Grass, but I enjoy most surfaces...hate clay 'cause some people are so boring on clay (and they can rally for 15 hours)
The TE's all-round and doubles GOAT 73 titles (7 S + 66 D) + Davis Cup + Team Cup 11 Grand Slam titles in doubles (out of 12 played) Best singles ranking #3 Best doubles ranking #1 Olympics 2012 - singles bronze, doubles gold
I never know which one I am playing on a part from clay, hard, and grass. I know I hate grass though. The bounces are too low. Clay is cool, you can hit some great shots, but the points are far too long. So. I guess that leaves one of the hard courts lol.