XXL: MUST-SEE TV U.S. Open, USA, 7 p.m. Oh man, big night at the Open tonight, certainly the biggest night so far and maybe the biggest, period. It starts out with the match many feel is the de facto women’s final: the Williams sisters going toe-to-toe in a women’s quarterfinal. Coming off their rivalry reprisal at the Wimbledon final this year, something tells me ...