Azarenka oozes class in New York
A review from day two of the women's singles at the US Open as Victoria Azarenka won without losing a game.
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Second seed Victoria Azarenka produced a statement of intent as she whitewashed Germany's Dinah Pfizenmaier 6-0 6-0 in the first round of the US Open.
Azarenka, last year's beaten finalist, put in a strong and wily performance, manipulating her opponent around the court, but in truth her victory owed as much to world number 99 Pfizenmaier's inadequacies as her own brilliance.
The Belarusian needed five break points to take the first game, eventually sealing it with a forehand volley, but she was more efficient from then on.
She broke again with some help from a favourable net cord for 3-0, while a succession of errors from her German opponent helped her take game five on her way to a clean sweep in the first set.
Though the one-way traffic continued at the start of the second, Pfizenmaier looked set to finally get on the board when she had two game points in game three, but she was tentative and Azarenka took full advantage.
Down 5-0 in the second and facing the dreaded 'double bagel' Pfizenmaier produced her best shot of the match - a forehand winner down the line - and duly took the applause of the remaining fans inside the Arthur Ashe stadium.
But it was the smallest of victories as Azarenka completed her comprehensive win in an hour and four minutes to book a second-round clash with Canada's Aleksandra Wozniak.
"It was a lot closer than the score [suggests]," Azarenka said. "I felt I really played well in the important moments.
"I felt I served pretty consistently.
"From here it's important to improve."
Petra Kvitova went the distance again as she moved into the second round of the US Open with victory over Japan's Misaki Doi.
The seventh seed plays a remarkable number of three-setters and a second-set lapse cost her again here, although she recovered well in the decider to defeat Doi 6-2 3-6 6-1.
Kvitova, the 2011 Wimbledon champion, has been consistent only in her inconsistency this season and today's win was a fifth three-setter out of her last six victories.
The Czech next meets Serbian Bojana Jovanovski, who put out Germany's Andrea Petkovic 6-2 6-4.
Ana Ivanovic was the first winner of the day, the 13th seed thrashing Anna Tatishvili 6-2 6-0 in just 58 minutes.
Ivanovic split from British coach Nigel Sears after Wimbledon and is now working with Serbian pair Nemanja Kontic and Zlatko Novkovic and Sven Groeneveld through her sponsors, adidas.
The former world number one had enjoyed good preparation for the US Open until a first-round defeat by Alize Cornet in Cincinnati.
Ivanovic said: "I've been playing really well and I had a few tough losses. It's obviously hard, more so emotionally than anything else. I'm very confident with my game.
"I know I did a very good preparation. I have a new team with me. Obviously it takes time to get comfortable, to get things to work smoothly. I'm very happy at the way everything is."
Sixth-seeded Caroline Wozniacki ensured there was no debut grand slam win for Duan Ying-Yang as she secured a 6-2 7-2 success.
Duan is the world number 133 and was never expected to challenge, but certainly did not disgrace herself and made Wozniacki work harder than she may have liked in front of watching boyfriend Rory McIlroy.
The error count hurt Duan the most, making 46 to her opponent's 11. Had it have been on winners alone, she was the more impressive, with 34 to 11.
Sara Errani had no such concerns in her game, recording the second double-bagel of the tournament as she beat an outclassed Olivia Rogowska 6-0 6-0.
The Italian is in the same part of the draw as Wozniacki - a section hardly loaded with feared names - and may well be capable of a deep run.
There were also comfortable wins for Maria Kirilenko and Roberta Vinci.