For Roestbakken the postponement of round three offers a chance for her body to recover, after she played her first full 90-minutes since her injury earlier this year.

"It has been nice coming back in and I know [Laura] Hughes said 'you just slotted in quite well' and it kind of feels like I'm home, I mean I am home, but it just feels like I've been here all along. So it's been a really easy transition and I've loved it," she said.

"It was a big step going from 30 minutes straight to 90. So for me it's definitely good to have a little bit of a break now.

"It's obviously been a long time. So to get a decent amount of game time, it was really exciting. Unfortunately, we didn't get the win, but I'm just happy to make a personal goal and get through that 90."

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Canberra has lost both of their opening matches before they were granted a 12-day break due to Western Australia's border restrictions postponing their fixture against Perth Glory.

There is no dwelling on the losses, however, for the side as they look to their next match against Brisbane Roar on December 23.

Roestbakken is once again hoping to secure more minutes in the round four fixture, but acknowledged nothing was guaranteed.

If she does, she will hope it will be as right fullback.

"I love getting forward and I love going up and down the line. So I had a lot of fun [against Adelaide]," she said.

"Now we have a long period to work on and focus on the Brisbane game and really nail our goals that we want to set in place.

"Brisbane is never an easy side to play. Both of us haven't started the league the way we wanted to. So I think it's gonna be a really tough game, both of us are gonna come out firing and we don't want to be at the bottom of the table."

United's head coach Vicki Linton said the best was yet to come from the side, with 12 games left to play.

Roestbakken and American import Ally Haran backed Linton's comments that the league and fans could expect more from the side.

"We wish we could have had a better outcome but it's alright, it is what it is. We've moved forward, we're able to get out there at training this week and ... be able to get to the place that we want to be at," Haran said.

"So far, it's a super positive environment. I feel like we've been able to look back at the games and figure out what we actually need to work on. So hopefully we're able to implement those within the next week and move forward in a positive manner."

Haran teamed up with Lauren Keir in central defence, flanked by Roestbakken and Emma Ilijoski either side against Adelaide last week.

The 25-year-old said Canberra's backline was strong, despite the three goals they had conceded in the opening two rounds, and she loved having Roestbakken in the mix.

"Honestly, I really feel like we've got a good connection and strong movement. So I feel like we really gelled well together and hopefully can keep that as long as we can keep Karly," she said.

"I really think we have a lot of potential which is awesome. I mean even the girls coming in off the bench ... they bring such fire to the field that once we find that final connection, I really feel like we're going to be able to put a lot of good things together."