J. Schieber enters the game and replaces P. Aubameyang.
90' +2
P. Aubameyang gets yellow.
Dortmund's defence have dropped deep as they look to cling on to their one-goal lead. Aubameyang gets a booking for a poor challenge just wide of the box.
90'
J. Hofmann enters the game and replaces H. Mkhitaryan.
Three minutes of stoppage-time to play at the Commerzbank Arena.
88'
The hosts aren't looking like pushing for a shock equaliser. Dortmund, if they defend with their heads swivelled on, should hold on until the end.
85'
Yep, that was becoming more and more likely in these last 15 minutes. The hosts had lost their momentum to the visitors and were clinging on to the game.
83'
T. Weis enters the game and replaces J. Flum.
P. Aubameyang has scored a goal for Borussia Dortmund! Assist by S. Kehl.
GOAL! It was coming! Dortmund get that vital goal! Kehl flicks on the corner at the near post and Aubameyang is waiting at the back post to head in to make it 1-0 at Frankfurt!
81'
It's all kicking off at the Commerzbank Arena as tempers flare. Trapp saves the hosts' blushes this time as the visitors pile forward.
79'
Grosskreutz blasts just wide from around 35 yards from a semi-cleared corner.
78'
SO CLOSE! Madlung gets in the way of Lewandowski's effort and it remains 0-0.
77'
M. Schmelzer gets yellow.
Minute
Description
76'
Indeed, it's definitely the visitors who have taken to pushing for the winner late on. Schmelzer's going in the book for hacking down Aigner though as Frankfurt tried to counterattack.
73'
Kehl is crossed the ball from a free kick at the far post but shoots over, although the flag was up for offside anyway. Dortmund edging back towards Frankfurt's goal.
72'
J. Flum gets yellow.
70'
Lewandowski takes his obligatory turn to go to ground in the box. Madlung arguably tripped him inside the box, although the Pole threw himself to ground. He probably put the referee off giving that with his theatrics!
69'
The game's been drained on entertainment value in the last 10 minutes, I'm hoping just temporarily.
67'
Zambrano's down on the floor AGAIN. The defender's spent more time on the ground than on his feet tonight! Once again, the defender's back to feigning injury after Kehl takes a tumble to ground with him in Frankfurt's box.
66'
The game looks back in the balance again. Frankfurt's head of steam has evaporated, apparently.
64'
Zambrano's shaky getting to his feet and has to be helped to the sidelines by two of Frankfurt's medical staff.
63'
Mkhitaryan tries his chances from 30 yards and thwacks Zambrano in the head with his shot. This time he has every right to tumble to the floor in agony! We'll have a minor break in play as he gets treatment.
62'
Less than a third of the match left to go and still it remains goalless. Extra-time remains a possibility and, increasingly, a probability.
61'
Lewandowski's booed back on after going to the sidelines for a second or two to get 'medical attention'.
60'
Zambrano and Lewandowski need to get themselves in a boxing ring and sort this out between them. The Pole's now taken his turn to go to ground after Zambrano elbowed the forward in the chest as he tried to close down Trapp. So much unnecessary handbags.
58'
BIG CHANCE FOR FRANKFURT! But it goes astray! Rosenthal crosses the ball in but once again Frankfurt cannot convert with the ball bouncing about inside the area.
56'
Dortmund trying to regain their stranglehold on the game but struggling. The momentum is certainly in the hosts' favour at the moment.
54'
Zambrano slips then goes down quite clearly feigning injury, although Lewandowski made the slightest bit of contact on his leg. The referee's had enough of the diving and goes over to have a word before giving Frankfurt the free kick.
52'
For the late-joiners amongst you, the winner of this one-legged cup tie will go through to the DFB-Pokal semi-finals.
50'
Jung, Jung, Jung, what was that?! He has acres of space, aeons of time, ample options inside the box, but the midfielder skews his shot well, well wide of the right post.
49'
Frankfurt have come out with real purpose in this latter half. It will be interesting to see if they can use this momentum to get on the scoresheet!
48'
A good run from Rode is followed by a bad pass by Aigner and Weidenfeller gets to take a goal kick for the visitors.
46'
J. Rosenthal enters the game and replaces V. Kadlec.
We're back under way at the Commerzbank Arena!
45'
Lewandowski selflessly lays the ball back from Piszczek's cross, but no Dortmund player can get to it. Klopp looks so frustrated with his forward's decision, but applauds the build-up play which was terrific.
44'
The crowd are getting restless as the visitors win another free kick, this time around the halfway line, Friedrich making the meal of a niggling tackle irritates the referee as well as the crowd, it seems!
42'
Ha, nice try Alex Meier. The Frankfurt attacker hold his head in his hands after headbutting the back of Manuel Friedrich during the corner. The referee isn't fooled and gives a free kick to the visitors.
41'
It's the Schwarzgelben's turn to defend as Frankfurt have a corner.
40'
Another Dortmund effort, another wasted shot off target. This time Grosskreutz lofts his attempt way over the crossbar just inside the Frankfurt area.
39'
Lewandowski and Zambrano have a little tiff on the touchline and the referee goes over to have a word.
38'
WASTED! Mkhitaryan should at least strike on target after some superb passing, but he skews his shot wide.
37'
Frankfurt could really do with a goal to get their confidence up. Dortmund are looking the better and more incisive side at the moment, but the hosts are showing plenty of fight.
35'
Jung hoofs clear after Aubameyang's pass threatens to fall perfectly at Lewandowski's feet from 16 yards out.
