Petkovic was awarded the NSL goalkeeper of the year title in 1999, 2001 and 2002 and was awarded the Theo Marmaras medal in 1999 which is given to the best player in that season for South Melbourne.
Petkovic was recognized as the NSL goalkeeper of the year in 1999, 2001, and 2002, and received the Theo Marmaras medal in 1999, which is awarded to the top player of that season for South Melbourne.