁be ▁on ▁hand ▁to ▁defend ▁the ▁women ' s ▁title ▁while ▁K hal id ▁Al ▁D uby an ▁of ▁K uw ait , ▁the ▁ 2 0 0 6 ▁men ' s ▁World ▁Rank ing ▁Masters ▁champion ▁did ▁not ▁qual ify ▁through ▁the ▁Asian ▁rank ings . ▁ ▁As ▁tournament ▁hosts , ▁K eg el ▁and ▁USB C ▁joint ly ▁selected ▁Team ▁USA ▁members ▁Bill ▁Hoff man ▁of ▁Columb us , ▁Ohio , ▁and ▁Di andra ▁As bat y ▁of ▁Chicago ▁to ▁represent ▁the ▁United ▁States ▁in ▁the ▁event . ▁However , ▁just ▁before ▁the ▁start ▁of ▁the ▁tournament ▁Bill ▁Hoff man ▁had ▁to ▁unfortunately ▁withdraw ▁due ▁to ▁a ▁foot ▁injury . ▁Hoff man ▁was ▁replaced ▁at ▁short ▁notice ▁by ▁Team ▁USA ▁team - mate , ▁David ▁O ' S ull ivan ▁of ▁Or lando , ▁Florida . ▁ ▁The ▁K eg el / U SB C ▁World ▁Rank ing ▁Masters ▁will ▁have ▁a ▁first ▁prize ▁of ▁$ 1 0 , 0 0 0 ▁US ▁D oll ars ▁for ▁both ▁the ▁men ▁and ▁the ▁women ▁and ▁we ▁will ▁be ▁pay ing ▁down ▁to ▁