Quarter-finals | 29/09/1998 | Columbus Crew | - | MetroStars | 5:3 | ||||
Quarter-finals | 02/10/1998 | MetroStars | - | Columbus Crew | n.P. | ||||
Semi-finals | 10/10/1998 | D.C. United | - | Columbus Crew | 2:0 | ||||
Semi-finals | 17/10/1998 | Columbus Crew | - | D.C. United | 4:2 | ||||
Semi-finals | 20/10/1998 | D.C. United | - | Columbus Crew | 3:0 |