The following are the quarterfinal pairings for the U.S. Open Cup. D.C. United replaces the Los Angeles Galaxy as an MLS representative because of scheduling conflicts.
Sept. 4 — Carolina Dynamo (USISL) at D.C. United (MLS) at site TBA.
Sept. 8 — Tampa Bay Mutiny (MLS) at Rochester Rhinos (A-League) at Frontier Field.
Sept. 15 — Colorado Foxes (A-League) at Kansas City Wiz (MLS) at Arrowhead Stadium.
Sept. 16 — Seattle Sounders (A-League) at Dallas Burn (MLS) at the Cotton Bowl.