Wellington Phoenix head coach Darije Kalezic, left, and his now departed assistant coach Rado Vidosic pose in front of the new Phoenix logo in August.

Wellington Phoenix general manager David Dome insists the club is close to solving their on-field "jigsaw puzzle".

With the club last on the A-League ladder after 10 games and having lost players Gui Finkler and Dario Vidosic, and his assistant coach father Rado Vidosic, in the space of 12 days, the frustration and dismay from fans has just about peaked.

But Dome said those departures were necessary to ensure head coach Darije Kalezic has the proper support to take the club forward.

GETTY IMAGES Wellington Phoenix general manager David Dome says everyone at the club needs to be moving in the same direction.

"It's a difficult time with a coach and a couple of players leaving, but ultimately, no-one is bigger than the club.

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"We have to build a really solid base from which Darije can work from. He has done a good job of that and revitalised his backroom staff, we spent a lot of time getting that right, it's just about getting the results on the field right."

The issues with Rado Vidosic were understood to have been ongoing since pre-season.

Kalezic had tried to deal with them himself across two separate meetings with Vidosic, but took his concerns to club management on Monday after his relationship with Vidosic deteriorated further following the 1-0 away loss to the Perth Glory on Saturday night.

The club spoke with Vidosic on Tuesday and he resigned on Tuesday night, before it was announced on Wednesday.

The pair were at odds over several things, including their football philosophies and tactical decisions. Kalezic was understood to be of the belief that Vidosic was undermining him to several players.

Kalezic will address the topic at the pre-match press conference on Friday, although he might not divulge too many details publicly.

The club have backed Kalezic to take them forward and have started actively recruiting Vidosic's replacement. An announcement was expected before 2018.

The club is also close to announcing a replacement for Finkler, who took up an import slot. The player will come from one of the lesser leagues in Europe and can play anywhere in central midfield. His signing should be announced next week, pending a successful visa application.

Dome said they were moving quickly to ensure Kalezic had all the tools at his disposal to turn their form around.

"We're actively looking to see where we can strengthen. We're not sitting back and accepting 10th place. We're working hard to bring in players and put in the support staff Darije needs."

Dome said the start to the season has been "hugely disappointing" and that no-one was more frustrated about it than those at the club.

"We're all equally frustrated and I can assure you everyone is working extraordinarily hard to try and turn things around.

"At times, we've played very good football and Darije has identified where we need to improve and they're working pretty hard on that.

"There is always the next game, if we can win a couple we're not far off the six and we can get there.

"If we get a few of those positions right then we have a very good squad. We know that for a fact. We're not a million miles away. We haven't quite got the jigsaw puzzle sorted out yet but it's not far off."