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Following are the results of the 1987 National Challenge Cup, now called the Lamar Hunt U.S. Open Cup, the single-elimination tournament in American soccer. The tournament is the oldest ongoing national soccer competition in the U.S. and is currently open to all United States Soccer Federation affiliated teams, from amateur adult club teams to the professional clubs of Major League Soccer.
The Results are given below
National Semifinals 
(St. Louis Soccer Park – Fenton, Mo.) Result June 20 Club Espana (DC/VA) 3:0 Dallas Mean Green (North TX) June 20 Mitre Eagles (WA) 5:4 (AET) Busch SC (MO)
June 21 Club Espana (DC/VA) 0:0 (3:2 PKs) Mitre Eagles (WA)