Despite his loss to Juan Martin del Potro during their US Open championship match, Roger Federer is still pretty good. In case you haven’t seen it yet, check out this shot he made during his semifinal match against Novak Djokovic on Sunday.

Some are calling this the greatest shot in Tennis history. We don’t know about that, but it’s definitely the best between the legs shot we’ve ever seen. But is that type of shot even legal? …Federer really doesn’t give a shit either way.