The two sides are going head-to-head on Tuesday for a place in the Premier League next season.
It is a match that is often dubbed as the most expensive game in the world, given what is at stake.
And with Brentford winning both their meetings in the regular season, Marcondes thinks the Bees have a physicological advantage.
"I think Fulham are fearing us because we have won against them two times (this season) and they haven't scored," said attacking midfielder Marcondes to reporters.
"I think we are favourites.
"We have won twice against them this season so I don't see why we shouldn't be favourites."