Good action shots, not that I know anything about Tennis though :?
Second one would be th best to me. Good actio in it and nice an level with him and a good close crop. His skin colour looks a bit red though.
Yeah that’s a great shot of Andy Murray. Looks like you had to crank the fill light/shadows which has resulted in the red hue on his face. Minor gripe. More good, consistent shots. Nice one.