Huge American Servebot Reilly Opelka Will Render John Isner Obsolete<em></em>John Isner, the leading American man in tennis, has a simple calling card: being 6-foot-10 and serving bombs. He’s the most prominent purveyor of the American Man Style of tennis: giant delivery, giant forehand, full stop. That’s been enough to make him a top-20 fixture, a historically successful h...
