David Goffin came of age by upsetting the great Roger Federer to make it through to his first season-ending ATP Finals with a 2-6 6-3 6-4 victory on Saturday afternoon at London's O2.
David Goffin came of age by upsetting the great Roger Federer to make it through to his first season-ending ATP Finals with a 2-6 6-3 6-4 victory on Saturday afternoon at London's O2.