The men’s game thrives on big rivalries but with the world No 2 missing through injury, the prospects of another top-10 player stepping up appear bleak The men’s game thrives on big rivalries but with the world No 2 missing through injury, the prospects of another top-10 player stepping up appear bleak J annik Sinner is not a man for great displays of emotion, but not even the world No 1 could maintain his poker face this time. In the aftermath of an arduous opening win in Madrid on Friday,