The 30-year-old opener strode confidently into a net session on Wednesday morning at Great Barrier Reef Arena, just after his Queensland teammate Marnus Labuschagne fine-tuned his preparation for the second Test against Bangladesh which starts on Saturday.
Renshaw, who is set to open with Travis Head, replaced axed opener Jake Weatherald who failed to fire in the nine-wicket loss in the first Test in Darwin.
Wicketkeeper Alex Carey, who will play his 50th Test match, said he had been impressed with the all-round development of Renshaw and believed he was ready to impressively add to his 14 Tests, which have yielded 645 runs at an average of 29.31.
"Renners is in a really good place mentally and his cricket is showing that," Carey said.
"He has got a young family now and he has played some (international) white-ball cricket so he is has been around the group a fair bit the last couple of years.
"Every challenge that has come his way he has really stood up to it. I'm looking forward to seeing Renners out there alongside Trav."
Renshaw, whose solitary Test century was 184 against Pakistan at the SCG in 2017, is a vastly different player to the 20-year-old who made his Test debut back in 2016.
He has transformed his formerly stodgy style and is now an imposing figure with shots all around the ground.
His overall success in T20 and 50-over cricket has clearly helped evolved his game but the Queenslander can also adapt.
Renshaw's most recent nine innings include six ODIs against Pakistan and Bangladesh and three T20 outings against Bangladesh, all played away.
An unbeaten 89 against Bangladesh in a T20 international was the best of a modest list of scores but his previous Sheffield Shield season was key to understanding why selectors have backed him.
Renshaw made 499 runs at an average of 49.9 with three centuries when other batters struggled.
"Renners has definitely matured as a cricketer, as you do when you move into your 30s as you learn a lot about yourself, the game and the challenges that come with that," Carey said.
"He got the balance between attack and defence and opens the batting for Queensland in Sheffield Shield cricket.
"There has been a lot made about the wickets produced the last couple of years so for him to score three hundreds last season (shows) he has got the game for all conditions."
It was tough for Carey to watch his South Australia teammate Weatherald get dropped.
The 31-year-old had made technical adjustments since last summer, but the changes were not convincing in Darwin while making 23 and a duck.
It was a lack of runs - 224 in six Tests - that ultimately cost Weatherald his position.
"It is obviously always difficult when someone is dropped from a team," Carey said.
"I flicked him a message yesterday and obviously gave him all my support and look forward to him bouncing back in a big way in South Australian colours.
"Hopefully he can lead us to another Shield final and also find his way back into the team."
Carey said the loss in the first Test had steeled the group for a compelling response.
"We are a proud group of cricketers and obviously last week didn't go to plan," he said.
"When this team has been challenged we always find a way to bounce back in a big way. I am looking forward to Saturday."
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