The dates for the two semi final clashes in the FFA Cup have been announced, with the Melbourne derby headlining the semi final matches.

Melbourne Victory will host Melbourne City at AAMI Park on Tuesday October 25 for their first meeting in the Cup's three year history.

It'll also be the their second meeting in just 10 days, as the sides battle it out for bragging rights in Round 2 of the Hyundai A-League.

The other semi final pits the sole remaining Member Federation club up against A-League opposition, as Canberra Olympic host Sydney FC.

Olympic will host the Sky Blues on Wednesday October 19 at Viking Park in the nation's capital to see which team can win their way through to the FFA Cup final.

Semi-Final fixtures:

Wednesday 19 October - Canberra Olympic v Sydney FC - Viking Park, ACT. 7.30pm

Tuesday 25 October - Melbourne Victory v Melbourne City - AAMI Park. 7.30pm