Dent said he got a little "heated" in his second-round match against Nicolas Almagro on Friday after the Spaniard shouted "vamos" (let's go) to exhort himself following some of the American's fluffed shots.

"It was getting a little bit heated out there between us," the big-serving Dent said. "That fired me up a little bit more. I was pumped out there."

After a 6-3 6-2 4-6 7-5 victory, Dent said he was prepared to be more composed against his next opponent, third-seeded Hewitt, another player the American claimed has been known to violate an unwritten etiquette of the tennis court.

"He gets in your face a little bit, but that's his style of game," Dent said of Hewitt, adding that "cheering on double faults and easy missed shots, I wouldn't call that super sportsmanship. I don't think too many of the guys would."

Hewitt said he did not care how Dent rated his behaviour.

"It doesn't faze me a whole heap," Hewitt said. "It's still a matter of me going out there Sunday and playing my game and not worrying about who's at the other end too much. So it's sort of water off a duck's back."

Hewitt has angered some opponents by firing himself up after their mistakes, yet sailed politely through his 7-6 7-6 6-2 victory over Jose Acasuso of Argentina on Friday.

The 24-year-old Australian, the 2001 U.S. Open champion, had tiffs over sportsmanship issues at this year's Australian Open in matches against Argentines Juan Ignacio Chela and David Nalbandian.

Bad feelings erupted again during Australia's loss to Argentina in their Davis Cup quarter-final in Sydney in July.

Hewitt and Guillermo Coria bumped one another during changeovers and traded insults following the Australian's four-set win. Coria said he felt like "killing" Hewitt on court for cheering other people's mistakes.

Said Dent: "You have a little bit of an etiquette saying, 'OK, you can't really get in the other guy's face that much when he hits a double fault, or if he misses an easy ball.'

"He's (Hewitt's) in the grey area right there. He's won a lot of matches doing that. If I was his coach, I'd say keep doing that.

"At the end of the day, I'm not going to lose the match because he's cheering on my bad shots. That's not going to cause me to lose the match. What's going to cause me to lose is his great play or my bad play."

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