Agnieszka Radwanska expects to play in the US Open.
But after retiring from the New Haven Open on Tuesday with nagging shoulder injury, the world's second-ranked player acknowledged she's not sure how that will affect her play.
''I was struggling with the shoulder for a couple of weeks now,'' she said. ''Honestly, it's near the end of the season and I've really played a lot this year.''
The top seed at New Haven, who received a bye in the first round, dropped the opening set 6-0 and was down 2-1 and a break in the second set when she ended her second-round match with qualifier Olga Govortsova.
A trainer had been called between sets to work on Radwanska's right shoulder, which she said has been bothering her since the start of the hard-court season.
''It's just inflammation,'' she said. ''I really put on the shoulder a lot of tennis the last couple of weeks and my shoulder is saying `no' sometimes when I go on the court.''
Radwanska, who mentioned her shoulder problems last wee...