Good evening and welcome to our live coverage of top-seed Caroline Wozniacki's quarter-final clash with Dominka Cibulkova! Wozniacki is the overwhelming favourite to advance to the semi-finals tonight, after her impressive, straight-sets victory over Maria Sharapova in the fourth round, and having already beaten Cibulkova twice this year. The Slovakian won't be a pushover, however, having ousted 11th-seed Svetlana Kuznetsova in the fourth round.

C. Wozniacki vs D. Cibulková | US Open

Women's Singles | Quarter-final | 07.09.2010 | New York

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C. Wozniacki (1)

D. Cibulková

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7-5

WINNER! Cibulkova - rather appropriately - mishits her final shot to hand the game, set, and match to Caroline Wozniacki! The Dane proved too consistent, and too strong for Cibulkova tonight, with the Slovankian's route-one game plan failing to pay off in the horrendous conditions. She'll face

6-5

BREAK! Cibulkova wobbles under that pressure, clipping the net at 30-30 and seeing the ball drop agonisingly in her own half of the court. She runs out of patience in the ensuing rally, and hammers a backhand into the tramlines to offer up a potentially fatal break!

5-5

Wozniacky follows up with a quick-fire hold to 15 of her own, forcing the pressure back onto Cibulkova's shoulders.

4-5

Cibulkova has really got her act together in this set, however, slamming another forehand past Wozniacki to hold again. She's already hit twice as many winners in this second set than she did in the first - 12 - and Wozniacky will be less than pleased at the number of times she's watched the ball sail past her in the last hour!

4-4

That's a good response from Wozniacki, re-finding her composure to secure a hold of serve to 30. This set is closing in on the hour mark - almost double the time it took Wozniacki to win the first set already!

3-4

Wozniacki thinks she's forced deuce on Cibulkova's serve with a backhand right onto the baseline. It's first called out, then corrected and called in, and then challenged by Cibulkova! The replay shows the ball clipping the line, but Wozniacki takes exception to the umpire's decision to have the point replayed, despite the fact that Cibulkova couldn't return the shot in question. The Dane argues repeatedly with the umpire, before seeing Cibulkova wrap up the hold on the replayed point.

3-3

Wozniacki romps to 40-0 with some more consistent hitting, before batting a forehand into the net from the baseline to offer Cibulkova a way back into the game. The world number two quickly slams the door shut, however, with a dipping forehand onto the sideline, which Cibulkova just can't get to.

2-3

Cibulkova continues to scrap, as Wozniacki gives the Slovankian another hold of serve with some lacklustre groundstrokes into the net. The conditions are close to farcical on Arthur Ashe, with both players continue to struggle against the swirling wind. Wozniacki retreats to her chair, and the physio comes out to take a look at her right ankle.

2-2

Much better from Wozniacki, who came out hitting with greater purpose in the fourth game. She seals a much more comfortable hold of serve to 15, but immediately asks for the physio to bring out some supportive tape at the next change of ends...

1-2

Cibulkova has sunk her teeth into this match now, hammering a backhand winner from the net to take the lead. We're just about to hit the hour mark for the match, and Cibulkova has not hit twice as many winners as the top-seed Wozniacki.

1-1

BREAK! Wozniacki earns a couple of game points, but Cibulkova claws them both back with some blistering shots, before securing a break with some enormous hitting from the baseline. It's a real battle of philosophies on Arthur Ashe at the moment, with Cibulkvoa seemingly committed to aggressive, spectacular tennis, and Wozniacki content to keep batting the ball back. It worked for the Dane in the first set, but Cibulkova is finally finding some consistency, and is right back in this set!

1-0

BREAK! Cibulkova lands a couple of aggressive forehands into the tramlines to give Wozniacki her first break points of the second set, but saves them both with some tremendously powerful forehands to the baseline. A lengthy battle from deuce ensues, before Wozniacki finally makes the breakthrough by just keeping the ball in play, and waiting for Cibulkova to err.

6-2

SET! Wozniacki holds on to serve out the opening set after just 36 minutes! It's far from vintage tennis out there, but Wozniacki has been just about solid enough to merit the single set lead.

5-2

She managed it then though! Sensational hold to 15 from Cibulkova, spraying the ball from sideline to sideline and battering Wozniacki back to the corners. She seals her first hold of serve in the match with a thunderous smash at the net.

5-1

That's a surprisingly simple hold from Wozniacki, given the testing conditions out there! Cibulkova is continuing to hammer the ball back at the Dane, but just can't land the big shots consistently in this wind.

4-1

BREAK! We're finally seeing some quality tennis now, with Cibulkova and Wozniacki going toe to toe from the baseline. The Slovakian sends a forehand approach into the corner for 30-30, and Wozniacki brings up another break point with a lovely smash, which Cibulkova converts for the Dane herself with a double-fault! That's 11 unforced errors from Cibulkova so far in this match. Just not good enough.

3-1

Cibulkova hammers a backhand return over the baseline to give Wozniacki her first chance to hold at 40-15, but a pinpoint forehand to the corner drags the Slovakian back to 40-30. Wozniacki lands a rare first serve on the second game point, and Cibulkove returns into the net to gift the Dane the first hold of serve in this match!

2-1

BREAK! Wozniacki races to 30-15 on Cibulkova's serve with a powerful forehand volley to the sideline, before earning another two break points when the Slovakian lashes another long forehand into the green. Cibulkova repeats the trick with a long backhand on the first break point, giving Wozniacki another break in the increasingly blustery conditions.

1-1

BREAK! We could be in for a break-fest tonight, with the wind swirling viciously around the Arthur Ashe court. Wozniacki stuggles to land her first serve, and soon finds herself 40-0 down. Cibulkova fails to take any of the three break points, but eventually steals the game from deuce when Wozniacki sends a backhand wide of the tramlines. Holding serve could prove to be a real problem tonight!

1-0

BREAK! Cibulkova commits four unforced errors in her opening service game, and concedes her opening service game with a lashed forehand beyond the baseline. Not the start the young Slovakian was hoping for.