Chelsea are through to the Carabao Cup Semi-final after a dramatic late equalizer from Mykhailo Mudrky saw the Blues defeat Newcastle 4:2 on penalties.
The Blues who earned back-to-back victory for the first time under head coach Mauricio Pochettino last weekend after defeating Sheffield United 2:0, started the game on the front foot.
Conor Gallagher got the first real chance of the game in the 7th minute as he collected a rebound from the edge of the Newcastle 18-yard box before unleashing a strike that unfortunately came off Martin Dubravka's right-hand post.
Newcastle however broke the deadlock on the 16th minute after a catastrophic error from the Chelsea defender gifted the Toons their first goal, Badiashile with an absolute howler saw Callum Wilson stole the ball before slotting it past Petrovic.
Chelsea looked to restore parity before the start of the second half as Cole Palmer saw his shot well saved by Martin Dubravka.
Raheem Sterling was the most dangerous player for the Blues in the opening 45 minutes as he continued to terrorize the Newcastle defense with his pace.
The ex-Manchester City man's shot was blocked on the line by Newcastle's Bruno Guimaraes as the blues poured forward searching for an equalizer.
Pochettino was forced to make a change as Enzo Fernandez couldn't continue the game, and Armando Broja was brought on to replace the Argentine.
After their goal, the Newcastle team barely threatened the Chelsea goal as the Blues dominated possession.
Chelsea substitute Armando Broja thought he had given the Blues the equalizer but the goal was ruled out for offside by referee Jarred Gillett.
The first half ended with Newcastle leading through Callum Wilson's goal.
A host of changes were made at the start of the second half by Both managers as Malo Gusto was brought on in the place of Levi Colwill, while Emil Krafth was replaced by Kieran Trippier.
Anthony Gordon was the next to leave the pitch apparently picking up an injury that saw Matt Ritchie come on in his place.
Nickolas Jackson did hesitate to shoot after a neat pass from Armando Broja picked out the Senegalese forward but his efforts just missed the left side of the post.
Eddie Howe's team failed to muster any meaningful attack as they were pegged back after trying to protect their lead.
Christopher Nkunku made his long-awaited debut as he came on for Nickolas Jackson in the 69th minute, he was greeted by a round of applause from the Stamford Bridge fans.
The Blues would eventually get their equalizer as Conor Gallagher's cross was poorly cleared by Kieran Trippier with the ball falling to Mykhailo Mudrky who placed the ball past the outstretched hands of Martin Dubravka to level the score at 1:1.
After the 95th minutes were up, referee Jarred Gillett blew his whistle for full time as the game went into penalty.
Chelsea converted all their spot kicks from Cole Palmer, Gallagher, Mudrky, and Christopher Nkunku.
Petrovic who was standing in for the injured Robert Sanchez was the hero of the penalty shootout as he smartly saved Matt Ritchie's spot kick before Kieran Trippier placed his spot kick wide off the left-hand post.
Chelsea won the penalty shootout 4:2 as they progressed to the Carabao Cup semi-final.
The other Quarter-final clash between Fulham and Everton saw the Carven Cottage outfit triumph 1:2 on penalties.
There were few chances in the opening 45 minutes as both sides played a cagey game.
Despite the lack of chances, Fulham found themselves ahead before the break as an unfortunate own goal from Michael Kean saw the visitors go 1:0 ahead in the 41st minute of the game.
Jack Harrison tried to level things up for the Toffees but his efforts were brilliantly saved by Leno in goal for Fulham.
Harry Wilson saw a snapshot from the edge of the box go wide of Jordan Pickford's goal as chances were limited.
Alex Iwobi playing against his former side saw his mid-range strike comfortably saved by Everton goalkeeper Jordan Pickford.
Everton grabbed the equalizer through substitute Beto, who got on the rebound shot before producing a header that sneaked past Benard Leno in the Fulham goal.
Bernd Leno eventually ended the night as Fulham's hero in the shoot-out as he came out on top thwarting the efforts of both Amadou Onana with a nice reflex save before Idrissa Gueye saw his spot kick crash against the post to send the away fans into jubilations as they won 6:7 on penalties to book their spot in the Carabao cup Semi final.
Middlesbrough, the other side in the Quarter final of this year's Carabao Cup, defeated Port Vale 3:0 to book a spot in the Semi-final.
The away side raced Into a two-goal lead early in the first half as Port Vale had no answer to stop a dominant Middlesbrough side.
Jonathan Howes latched onto a perfect pass before unleashing a strike into the roof of the net past the Port Vale goalkeeper to make it 1:0.
Morgan Rogers doubled his side's lead 11 minutes later as he received a pass from Sam Silvera before striking a tremendous shot into the bottom corner of the net to make it 2:0.
Gavin Massey had Port Vale's best chance of the opening 45 minutes but saw a close-range strike go way over the crossbar.
Matt Crooks grabbed Middlesbrough's third goal as he beat the offside trap before receiving a neat pass and smashing the ball into the back of the net.
The game ended at 3:0 as Middlesbrough defeated Port Vale in a one-sided encounter booking their spot in the Carabao Cup Semi final.
