Career
Oostendorp started his career at the Australian Institute of Sport and was soon signed by new A-League club Sydney Football Club. He has played for Marconi Stallions and Bonnyrigg White Eagles in the New South Wales Premier League. He has already represented his country at international level, playing 3 games for the Australian U-17"s during the 2005 Fédération internationale de football association U-17 World Championship.