A bitterly disappointed Dave Jones admitted Blackpool's late equaliser was hard to take as Cardiff were forced to settle for a 1-1 draw at Bloomfield Road.
Paul Parry put the visitors ahead seven minutes from time but in the last minute of injury time Alan Gow rifled in a leveller.
"That was hard to swallow - five minutes of extra playing time in the second half when there was only three minutes in the first when more players were going down," said Jones.
"However, those minutes don't really matter. We should have closed the game down but instead for the first time in the match our defence backed off."
The manager continued: "The backing off meant that their player had time to chest it down, turn and shoot. It was a game we should have won. The conditions were difficult but we got the ball down and tried to play football."
Blackpool manager Simon Grayson said: "It has been a difficult three-match week for us and we began to look a bit leggy.
"Our creativity particularly in the opposition territory was not as good as it has been.
"There is a very fine balance between sides in the Championship and really we gave them a breakaway goal. Before that we defended well. They had the shots but very few troubled our keeper.
"I realised we had to take a bit of a gamble late on. I took off Steve Kabba and Ben Burgess, who have been so good for us of late, but it worked and Alan Gow scored a quality finish.
"We didn't sign him to play in the reserves but he is fit now and showed what he can do. The places are there to compete for."
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