Blackburn boss Sam Allardyce described his team's defensive display as "diabolical" after the 4-2 defeat at Tottenham.
Gareth Bale scored twice and made one for Roman Pavlyuchenko while Peter Crouch got on the scoresheet for the first time in the Barclays Premier League this season.
Blackburn threatened to make a game of it late on when David Dunn's goalbound shot was deflected home by Ryan Nelson and Gael Givet added a second in the final minute.
But Allardyce said: "The game from my point of view as a defensive unit was diabolical and as an attacking unit very exciting.
"But it is no good gifting the opposition four goals before you start putting the ball in the back of the net. We are very disappointed about the way we defended.
"We gave ourselves too bigger mountain to climb by not doing the basic defending right, which is unlike us, unusual, but unfortunate, and we will just have to take it on the chin."