NEW YORK -- Novak Djokovic hopes the addition of Todd Martin to his coaching team will be the catalyst he needs to win another Grand Slam title.
The fourth-seeded Serb, who captured his only major crown at the 2008 Australian Open, cruised into the second round of the U.S. Open with a 6-3, 6-1, 6-3 victory over Croat Ivan Ljubicic.
Djokovic has been trying to improve his attacking skills to his all-around game and believes two-time Grand Slam runner-up Martin is the man to help.
"I was thinking about working with somebody that can help me out with my serve and my volley game," Djokovic said. "You know, [somebody with] a lot of different variety and somebody that has been on top of the men's tennis and somebody that has a positive attitude and great experience.
"I think Todd is a perfect guy for that. He always looks for positives, and this is exactly what I need," he said.
Djokovic, the runner-up at Flushing Meadows in 2007, said Martin will work alongside his existing coach, Marian Vajda, and said the new arrangement was working well.
"We have had a lot of hours on the court daily and of course fitness with my coach, really trying hard to work on some things to improve the game and get ready for the most important tournament in this period of the year," said the Serb.
"Todd, being a top five player, playing a couple finals of Grand Slams and of course many other tournaments, is very respected in the tennis world. He's a person that can help me a lot in any way, using his experience. He brought freshness to our team, which is always welcome.
"I just really look forward to it. So far the things have been functioning quite well for all of us."
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2009 U.S. Open
Women's singles: Kim Clijsters, Belgium
Juan Martin del Potro, Argentina
Men's doubles: Lukas Dlouhy, Czech Republic and Leander Paes, India
Women's doubles: Serena and Venus Williams, United States
Mixed doubles: Carly Gullickson and Travis Parrott, United States
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