Denmark rallied from 3-0 down to draw 3-3 with Sweden in a Euro 2008 qualifier on Saturday in Copenhagen which was abandoned in the 89th minute when a fan attacked referee Herbert Fandel after he awarded the visitors a penalty.
The result of the Group F tie will not be confirmed until an investigation by Uefa's disciplinary committee following reports from their delegate and the referee, European soccer's governing body confirmed.
The Danish Football Association (DBU) said they would not protest if Uefa awarded Sweden victory. That would leave Denmark struggling in fourth place.
"This is a serious stain on the reputation of Danish football. We have had a low fence (around the stadium) out of respect for the crowd and this is the risk we've taken," DBU spokesman Lars Behrendt said.
The fracas began when Dane Christian Poulsen was sent off for striking Markus Rosenberg in the penalty area in front of a 42,083 capacity crowd at the Parken stadium.
Fandel awarded a penalty for Sweden but before it could be taken the fan rushed on to the pitch and attacked the German referee, who also handled last week's Champions League final between AC Milan and Liverpool.
Several Danish players stepped in between the attacker and Fandel, who immediately blew the whistle and walked off the pitch.
At least two more supporters forced their way on to the pitch after the incident.
Sweden went in front after seven minutes when striker Johan Elmander capitalised on a defensive mistake from Michael Gravgaard.
Petter Hansson added a second goal when he drove home a powerful free kick from long range.
Elmander grabbed Sweden's third after 26 minutes, using his heel to convert a cross from Christian Wilhelmsson.
Denmark, though, staged a fighting comeback with goals from Daniel Agger (34 minutes), Jon Dahl Tomasson (62) and Leon Andreasen (75).
Midfielder Poulsen said he regretted the damage his assault on Rosenberg had caused.
"My mind just went click and I hit him," he said. "I want to apologise to my team-mates and to the spectators."
DBU general secretary and Uefa disciplinary committee member Jim Hansen said he thought victory would be awarded to Sweden.
"It's very seldom we have this type of episode. In my mind there is no doubt we will be judged the losers," he said.
He also said he expected the DBU to be fined.
Fighting broke out between the two sets of fans after the game. Copenhagen police said they had 150 officers in place to keep order in the city.
Danish newspapers were united in their condemnation of the fan's intrusion.
"42,000 spectators were witnesses to Danish football's black day. A day where Denmark's self-image as a restrained and decent football crowd was jeopardised by a fool without self control", Jyllands-Posten wrote yesterday.
Danish media identified the attacker as a 29-year-old Dane living in Sweden and reported he was released after a hearing early yesterday.
Jyllands-Posten criticised the safety arrangements at Parken saying in an editorial it was depressing to think how serious the consequences for Denmark could be, but praised Fandel's decision to abandon the match.