Not only an all time great but climbing the greatness stairway fast...frankly, I think it's inevitable he becomes the best Eastern European player of all time, surpassing Lendl. At this point right now I got to say he's better than Hoad, Wilander, Becker, Edberg and his peak is incredible.
Roger Federer. Paolo Maldini. Tom Brady. Wilt Chamberlain. GOATs.