Malaga are set to make a formal complaint to UEFA about the performance of referee Craig Thomson and his assistants during their 3-2 Champions League quarter-final second-leg loss at Borussia Dortmund on Tuesday.
Two injury-time goals gave Dortmund the most improbable of passages to the semi-final of Europe's elite competition, with replays showing several players from the Bundesliga team in offside positions in the build-up to the winner.
Malaga's director general, Vicente Casado, confirmed in a statement released on Wednesday that the club will be filing a written complaint with European football's governing body regarding the standard of refereeing in the match.
The statement read: "We are outraged about the injustice which this club has gone through. After having gone through injustice in the office, we have now had it on the field. This club will officially complain to UEFA about the refereeing.
"We are sorry that in a quarter-final at this level, with this performance from the players, and the game we have seen, the standard of refereeing was not at the level which the players and fans, of both Dortmund and Malaga, deserve. We are very outraged. Today not just Malaga lost, but football. Dortmund, just as much as Malaga, did not want to end the game like this.
"On the other hand we want to tell the people of Malaga that we will not fold, we will not fall. First we want to thank the players and the fans for showing up and keeping on fighting. We will lift ourselves up, and we want everyone else to do so too. We will keep fighting for a great Malaga. All the setbacks and injustices will not, I assure you, stop this fight.
"Our complaint will not be against UEFA, it will be against the level of refereeing, which was not at all up to the standard expected. The clubs are expected to be at a certain level of organisation, which is what we are doing. We also ask that the other things involved are at this level. One of these, the most important, is the refereeing."
The circumstances of the defeat also inspired Malaga's Qatari owner Sheikh Abdullah Bin Nasser Al-Thani to launch a stinging attack via his Twitter feed, claiming racism played a part in his side's exit, while also calling for a UEFA investigation.
However, UEFA general secretary Gianni Infantino dismissed Al Thani's claims on Wednesday, telling reporters: "UEFA is not taking any racist action against any club.
"Now depending on what he has said or not said... I can understand if you lose a match in the 93rd minute then the emotions come up and you say things you have not really thought through and should not say.
"I don't know how there could be any racist abuse from UEFA. How can he blame UEFA for racism when they [Malaga] lost the game from two late goals?"
Infantino added: "We will analyse his comments and the UEFA disciplinary inspectors will act if they have to act depending on what has been said."
Winger Joaquin, who opened the scoring for Malaga in Germany, has suggested that UEFA president Michel Platini may have had something to do with the loss.
"We suspect Platini and all the rest of them who are involved," Joaquin told Spanish radio. "Because we are Malaga and not Real Madrid it's easier to do this to us."
Platini and UEFA are already hugely unpopular in Malaga after the La Liga club were hit with a ban preventing them from competing in European competition from next season due to delays in payments to creditors.