Rusedski, who is working with the next wave of British male talent in his coaching role with the LTA, has stressed developing a style of play which will be able to succeed at senior level is more important than picking up trophies in the junior ranks.
British boys impressed in 2011, with GB having three of the four semi-finalists at the US Open, where Oliver Golding emerged as the champion, seven years after Andy Murray won the same title. Meanwhile, at Wimbledon, Liam Broady finished runner-up.
At 16-and-under level there was more success wiith the team of Luke Bambridge, Kyle Edmund and Evan Hoyt winning the Junior Davis Cup.
Bambridge, Edmund and Broady will all bid to win the junior Australian Open crown in the coming week but Rusedski, working as a pundit for British Eurosport during the tournament, is not putting too much weight on results in Melbourne.
"It's about transition, not always about winning junior events," he told Sportinglife.com.
"These players have potential but now it's a case of building a game for the seniors.
"That's a physical and mental challenge.
"They have to realise this. Once you've shown the potential and the ability it's about pushing through.
"Take Andy Murray. He didn't have the strength to compete at 17 but he worked hard in the gym to improve and he did."
Another Briton, Joshua Ward-Hibbert, will also compete in the junior event in Melbourne, but Hoyt will be missing due to a wrist injury.
Golding has now left the junior ranks, as has George Morgan, the Briton who won the prestigious Orange Bowl tournament in Florida in 2010.