Andy Murray is not resting on his laurels after a comfortable start at the Australian Open, with the world number two feeling there is room for improvement.
The third round looms for two-time grand slam champion Murray, who eased past home favourite Sam Groth 6-0 6-4 6-1 on Thursday.
Murray is yet to drop a set at Melbourne Park this year, but the four-time Australian Open runner-up is not completely satisfied with his performances after serving at just 57 per cent against Groth.
"There's some things I certainly could have done better. I could have served better, for sure. I didn't serve a high percentage of first serves. I could have done that better," he said.
"And from the back of the court, maybe because I wasn't hitting loads of balls, I wasn't hitting the ball from the back of the court as well as I did against [Alexander] Zverev. But a lot of things went well, too. The movement was good, anticipation. I felt like I closed the match out well.
"It's been a very good start, for sure. But I can still get better, I think."
Murray, though, was pleased with one aspect of his game against the big-serving Australian on Rod Laver Arena.
"I returned good. He didn't start the match off serving that well, which helped. Because I was returning well, that maybe put some more pressure on him," Murray added.
"He didn't really start serving well or how well he can serve until maybe middle of the second set. Then made it tougher there.
"But I returned good and passed and lobbed well. That's what I needed to do to get the win."