John Isner headlines a talented team of Americans set to compete in the Davis Cup quarterfinals against Croatia in Portland, Ore., June 15-17.

After Thursday's draw ceremony, Isner took over the @USDavisCupTeam Twitter feed to answer some fan questions ranging from his favorite place to practice, how he mentally prepares for a match and whether he's caught any Pokemon recently.

Check out the recap of the chat. Support Team USA and follow all the action live from Davis Cup on Twitter here.

@WFOSponsors Warming up for practice or a match. It's very essential, but very monotonous. Being a big guy, it takes me a while to warm up.

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

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@ShrtyR8 No, I'm super late to this party. I've not played and I don't envision myself playing in the future. I didn't grow up with that.

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

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@JutChaffee84 This is surprising, but I like to listen to country. Jake Owen, Cole Swindell, Eric Church. It's what I grew up listening to.

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

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.@ShrtyR8 My mom. When I was a freshman in college she came down with colon cancer that nearly took her life. Seeing her battle and ... 1/2

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

.@ShrtyR8 ... 2/2 persevere through that, it makes everything that I do on the tennis court pale in comparison. She inspires me.

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

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.@iamtheolena I love practicing in my neighborhood. I get in my golf cart and drive two minutes right down the road. I really enjoy that.

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

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.@joaovitorsfier You want to encourage your kid to play tennis, but you don't want to force tennis too much on them. Playing a mix ... 1/2

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

@joaovitorsfier ... 2/2 of sports is very healthy. Specializing at a young age can be very unhealthy and detrimental. It can burn you out.

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

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.@Ata2de No, it helps with sweat. I sweat a lot. I'd rather have the sweat run off the bill of my cap than off my forehead and into my eyes.

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

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.@orangeoceanstar Haha. You want to get stronger. It all starts with the legs. Practice your service motion so it doesn't break down.

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

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.@orangeoceanstar Haha. You want to get stronger. It all starts with the legs. Practice your service motion so it doesn't break down.

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

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.@DeuceDM That's a good question. Probably 13, 14 years old. I'd play in local club tournaments against my dad and his friends and I ... 1/2

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

.@DeuceDM ... 2/2 started beating a couple of them. They still talk about the time they got beat 6-2, 6-3, by the kid down the street.

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

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.@ultm8swfans It would be incredible. I cherish every #DavisCup tie because I know I won't be able to do this forever. It's so important.

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

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.@JayTweet15 That's easy. From playing basketball. I played just as much basketball as tennis. If people had told me I'd be this ... 1/2

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

@JayTweet15 ... 2/2 tall, I would probably have stuck with basketball. It's just a habit of mine now - I don't even think about it.

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

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.@MaKa_Style Wristbands. I have to have them. Some players don't like them. Andy Roddick never wore them and he was a prolific sweater.

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

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.@WFOSponsors How much time I spend in the gym. I'm in there a lot. For me, time in the gym is every bit as important as time on court.

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

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.@arwen2283 I listen to music and keep myself calm. I put my feet up and chill out. I try to get in a relaxed state of mind.

— US Davis Cup Team (@USDavisCupTeam) July 14, 2016

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