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Ashleigh Barty's remarkable Hopman Cup win against Italy's Francesca Schiavone came as a surprise to most, but not her coach Jason Stoltenberg.

The Queensland teenager stunned the 2010 French Open champion on Thursday night with a blistering array of passing shots and clever court play in a 6-0 6-3 victory that was achieved in just 55 minutes.

Stoltenberg, who has been working with Barty since the lead-up to her junior Wimbledon win of 2011, said he was cautiously optimistic of the 16-year-old's chances in Perth.

"When I saw who she had to play, I thought 'yeah, this could be a great week'," Stoltenberg said.

"I just had a feeling it might be a really positive experience for her. To play these players and to play well and get a win will do her the world of good. I think she is going to walk out of here with a bit of a spring in her step."

Playing with composure beyond her years, Barty raced through the match against a shell-shocked Schiavone, who also struggled against German latecomer Tatjana Malek on Wednesday.

Barty didn't look out of place in a 6-2 6-3 loss to Serbian world No.13 Ana Ivanovic.

Last Saturday, Barty lost the first set against German Andrea Petkovic 6-4 before being awarded the match when Petkovic pulled out with a knee injury.

Stoltenberg, who coached Lleyton Hewitt to the 2002 Wimbledon title, said Barty's big week at the mixed-teams event had been a reward for hard work.

"I'm really pleased for her because she came here not really knowing what to expect," he said.

"It's a big call to come here and play against girls of that calibre. I thought she was well prepared but you never know."

Barty improved her ranking from a year-end mark of 669 in 2011 to 175 late last year.

She now moves on to the Hobart International next week before accepting a wild-card entry to the Australian Open.

Stoltenberg said although it would be easy to get carried away with his pupil's potential and what she achieved in 2012, the pair hadn't set any ceiling on what was attainable this year.

"Because she has won a lot as a kid and she seems to continue to win things that she probably shouldn't, it's pretty easy to get carried away," Stoltenberg said. "But she hasn't.

"I think if you'd asked her at the start of the (last) year, what would you expect, probably top 400 would have been great.

"She's 175. I think if she continues to learn and continues to get the experience as much as this week, hopefully it will take care of itself.

"I don't really have a number in mind of what I'm aiming for and I'm not sure she does."

Stoltenberg said he was extremely proud of his young charge and what she had achieved in Perth.

"It's not an easy road for any player and although she looks like she does it easy and she's kind of relaxed and casual, I know she's like any player," he said.

"She still feels the bumps like anyone else. I'm relieved for her and really proud of what she was able to do here.

"To see someone go out and grow in a week like I've seen this week, that's what I'm most happy about."

"It's a big call to come here …. I thought she was well prepared but you never know.""Coach *Jason Stoltenberg *