Hello and welcome to live text coverage of the US Open quarter-final between Tomas Berdych and Marin Cilic. The match is due to get underway on Arthur Ashe shortly.

GAME, SET AND MATCH! - BERDYCH 2-6 4-6 (4)6-7 CILIC. Cilic secures a first ever appearance in the US Open semi finals with a superb straight sets defeat of the sixth seed in just two hours and 12 minutes. In the end he comes through the tie break in style after completely outclassing Berdych in the first two sets. The Czech rallied in the third after an insipid overall display, but there's no doubt the better player won on the day. In the decisive TB the pair exchanged mini breaks with some tight, unforced errors early on before Cilic grabbed the advantage and served down an ace to lead 4-2. A double fault then let Berdych off the hook and he blazed a sizzling winner into the corner to level. But a forehand error into the net offered Cilic another chance and he rocketed in an ace followed by a stunning winner down the right side of the court to seal a superb success. Cilic will now face Gael Monfils or Roger Federer in the last four.

TIE BREAK! - BERDYCH 2-6 4-6 6-6 CILIC. A sensational crosscourt forehand bullets onto the line and pumps up Berdych in his bid to break. The Czech then angles a pick-up shot on the run just wide before Cilic drills into the net to trail 15-30. A venomous ace ties it at 30-30 and the Croatian nails another one down the T before securing the TB with another big serve Berdych can only return long.

BERDYCH 2-6 4-6 6-5 CILIC. The Czech seems to be using the anger over the double-bounce call to good effect and is finally playing the tennis we know he is capable of. A scorching forehand winner into the corner and a beast of a first serve do the major damage as he secures a love game to pile the pressure on Cilic once more. Can the Croatian force the tie break or will we see late drama with a set-winning break?

BERDYCH 2-6 4-6 5-5 CILIC. Aces 13, 14 and 15 do the bulk of the work for Cilic after he had dropped the opening point. A fourth big serve is then blocked into the net by Tomas and we're all square once again.

BERDYCH 2-6 4-6 5-4 CILIC. The Birdman takes an important game to 30 as Cilic fizzes a forehand just into the alley while trying to turn the screw. The sixth seed will aim to come out all guns blazing now to try and get the break that would clinch the set. It's easier said than done against a serve like Cilic's though!

BERDYCH 2-6 4-6 4-4 CILIC. The Croatian levels it up after enduring a couple of nervy moments on serve. At 30-30 Berdych is in the game but the 25-year-old 14th seed sears an ace down the T to edge ahead and then takes the next point. It's 4-4 and this set is anyone's once again.

BREAK! - BERDYCH 2-6 4-6 4-3 CILIC. It's a break back but it's shrouded by controversy! At 30-15 Berdych is in control but doesn't quite dig out a pick up shot as it bounces twice. The umpire calls it but the Birdman is livid and vents his anger at the official for a good couple of minutes. He insists it wax just one bounce, but the video replays show otherwise. The Czech completely loses the plot from then on and Cilic takes full advantage, reeling off the next two points to take the game.

BERDYCH 2-6 4-6 4-2 CILIC. Marin storms into a 40-0 lead but then begins to misfire again and plants a volley at the net long to be pegged back at deuce. This time he channels the frustration in the right way and plays two intelligent points to see of the Berdych challenge.

BERDYCH 2-6 4-6 4-1 CILIC. The Birdman maintain his dramatic improvement to move closer to reducing the arrears. A blistering rally concludes the game with both players scrambling from side to side before the Czech comes through to take it to 15.

BERDYCH 2-6 4-6 3-1 CILIC. Marin gets himself on the board, shrugging off the previous blip to resume normal service. It's a game to love and it's all rather simple.

BERDYCH 2-6 4-6 3-0 CILIC. That's the way to consolidate. Berdych takes a leaf out of Cilic's serving masterclass in the first and second sets to secure a perfect game. Has the tide turned? It's a long way back but Berdych has raised his game while Cilic has dipped. There's a different feel about the contest now.

BREAK! - BERDYCH 2-6 4-6 2-0 CILIC. An ace to kick off suggests it's business as usual for the 14th seed and he follows it up with a lovely pass to lead 30-0. However, a trio of woeful errors turn the game on its head and give Tomas a big opportunity. The Croatian forces deuce with a magnificent drop volley but then double faults to hand the Czech another opening. A huge first serve saves a second but when a third comes along Chila buckles and another DF hands Tomas the break he was praying for.

BERDYCH 2-6 4-6 1-0 CILIC. It's third time lucky for the Czech as he finally wins an opening service game. An ace gets him off to a flyer and as quick as a flash he's 40-0 up. A brilliant crosscourt winner pulls one back for Cilic but a double-handed hooked shot fools the Croatian following an intense rally to seal it.

SET! - BERDYCH 2-6 4-6 CILIC. The Cilic Express looks to be roaring on as he smashes down more big serves to rack up triple set point. However, a first double fault of the match and a shot on the run into the net set the nerves jangling. The Croatian takes a deep breath and then pulls off another strong serve that Berdych ends up returning long. The 14th seed moves to within one set of the last four after just one hour and 12 minutes.

BERDYCH 2-6 4-5 CILIC. A sensational lob digs Berdych out of a tricky predicament and gives him the platform to take the game to 30. At 30-30 Cilic arrows a deep forehand to the baseline and roars into the net to try to snare set point. It looks bleak for Berdych but he responds with the best shot of the match - bar none - to lob a stunned Cilic and go on to see it out. The Croatian will now serve for the set.

BERDYCH 2-6 3-5 CILIC. The Croatian shows no sign of any nerves, rocketing home another ace as he clinches the love hold. He's only dropped one point on serve in this set. Over to Berdych now to try and stay in it...

BERDYCH 2-6 3-4 CILIC. The sixth seed is forced to fight off another break point after looking in command at 30-0. A lovely low slice at 30-40 is too cunning for Cilic who fires long trying to dig it out and over the net. The Birdman finds refuge at deuce and then pulls off two big first serves out of the blue to stay in this, despite his obvious troubles.

BERDYCH 2-6 2-4 CILIC. That's too good. Once more there are some hefty serves from Cilic but there's also a touch of finesse in there. A dainty drop shot over the net leaves Berdych stranded and highlights just how confident the Croatian is right now. It's a perfect game once again as he hones in on a two-set lead.

BERDYCH 2-6 2-3 CILIC. That could be a really significant game in this match, particularly if Berdych finds his feet and comes back into it. At 40-15 he finally looks to have settled but the jitters come hurrying back and Cilic makes deuce with two deep forehands into the corner. A fifth double fault then gives the Croatian a break point but a big first serve gets Berdych out of trouble. The Czech has a few more wobbles at deuce and advantage but finally pulls off a big, big hold.

BERDYCH 2-6 1-3 CILIC. While Berdych struggles to find his first serve, Cilic is conjuring them up with splendid regularity. Another onslaught leaves the Birdman with very little opportunity and a love hold is confirmed with a sweeping forehand into the open court.