1. Round | 14/03/1998 | Miami Fusion | - | D.C. United | 0:2 | ||||
1. Round | 20/03/1998 | D.C. United | - | Kansas City Wizards | 3:2 | ||||
1. Round | 28/03/1998 | D.C. United | - | New England Revolution | n.P. | ||||
2. Round | 10/04/1998 | D.C. United | - | Colorado Rapids | n.P. | ||||
2. Round | 17/04/1998 | New England Revolution | - | D.C. United | n.P. |