The test of his new credentials as a top-drawer NRL star won't get any tougher for Canterbury centre Jamal Idris than when he marks dual international Timana Tahu in next weekend's clash with Parramatta.

A barnstorming game form the 19-year-old earned Idris man-of-the-match honours in Friday's 36-18 win over Brisbane and Bulldogs coach Kevin Moore says his showdown with Tahu, who bagged two tries in the Eels' win over North Queensland, will tell a lot about his boom player's consistency.

"His last two weeks have been great so the challenge now is for him to do that again next week, he'll be lining up against Timana Tahu so it's a big test for him," Moore said.

Idris' rapid improvement is sure to spark talk he is ready for representative football, but Moore has warned the 115kg centre needs more time to cement himself as an elite first-grader.

"That's for the rep selectors to determine," Moore said.

"The important thing for Jamal at the moment is ... he just keeps working hard on his footy game and consistency's a big thing.

"It's something that we've spoken about.

"Last year he was probably a little bit up and down as 18-year-old kids in their first full season of football are and that's going to be the case for another year or two until he matures mentally.

"He's matured fairly well physically but it will take him just that little while to just come up week-in week-out and be able to play for 80 minutes."

The Eels' 24-18 win over the Cowboys in Townsville means the Canterbury-Parramatta clash next Friday will take on blockbuster proportions.

The two clubs, who drew more than 75,000 to their final at the same venue ANZ Stadium last September, have now put back-to-back victories together for the first time in 2010.

The Bulldogs will almost certainly need a new five-eighth after Ben Roberts suffered ankle ligament damage, with in-form benchmen Ben Barba and Blake Green the candidates to wear the No.6.

Scans have cleared lock David Stagg of any serious neck injury, while centre Josh Morris (eye socket) will be assessed on Monday.

Meanwhile, Brisbane winger Antonio Winterstein is likely to miss one week with a hamstring tear, while hooker Andrew McCullough is awaiting scans on a pectoral muscle injury.

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