AUSTRALIAN tennis is mourning the death of former teenage star Todd Reid, who has died aged 34.

The Herald-Sun reports Reid passed away on Tuesday. The cause of death is unknown.

Reid was signed to a contract with IMG at just 13 and rated Australian tennis’ next big thing after winning the 2002 Wimbledon junior title in a field including the likes of Marcos Baghdatis, Tomas Berdych and Jo-Wilfried Tsonga.

He was on the verge of breaking into the world’s top 100 in before being struck down with glandular fever in 2005.

He had pro in 2002 after winning the junior Wimbledon title and was the No. 3 player in Australia behind Lleyton Hewitt and Mark Philippoussis for the next several years.

His best year was in 2004, when he made it to the third round of the Australian Open, losing to eventual champion Roger Federer in straight sets. Reid achieved a career-high ATP Tour ranking of 105 the same year.