Marseille go into their Champions League match against PSV Eindhoven without a point from three matches, but playmaker Hatem Ben Arfa still believes his side can secure a top-two finish in Group D.
OM are looking to avoid a fourth straight pool defeat when they welcome the Dutch side to the Stade Velodrome on Tuesday.
With group heavyweights Liverpool and Atletico Madrid both currently on seven points, third place and qualification for the last 32 of the UEFA Cup looks to be the best Eric Gerets' men can hope for.
Ben Arfa has his sights set higher, though, saying: "We can win our last three matches in the pool. It will be difficult but we can do it.
"We will see if we have a chance to reach the last 16. We are taking each match as it comes and then we will see. You can't make any calculations.
"If we must go into the UEFA Cup, we will go there. But we want to win this important match against PSV - it is never good to have zero points in the Champions League."
OM were disappointing in their 2-0 defeat to PSV a fortnight ago.
That result, secured thanks to a brace in the final 19 minutes from tall striker Danny Koevermans, put Huub Stevens' side in the driving seat in the race for third place.
"We were tired and we didn't create many chances - we just didn't play our football," added Ben Arfa, who should recover from a slight muscle strain picked up in Saturday's 3-1 win over St Etienne in Ligue 1 to feature on Tuesday.
Gerets will be hopeful Mamadou Niang is available again, with a back problem causing the striker a few problems over the past couple of weeks.
Club doctor Christophe Baudot admits Niang needs a long period of rest but with a busy November ahead of OM, he said the medical team "were working hard to allow him to return as quickly as possible, so why not Tuesday?"
Vitorino Hilton (quadriceps) and Lorik Cana (knee) are nursing injuries but should feature.
PSV boss Stevens, whose side's only points of the group stage came in the win over Marseille, admitted he would happily take a draw away from the Velodrome.
"It will be a very difficult game," he said.
"The crowd in Marseille is fanatical and for them the only good result is a win.
"They are fighting for their last chance. I will be satisfied with a draw.
"After two wins in the Eredivisie over the past week the team is full of confidence."
Jan Kromkamp and Mike Zonneveld travelled with the squad to Marseille but both players are unlikely to start.
Nordin Amrabat and Jeremie Brechet are definitely out.