Leicester City boss Marti Cifuentes spoke to BBC Radio Leicester after Saturday's 4-1 defeat by Queens Park Rangers.
"I'm really angry and really disappointed about the first half," he said. "We played below the standards and got punished.
"Credit to QPR, they did really well and it was exactly the kind of game that we knew they like – they were aggressive, they were strong and eager.
"The way we conceded three goals was very poor, and while the fourth one is a fantastic strike we didn't play well in the first half.