Nice shot. Well exposed and sharp. I find the blurry ball in front to be slightly distracting. Almost wish it wan't there or that your focus had been on it instead. Very neat idea though - not something I've seen around here before.
But I'm not sure I like this picture... I think I second the whole front ball being a distraction.
I'm also not sure I really like the lighting... when I picture tennis, I picture outside lighting, not inside lighting.