US OPEN SCENE: Azarenka’s ‘Happy Birthday’ wish

Nishikori beats Raonic in 5 sets at US Open

Wawrinka pulls away to beat Robredo at US Open

Azarenka tops qualifier Krunic to reach US Open QF

What to watch at US Open: Bencic, 17, eyes semis

Murray beats Tsonga in 3 long sets at US Open