09 August,2010 01:19 PM IST | | Agencies
Lleyton Hewitt said Monday he had withdrawn from this week's Toronto ATP tournament to enable him to have injury treatment ahead of the US Open later this month.
The Australian former world number one pulled out of the Rogers Cup in Toronto with a calf injury he suffered in his first round match in Washington last week.
Hewitt, 29, currently ranked 30, said he needed to pull out of the ATP World Tour Masters 1000 tournament in Toronto to focus on treatment.
He said he was determined to play in the Masters event in Cincinnati, which starts on August 15, and then the US Open, which gets underway in New York on August 30.
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"It's just one of those things that can happen and my focus now is to have treatment daily to enable me to play the Masters 1000 event in Cincinnati and then the US Open," Hewitt said on his website.
"It is not the best preparation for a Grand Slam event, but there is nothing else I can do."
Hewitt won the US Open in 2001 and was runner-up to Roger Federer in 2004.
His manager David Drysdale said the withdrawal was a precautionary measure.
"He's taken the medical advice not to play, it was a safety issue," he said.
"He's just got a slight strain and he'll start hitting again in the next day or two and he'll definitely be playing in the US Open."
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