There are nine nights before van Gisbergen is expected to turn out for Practice 1 at Sandown.
As of Thursday, van Gisbergen's team, Red Bull Ampol Racing, still expects the 31-year-old to take the wheel of his #97 Commodore ZB next weekend.
The 2016 series champion kicked off the 2021 Repco Supercars Championship with a clean sweep of the Repco Mt Panorama 500.
The team moved quickly to rule van Gisbergen out of this weekend's Fanatec GT World Challenge Australia Powered by AWS round at Phillip Island.
As of Thursday, van Gisbergen is slated to race at Sandown, per the team's initial statement following the 40-time race winner's successful surgery.
"Shane van Gisbergen is recovering from successful surgery on his collarbone after a mountain biking accident this morning," the statement read.
"The Red Bull Ampol Racing driver had a plate inserted during the routine procedure in Brisbane this afternoon and is expected to recover well.
"Van Gisbergen was due to race in the debut round of the Fanatec GT World Challenge Australia Powered by AWS series next weekend at Phillip Island.
The series leader is expected to compete at Sandown
"While medically he would likely be able to do so, the decision has been made to wait until the Sandown SuperSprint in two weeks to return to the wheel to allow more time for a smooth recovery.
"Jamie Whincup will take his seat alongside His Highness Prince Jefri Ibrahim in the no. 888 AMG GT3 Evo."
Back in 2016, the team had to make a call to withdraw Craig Lowndes from the Bathurst 12 Hour due to a similar injury.
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