US Open Cup round-up: RSL, Chicago roll while Timbers, United survive

US OPEN CUP QUARTERFINALS

D.C. United 3, New England Revolution 1

Chicago Fire 5, Orlando City SC (USL PRO) 1

FC Dallas 2, Portland Timbers 3

Real Salt Lake 3, Carolina RailHawks (NASL) 0

And here are the updated semifinal matchups, on Wednesday, Aug. 7:
SF1: Chicago Fire vs. D.C. United
SF2: Real Salt Lake vs. Portland Timbers