EFL CUP RESULTS
Everton 1:2 Fulham* (pen)
*Chelsea 2:1 Newcastle (pen)
Port Vale 0:3 Middlesbrough
Semi-Finalists for the League Cup:
Chelsea
Fulham
Middlesborough
Liverpool/West Ham*
The Blues who earned back-to-back victory for the first time under head coach Mauricio Pochettino last weekend after defeating Sheffield United 2:0, started the game on the front foot.
Conor Gallagher got the first real chance of the game in the 7th minute as he collected a rebound from the edge of the Newcastle 18-yard box before unleashing a strike that unfortunately came off Martin Dubravka's right-hand post.
Newcastle however broke the deadlock on the 16th minute after a catastrophic error from the Chelsea defender gifted the Toons their first goal, Badiashile with an absolute howler saw Callum Wilson stole the ball before slotting it past Petrovic.
Chelsea looked to restore parity before the start of the second half as Cole Palmer saw his shot well saved by Martin Dubravka.
Raheem Sterling was the most dangerous player for the Blues in the opening 45 minutes as he continued to terrorize the Newcastle defense with his pace.
The ex-Manchester City man's shot was blocked on the line by Newcastle's Bruno Guimaraes as the blues poured forward searching for an equalizer.
Pochettino was forced to make a change as Enzo Fernandez couldn't continue the game, and Armando Broja was brought on to replace the Argentine.
After their goal, the Newcastle team barely threatened the Chelsea goal as the Blues dominated possession.
Chelsea substitute Armando Broja thought he had given the Blues the equalizer but the goal was ruled out for offside by referee Jarred Gillett.
The first half ended with Newcastle leading through Callum Wilson's goal.
A host of changes were made at the start of the second half by Both managers as Malo Gusto was brought on in the place of Levi Colwill, while Emil Krafth was replaced by Kieran Trippier.
Anthony Gordon was the next to leave the pitch apparently picking up an injury that saw Matt Ritchie come on in his place.
Nickolas Jackson did hesitate to shoot after a neat pass from Armando Broja picked out the Senegalese forward but his efforts just missed the left side of the post.
Eddie Howe's team failed to muster any meaningful attack as they were pegged back after trying to protect their lead.
Christopher Nkunku made his long-awaited debut as he came on for Nickolas Jackson in the 69th minute, he was greeted by a round of applause from the Stamford Bridge fans.
The Blues would eventually get their equalizer as Conor Gallagher's cross was poorly cleared by Kieran Trippier with the ball falling to Mykhailo Mudrky who placed the ball past the outstretched hands of Martin Dubravka to level the score at 1:1.
After the 95th minutes were up, referee Jarred Gillett blew his whistle for full time as the game went into penalty.
Chelsea converted all their spot kicks from Cole Palmer, Gallagher, Mudrky, and Christopher Nkunku.
Petrovic who was standing in for the injured Robert Sanchez was the hero of the penalty shootout as he smartly saved Matt Ritchie's spot kick before Kieran Trippier placed his spot kick wide off the left-hand post.
Chelsea won the penalty shootout 4:2 as they progressed to the Carabao Cup semi-final.
The other Quarter-final clash between Fulham and Everton saw the Carven Cottage outfit triumph 1:2 on penalties.
There were few chances in the opening 45 minutes as both sides played a cagey game.
Despite the lack of chances, Fulham found themselves ahead before the break as an unfortunate own goal from Michael Kean saw the visitors go 1:0 ahead in the 41st minute of the game.
Jack Harrison tried to level things up for the Toffees but his efforts were brilliantly saved by Leno in goal for Fulham.
Harry Wilson saw a snapshot from the edge of the box go wide of Jordan Pickford's goal as chances were limited.
Alex Iwobi playing against his former side saw his mid-range strike comfortably saved by Everton goalkeeper Jordan Pickford.
Everton grabbed the equalizer through substitute Beto, who got on the rebound shot before producing a header that sneaked past Benard Leno in the Fulham goal.
Bernd Leno eventually ended the night as Fulham's hero in the shoot-out as he came out on top thwarting the efforts of both Amadou Onana with a nice reflex save before Idrissa Gueye saw his spot kick crash against the post to send the away fans into jubilations as they won 6:7 on penalties to book their spot in the Carabao cup Semi final.
Middlesbrough, the other side in the Quarter final of this year's Carabao Cup, defeated Port Vale 3:0 to book a spot in the Semi-final.
The away side raced Into a two-goal lead early in the first half as Port Vale had no answer to stop a dominant Middlesbrough side.
Jonathan Howes latched onto a perfect pass before unleashing a strike into the roof of the net past the Port Vale goalkeeper to make it 1:0.
Morgan Rogers doubled his side's lead 11 minutes later as he received a pass from Sam Silvera before striking a tremendous shot into the bottom corner of the net to make it 2:0.
Gavin Massey had Port Vale's best chance of the opening 45 minutes but saw a close-range strike go way over the crossbar.
Matt Crooks grabbed Middlesbrough's third goal as he beat the offside trap before receiving a neat pass and smashing the ball into the back of the net.
The game ended at 3:0 as Middlesbrough defeated Port Vale in a one-sided encounter booking their spot in the Carabao Cup Semi final.
EFL CUP RESULTS
Everton 1:2 Fulham* (pen)
*Chelsea 2:1 Newcastle (pen)
Port Vale 0:3 Middlesbrough
Semi-Finalists for the League Cup:
Chelsea
Fulham
Middlesborough
Liverpool/West Ham*