Kirana asks: "Do you think your serve and volley style gives your game an edge over most of the baseline players your age today?"

TD: Probably not over the players my age, but in the long run but I think it will give me an edge because there are so few s&v players out there, so I will be a rare thing to come by so guys won't really be used to playing against my style, whereas there are a ton of baseliners out there, so yes I do think it will give me an advantage.

Joachim (Singapore) asks: "What advice do you have for players who are trying to emulate your lethal serve? What type of strings do you use and how much tension do you apply?"

TD: I think all that stuff is variable, it doesn't really matter. BS Babolat 15 lite, 1.35 mm stung at 62 lbs. For the serve, you've just got to go out there and hit as hard as you can and learn to get it in, which I think is what all the great servers do.

Yegor (Russia) asks: "Do you often use heavy weight training and what do I have to do in the gym to serve this way too?"

TD: I actually do no upper body strength training. I'm a pretty big guy, just under 200 lbs, so I try and stay pretty light. I don't think serving has a lot to do with strength, I think it has to do with timing, so as long as you learn how to time the bal, you can hit it as hard as you like.

Kathy Hannah (Cleveland) asks: "What aspects of your game do you need to improve to be a top contender on the tour?"

TD: I think my biggest asset is my biggest weakness, and that's my serve. I just played a match today and I bet my serving percentage was around 30 percent, so for me it's a huge part of my game to get 65-70 percent of first serves in and that's what I've been trying to work on.

Cole asks: "I am a 13-year-old boy with a one-handed backhand. All the kids with two-handed backhands beat me now because I can't get the high balls. When you were young, did it take time to get your backhand better?"

TD: Yes, I switched at about that age, 13. It was pretty funny because every high ball I had or every tough shot I had I went back to my two hander and on the easy balls I'd hit one handers. But it does take time, there's no advantage or disadvantage to having a one-hander, I just think it looks cooler. But you've just got to spend hours out there hitting it, so just stick with it.

Jake (Australia) asks: "Much publicity has arisen from your potential "defect" to the Australian corner for Davis Cup. I'm interested to ear if there is any truth in this rumor or will your allegiance lie with the US after the support of the USTA?

TD: At the moment, it's 99.999 percent I'm playing for the US, and that's where I stand right now.

Victoria (Indonesia) asks: "How Australian do you feel."

TD: Very Australian. My father's obviously Australian and he's raised me since birth, almost 21 years now, so I feel like I've grown up.

Rosanne (England) asks: "What is your favorite country that you have visited and what are your favorite tournaments?"

TD: I love Wimbledon. I think I'm biased because I've had three matches there and two of them have been on Centre Court.

Lauro Castello (Brazil) asks: How do you feel when you have to face guys like Agassi, Sampras, Guga, Hewitt?"

TD: I think if I looked at it like that, I'd be pretty scared and nervous. But really you're just playing the ball and especially for me, my game pretty much dictates what's going to happen out there so I just play my game and look which way the chips fall.

Ruslan (Ukraine) asks: "What advice would you give to young players who begin playing tennis at an early age but do not have the economic funds to travel to tournaments?"

TD: Well you don't have to travel to tournaments to get better. You're only going to be as good as the amount of time and effort you put in. So just train as hard as you can while you're at home and take advantage of the tournaments when you're away.

Andrei (Romania) asks: "What is your ideal woman?"

TD: My ideal woman. Someone that will actually like me.

Jessica (New Zealand) asks: "Which tennis player would you like to be for one day and why?"

TD: I'd like to be Andre Agassi just to see how it feels like to smack those returns back. That would be pretty fun.

Kimberly (Florida) asks: "Who, other than your father, do you look to for inspiration?"

TD: Tennis wise, I look up to Patrick Rafter. He shows a lot of emotion and displays a lot of courage out on the tennis court, and I think that's very admirable. It's a shame that he's not playing any more.

Rick asks: "What is your favorite food for breakfast?"

TD: If I'm playing a match, I might not eat breakfast because I don't do well with a lot of food in my stomach. But other times I just eat fruit.

Turic asks: "What is your favorite movie?"

TD: Shawshank redemption - it's awesome.