The 22-year-old has lost just 3 of 19 matches this year, two of which came at the hands of Roger Federer who Kyrgios has beaten on clay before.

Kyrgios commences his claycourt campaign as top seed at next week's Millennium Open in Estoril which Hewitt expects him to dominate.

"He can do well, especially with where his ranking's at at the moment. "He's going to be a nice seeding going into the French," the Cup captain told the RSN Breakfast Club.

"You've always got to be wary of dangerous floaters at the French Open because there's so many good claycourters, especially from Europe.

"So in some of those early rounds, he's got to be wary and pay that respect to those opponents, but he could easily get through to the fourth round and the the draw opens up and all of a sudden you're deep into the second week."

"He's got so much firepower that if he's serving well he's still able to serve through a slow clay court and get a lot of cheap points.

"And for a big guy; six foot four, he moves bloody well.”