Started playing tennis aged six, hitting against a wall...Parents, Mitch (coached his son until 2009) and Sabine, immigrated from Bosnia and Herzegovina prior to Omar's birth...Won the 2014 US Open junior singles (d. Halys) and doubles (w/Nakagawa) titles - the first player to complete title 'double' since Javier Sanchez in 1986; Also is third Australian to lift the US Open junior title after Pat Cash (1982) and Bernard Tomic (2009)...Made his ATP World Tour debut in September 2014 at Kuala Lumpur.
(November 2014)