It's all over! Full-time: Chelsea 1-0 QPR. It wasn't easy but Kalou's goal has put Chelsea into the last 16 of the Carling Cup. Stay with us here on Goal.com to view the full match report as well as coverage from all the other action that has been going on tonight.
Leigertwood shoots from distance! Over the bar! That could be the last chance of the match for the visitors!
QPR deal with Borini's threatening cross, but they need to be up the other end with time running out...
Terry heads away Leigertwood's ball in and it looks like the Blues are going to win here.
Good effort by Joe Cole, but Heaton is there to save to keep his side in with a chance!
Ivanovic is equal to Borrowdale's cross.
Chelsea force a corner, but Joe Cole's delivery is comfortably cleared.
Buzsaky misses the target with another ambitious free-kick. Time running out for the visitors but they have given Chelsea a run for their money tonight.
Substitution Sam Hutchinson John Terry
John Terry comes on for Hutchinson to take his place in the heart of Chelsea's defence. The fact Terry, Ashley Cole and Lampard have all came off the bench shows how much respect the Blues have for their opponents.
Taarabt's ball in is well dealt with by Ivanovic.
After Ferreira clears a QPR corner, the Championship side make two substitutions as Pellicori and Ephraim come on.
Into the last twenty minutes now. This game has had excellent spells but others that have been very quiet. Can QPR find an equaliser or will Chelsea add to their lead?
Substitution Yuri Zhirkov Ashley Cole
Time for a Chelsea change now, and Zhirkov's debut is at an end - Ashley Cole comes on.
Substitution for QPR as Vine is replaced by Adel Taarabt.
OOH!! Almost an equaliser! Buzsaky's long-range effort is tipped round the post by Hilario. The resulting corner is cleared by Belletti. Good stuff from the visitors.
Simpson shoots wide from the edge of the box, end-to-end stuff here!
Great chance for 2-0! Borini's effort from inside the box is punched away by Heaton, who has had a good night so far.
Buzsaky is in the action again for QPR but Borini clears his corner.
QPR look to respond but Ivanovic clears a threatening free-kick from Buzsaky.
Joe Cole with the assist - he found Kalou from the left hand side and the Ivorian made no mistake with a placed finish into the bottom corner from 12 yards.
Goal Salomon Kalou
GOALLL!!! The deadlock is broken and it is by Chelsea. Salomon Kalou scores!
Both Cole and Kalou get the ball into QPR's box, but both times the home team's attacks come to nothing.
Vine gets an early cross in but Hutchinson is equal to the danger and clears.
Substitution Florent Malouda Frank Lampard
Half-time substitution from Carlo Ancelotti. Frank Lampard comes on and replaces Malouda. The second half is under way!
After that late drama it's half-time! Still 0-0 at Stamford Bridge, but the hosts have been the better side.
Chelsea force a late first half corner, but Malouda's ball in is cleared by Stewart.
Great effort from Belletti! Heaton is at full stretch to tip his long-range free-kick round the post!
Nearing half-time now and it looks like QPR are going to go in level with their illustrious neighbours.
Belletti has a go from a ridiculous distance and gets what he deserves - nothing.
Good spell from QPR in response to those Chelsea chances here. This time Leigertwood shoots over from 20 yards.
Hilario makes a comfortable save from Faurlin's long-range effort.
Chelsea miss two good chances! Firstly Malouda sweeps a shot wide from the edge of the penalty area, before Cole misses the target from close range after good work by Ferreira!
Malouda's cross is well dealt with by the QPR defence.
It has been a very quiet ten minute spell, from a lively start this game is becoming poor - needs a goal to liven things up but Championship side QPR will be pleased with how things are going.
Joe Cole beats a man and tries to put a cross in, but his efforts come to nothing.
A scrappy spell here, with both sides being caught offside and a number of fouls disrupting the play - still 0-0.
The game slows down after what had been a frantic start with action at both ends!
Kalou and Rowlands have attempts at opposite ends of the pitch, but neither come close to scoring.
Malouda shoots from distance but fails to trouble Heaton, who looks like he will be in for a busy night.
Chelsea force two corners in as many minutes, but QPR are able to deal with both of them.
Chelsea go close! The debutant Zhirkov gets a good cross into the six-yard box but Borini can't find the target with his header.
Jay Simpson shoots over the bar from inside the area, lively start here!
Heaton is forced into action again as he saves from Kalou, one of the more senior Chelsea players playing tonight.
Leigertwood gets a threatening cross into the Chelsea box, but Hutchinson clears.
Early chance for Malouda as he shoots from the edge of the box but Heaton makes a comfortable save.
We have kicked off at Stamford Bridge.
Times In BST
Live Final scheduled Suspended Cancelled Postponed