Sydney coach Frank Farina had a drink thrown over him and disgruntled fans staged a mass walkout, as the slumping Sky Blues created an unwanted piece of club history on Saturday with a 3-0 home loss to Adelaide.

It was the first time Sydney have suffered three straight home losses and the result enabled Adelaide to leapfrog them into fifth on the ladder and record just their second win in 10 away games.

First-half goals to Bruce Djite and Fabio Ferreira, plus a late strike from substitute Jeronimo Neumann, sealed the points for surging Adelaide, who have lost just one of their past nine games.

Sydney, who have won only one of their past eight, could fall to as low as eighth, depending on Sunday’s results.

A big banner with the wording “We want Farina gone” was raised in The Cove, Sydney’s main supporter area, before the game and the atmosphere soured even once on-field action commenced.

The two goals added to the tension and a fan was escorted out by security officials after drenching Farina with a drink.

Fans started leaving after 20 minutes and much of the Cove area emptied at half-time with disenchanted supporters taking their protests outside the stadium.

Adelaide dominated possession early, though Sydney squandered the first good chance with Hagi Gligor blazing over from close range.

Djite threaded a shot into the net in the 12th minute following good lead-up work from Isias and Ferreira.

Adelaide doubled their lead when Ferreira latched onto a downfield clearance by Michael Zullo from a Sydney corner and outmuscled Gligor before lashing the ball into the net.

Marcelo Carrusca also smashed a shot against the post as Adelaide dominated against a shellshocked and despondent home team.

Sydney created a couple of chances as Branko Despotovic had a strong shot pushed away by Eugene Galekovic and Alessandro Del Piero curled a free-kick wide.

Sydney were far more competitive after the break, creating several chances as Adelaide appeared content with what they had.

Del Piero put a free-kick just over and had a cheeky chip well taken by Galekovic, while Despotovic missed a couple of good chances and Corey Gameiro also blasted over.

Adelaide swelled their lead when Jeronimo tapped in from close range late on.