The league announced earlier this week it would keep the divisive super shot and rolling substitutions rule in 2021, having trialed the changes this season.

A survey conducted by the Australian Netball Players Association showed 70 percent of players want the super shot's distance moved further back from the post.

They asked the league to review the 1.9-metre zone's dimensions, with players and coaches wanting time to test different distances at training and provide feedback.

But ANPA chief executive Kathryn Harby-Williams has since been advised by league boss Chris Symington the distance would remain the same.

"A strong majority felt it was only fair [the line] got pushed back. The benefit of that would have been if it was to go forward and the commercial elements supported that... then let's make sure we know what the best position for that line is and ensure all parties are happy with it," Harby-Williams said.

"We put that forward, but unfortunately it was news to us when the release came out that hadn't been considered.

"What we were hoping for was an announcement of the two-point shot being continued as another trial, hold back on the distance and get the players and coaches at their training sessions to provide specific feedback. That's never been done.

"It was imposed without any merit nor mock games. That was disappointing from our point of view because we thought our argument had some merit."

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Harby-Williams is also on the competition's committee with ANPA vice-president and Melbourne Vixens defender Jo Weston.

She said many players were shocked about the zone's inner distance and felt it was too easy to merit two points, being only three metres from the post.

In comparison, the Bushfire Relief charity match in March used the same outer-circle dimensions as Fast5 - which is 50-centimetres further out.

Former Diamonds coach Lisa Alexander says the super shot's distance should be similar to merit its worth.

"For me, it has to be. If you're going to make it worth more points, it's got to be fair dinkum and in a spot that's much greater," Alexander said.

"They decided to bring it in because they only brought in the rule a few weeks before [the season's start], so it was very difficult for people to change what they were doing.

"Now that's what people don't understand, all our shooters practice from all over the circle. They spend time in these long shots, I've watched [Caitlin] Thwaites do it every training session with the Diamonds. She would be practicing from the edge of the circle, it's part of what they do."

Alexander also raised concerns about shooting accuracy from the zone, with Vixen's Tegan Philips the most successful at 63.89 percent during the regular season.

The ANPA has written to the Super Netball Commission to research the rule's commercial impact on the league next year, to justify its future implementation.

The new rules will be reviewed again after the 2021 season.

"If they're going to change the fundamentals of our game going forward into next year, then we need to see some strong evidence that new fans have come to the game. And those current fans remain excited by the product," Harby-Williams said.

"We need to see the commercial impact is a positive one. It's been difficult given this year, but next year we need to see that data is supportive in a positive way if it goes forward.

"If there's positive signs and supporting evidence that there's a significant uplift in a whole lot of different areas, then it would justify it going forward. It's important that data is robust.

"The league is very aware of the players' expectations and we're looking forward to seeing how that plays out."