Blackburn Rovers 2 Arsenal 1: Wenger plays blame game after Rovers loss
Robin van Persie's first goal since October 31, having been sidelined for five months with an ankle injury, had put the visitors ahead in the 14th minute.
However, they failed to deal with Morten Gamst Pedersen's corners on two occasions as David Dunn equalised from close range just before half-time and Chris Samba headed in from barely three yards after Fabianski failed to come and collect.
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Hide AdThe Poland international had endured similar trials at Wigan last month, when he conceded three goals in the last 10 minutes in a defeat which effectively ended Arsenal's title challenge.
But Wenger said no blame could be attached to his goalkeeper.
"There is no purpose to play the ball from the Blackburn players –they don't even watch the ball," he said.
"He (Fabianski) had two players in front of him all the time and every time it was to stop him getting the ball.
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Hide Ad"In football when you don't go for the ball and you stop the goalkeeper going for the ball it is a foul.
"They (Blackburn) do it well but when you feel that as a referee you have to give more protection.
"It doesn't take away the fact we weren't good but that is completely unfair."
An unrepentant Blackburn manager Sam Allardyce was, unsurprisingly, delighted to have irked his Arsenal counterpart.
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Hide Ad"If you expose the opposition's weaknesses enough then in the end those weaknesses will be exposed," he said.
"The amount of balls we put into the box on the goalkeeper, who has obviously been a weak link for them, paid off.
"We beat Arsenal fair and square.
"The referee gave some that were fouls, he gave some that weren't fouls.
"I'm not overly concerned about what Arsene says – he's said it before about my tactics."