A new chapter of South Australian football's fiercest rivalry begins on Friday.

The Adelaide Crows will go head-to-head against Port Adelaide in the first AFLW Showdown at Adelaide Oval.

"I just imagine scoring goals and the crowd going absolutely crazy," Port Adelaide captain Erin Phillips told reporters on Wednesday.

The first iteration of Showdown, the Adelaide derby, in the men's league began in 1997, just weeks before Phillips turned 12 - a birthday that once signalled the end of a girl's football career.

Now Phillips, having picked up her dreams of a football career at 31, will lead her side into Friday wearing the same colours her father and eight-time Port Adelaide premiership player Greg wore.

She will also face the side she won three premierships with for the first time.

"I spent many Showdowns in the stands absolutely hating the Crows and wanting Port to win," said Phillips.

"Who would have thought I would play for Crows? It still blows my mind."

Although Phillips says it will be strange playing against her former club of six years, come Friday they won't be friends.

"At the end of the day, I'm a competitor. As soon as that ball goes up, it's game on," said Phillips.

"I expect nothing less from Chelsea (Randall, Crows captain).

"There's definitely bragging rights that will be up for grabs."

The Crows sit second on the ladder compared to Port at 14th.

Last week, Adelaide made AFLW history yet again breaking the biggest winning margin record with a 96-point demolition, holding GWS Giants to one point.

The Power secured their first win against Sydney in a 66-point thumping in Round 4, bolstering Phillips' belief in the "hard Port footy" the club can play.

"The league is so tough," said Phillips.

"You've got to bring your best game every single time you step up.

"The season is short, every game is important, almost like finals.

"We'll give it a real crack.

"There's a breakfast and a coffee for Chelsea if we don't get the job done."