Words will eventually fail, as the impression left day after day, week after week, month after month goes without comment and today leaves the audience of the professional circuit a little leaden, stunned, even worried about the turn of events . Jannik Sinner has only reigned for six months, but his influence is already colossal, his domination implacable, almost surgical, so much so does his game seem to delve into the bowels of the opponent, by dint of early, flat strikes, relentlessly or almost, in the diagonal first, before operating without gloves along the line.