Arsenal boss Arsene Wenger has hit out at the display of referee Damir Skomina during Tuesday night's clash with AC Milan at Emirates Stadium.
The Gunners exited the UEFA Champions League in heroic style in North London after securing a 3-0 victory in the second leg of the last 16 tie.
Trailing 4-0 from what the Arsenal manager labelled a "shocking performance" in the San Siro three weeks ago, it was always going to take something special to turn the tie around and progress to the quarter-finals.
For a while at the Emirates it appeared the record books would be torn up as the Gunners reduced the deficit with first-half goals from Laurent Koscielny, the impressive Tomas Rosicky and Robin van Persie's penalty.
However, the second-half onslaught never came as Milan - who had somehow managed to go out to Deportivo La Coruna in the 2003/04 quarter-finals having won 4-1 at home, losing the second leg in Spain 4-0 - regrouped and were not really troubled during the closing stages, with only a scuffed close-range effort from Van Persie to show for Arsenal's industry.
Wenger was nevertheless left incensed by what he viewed as gamesmanship by the Milan players, with 21 fouls awarded against his side by Slovenian referee Skomina.
The Frenchman - who served a touchline ban at the start of this season's qualification stage for his outburst after the exit to Barcelona 12 months ago - is believed to have been involved in a heated exchange with the referee as they left the field.
Responding to a general question on the match officials in his post-match press conference, Wenger said: "I was not happy with the referee tonight because I felt he gave many free-kicks in the middle of the park.
"Every time they went down a free-kick was given for them, and they sensed that very quickly and they used it very well."
Wenger was also still annoyed by the manner of their humiliation in Italy, which came on a playing surface which had been re-laid just days before.
He said: "It is maybe an easy excuse, but I feel UEFA has a lot to answer for because if you arrive at 7.46pm you get fined, but you can play on a bad pitch and they don't say a word.
"I just feel it is part of the respect for people who pay their money and go to a football game and expect conditions where you can play football.
"That's what we try to do here and it is unacceptable for UEFA to accept pitches like the one in Milan."