33'
S. Rode gets yellow.
Almost superb from Dortmund - Sahin looks like he's going to step up and take their 30-yard free kick but Aubameyang gets to the ball before him and curls marginally wide of the top-left corner.
31'
Dortmund get lucky then almost make Frankfurt pay! Rode gets his feet caught beneath him and fails to convert a pinpoint cross to his feet from the right wing. The visitors counterattack and almost score, as Trapp is forced to make a fine save from Grosskreutz's 25-yard effort.
29'
Lovely stuff! A great run by Aubameyang is found by Grosskreutz, but the Gabon forward's dink is intercepted by Trapp inside the box.
28'
Tenacious running from Mkhitaryan again as Dortmund try to expose any gaps in the Frankfurt backline, still to no avail.
27'
Klopp's patrolling the sideline in a maginificently fluorescent yellow coat and cap combo, clapping on his side.
26'
Flum is penalised for an apparent handball inside the centre circle. That's the third appeal for handball tonight - looks like it's a case of third time lucky!
25'
Constant Djakpa, who's been taking most of the hosts' set pieces so far tonight, tries to edge a cross into the box from the left, but the full-back's attempt is blocked and it's a throw-in to Frankfurt.
24'
This time Mkhitaryan's cross is whipped straight into the grasp of Kevin Trapp.
23'
Madlung blocks a sweeping Dortmund cross for a corner to the visitors. Aubameyang looks like he's headed over on the line but it took a deflection and it's another set piece to the away team.
22'
The home side are definitely trying to decrease the tempo somewhat but credit to Klopp's men for hustling and hassling die Adler in their own half.
20'
Rode slots a through-ball forwards but Stefan Aigner is offside and the linesman correctly raises the flag.
19'
Fantastic covering from Zambrano to get back and block Mkhitaryan after a weaving run towards the 18-yard box.
17'
Crikey, the pace on Aubameyang! The winger counterattacks with style down the right but his cross is clipped clear by the backtracking Frankfurt defence.
16'
Kevin Grosskreutz heads the ball behind his own goal after a deflected free kick. Dortmund still have the pressure firmly on them.
15'
S. Papastathopoulos gets yellow.
Now it's Sokratis' turn to go into the referee's book! The Dortmund player is booed loudly after pulling down Rode 25 yards from goal.
14'
M. Russ gets yellow.
Marcos Russ, in an unorthodox defensive midfield position for Frankfurt, hacks down Mkhitaryan just past the halfway line and he's deservedly yellow carded.
13'
CHANCE!! Pierre-Emerick Aubameyang takes advantage of the referee's silence after Sokratis Papadopoulos' questionable control with his hand at the back for Dortmund to sprint down the right and square for Mkhitaryan, but the attacker skids his effort inches wide of the post.
12'
Frankfurt midfielder Sebastian Rode, another player Bayern have agreed to sign at the end of the season, air kicks an effort to the right of goal and it's a goal kick.
11'
Over 10 minutes gone and we've yet to have a chance on goal, disappointingly.
10'
Lewandowski showing why Bundesliga champions Bayern Munich have poached him once this season's over, dribbling at Frankfurt's defence with real confidence. He's stopped in his tracks eventually by centre-back Carlos Zambrano, though.
8'
Johannes Flum flops to the ground in pain and the game's been paused as he receives medical attention. Looks like he might have twisted his left ankle, there was no foul from Lukasz Piszczek.
7'
Beautiful close-quarters control from Robert Lewandowski, who passes off to Henrikh Mkhitaryan but the Armenian is fouled swiftly afterwards by Frankfurt right-back Sebastian Jung.
5'
Now it's captain Sebastian Kehl who's penalised for a foul on the halfway line. Neither side passing with any real fluency yet.
4'
Dortmund have started on the back foot, with Marcel Schmelzer fouling to give the hosts a free kick from 45 yards. It's half-cleared before they earn a goal kick from a wayward through ball.
2'
So I guess the big question is can Armin Veh's men take advantage of Dortmund's injury-hit team? The jam-packed home crowd certainly sound like they believe, it's a great atmosphere at the Frankfurt stadium.
1'
And we're off! Eintracht Frankfurt get us under way at the Commerzbank Arena.
Welcome to Goal's LIVE coverage of this DFB-Pokal quarter-final between Eintracht Frankfurt and Borussia Dortmund! The clash kicks off at 20:45CET, so not long to go. I'm Miles Chambers and I'll be the guy guiding you through the German cup tie tonight.
The winner of this game will face either Hoffenheim, Wolfsburg, Bayer Leverkusen, Kaiserslautern, Hamburg or Bayern Munich in the semi-finals. The latter of those six are definitely the ones they'll be hoping to avoid!
Unlike the Coppa Italia or Copa del Rey, the DFB-Pokal is more like the FA Cup in that the quarter-final is a one-legged affair. The winner tonight goes through to the last four - none of this return leg malarkey.
Dortmund boss Jurgen Klopp said earlier in the week that the game was like a final to his Schwarzgelben side. They're without (deep breath) Neven Subotic, Ilkay Gundogan, Mats Hummels, Jakob Blaszczykowski, Sven Bender and Marco Reus tonight, all injured.
We're seconds from kick-off, now...
Half-time! No goals so far, Dortmund looking the better team but lacking in the finishing product. Frankfurt will be pleased with the half-time scoreline, while the visitors know they could be made to pay for their first-half profligacy. It's all to play for in the second half then!
Full-time! Borussia Dortmund are through to the semi-finals of the DFB-Pokal at Eintracht Frankfurt's expense. 1-0 it finished after Aubameyang's late header.
That's it from me, but stick around on Goal for the reaction to the quarter-final clash!
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