Former world number one Caroline Wozniacki has conceded that she got what she deserved during her opening-round match of the US Open against Irina-Camelia Begu last night.

Denmark's Wozniacki struggled to find any momentum as she was comfortably knocked out 6-2 6-2 by Begu.

"You always want to go onto the court and do your best no matter what's happening out there," Wozniacki told reporters. "I tried but I didn't succeed in playing well.

"I made too many errors. I definitely felt I couldn't hit through her today like I wanted to. When she had the opportunity she went in and finished off the point.

"I tried to win out there and I tried my best. It just wasn't enough today."

The 22-year-old has yet to win a Grand Slam since she turned professional.