UNCASVILLE, Connecticut Australia's Kostya Tszyu kept his World Boxing Council and World Boxing Association super lightweight titles, winning a unanimous decision over German Oktay Urkal here Saturday.

The Russian-born champion struggled to victory by judge's scores of 115-113, 116-112 and 116-113. Tszyu rose to 27-1 with one drawn. Previously unbeaten Urjal fell to 28-1, AFP reported.

Tszyu's victory set up a November 3 unification showdown here against unbeaten American Zab Judah, who earlier knocked out Denmark's Allan Vester in the third round to keep the International Boxing Federation version of the crown.