Sam Stosur in action during her third-round loss to Ash Barty at the Miami Open (Getty Images)

Barty too strong for Sam in Miami

Ash Barty saw off fellow Aussie Sam Stosur in under an hour at the Miami Open on Saturday.

Barty powered into the fourth round with a 6-0 6-3 win, dropping just one of the first 11 games before a late rally from Stosur.

Next up for Barty, the world No.11, is a last-16 meeting with seventh seed Kiki Bertens.

“When I play against Sam, it’s all about trying to work my way into her service games,” said Barty.

“I was able to do that early and she gave me a couple of cheapies and I got on a bit of a roll. It was disappointing to not be able to close it out cleanly, but I got there in the end.

“I think any win that you can get where you feel confident and in control on the court is a positive thing. I felt like I was very much in control of my game today. A few things went my way early, and that’s sometimes all it takes.”

Earlier in the tournament, Stosur maintained her unbeaten records against both Evgeniya Rodina and 17th seed Madison Keys, coming back from 4-2 down in the third set against the latter to score her biggest win – in terms of opponent’s ranking – in almost three years.