Return On 100 - As of 2019-10-21 19:48:21, if a Sportbet Australia customer were to wager €100 on David Koch they would win the highest return of €4000 if this wager option is the winner. The second highest return on €100 is €3000 if "Pia Miranda" is bet and becomes the winner. Third highest return on €100 comes in at €3000 for wagering "Costa Georgiadis" should this option turn out to be the winner.