I think I have a lot of room for improvement. My serve is okay, but I need to work on a lot of things: return, transition game, backhand.

My aggression out there is my weapon. I think it's more letting them know that I'm not going to let them get away with something, and I'm not just going to kind of poke it back and be content to stay in rallies.

I think I have a lot of room for improvement. My serve is okay, but I need to work on a lot of things: return, transition game, backhand.

I've been good about keeping my nose to the grindstone.

There's no doubt there are issues with clay. Our issues have issues that are issues right now. That's not a secret.

I don't really rate press conferences. It's not as though I leave the room fist-pumping my way down the corridor after a good one.

I definitely think the European weather has more of a factor than the European clay. I think the European weather changes from week to week, I mean, last year it was sunny and hot and this week it's kind of playing tricks on us a little bit. I definitely think that is a factor.