Ashleigh Barty wants it known she's not just the world No.1 but also one of the biggest fighters in tennis.

Barty will enter the new year very much as the hunted after a stunning 2019. But for all the trophies and accolades she accrued, it was Barty's remarkable come-from-behind record that underpinned her rise from outside the top 10 to year-end No.1.

Not only did she win a tour-best 57 matches, the 23-year-old racked up an unrivalled 13 victories from a set down.

Ashleigh Barty in the season-ending WTA Finals in China last month, where she won two matches after losing the first set. Credit:Getty

"I think that's an Australian quality. We all want to be known as fighters," Barty said. "I certainly want to be known, when my career is done, as someone who was respected by their peers, gave everything on the court and never kind of rolled over but played the game in the right spirit.