| National Challenge Cup | |
| Year: | 1987 |
| Country: |  United States |
| Winners: | Club España |
| Second: | Mitre Eagles |
| Continental Cup Title: | 1988 CONCACAF Champions' Cup |
| Continental Cup Qualifiers: | Mitre Eagles |
| Prev Season: | 1986 |
| Next Season: | 1988 |
The 1987 National Challenge Cup, now called the Lamar Hunt U.S. Open Cup, is a 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
(St. Louis Soccer Park – Fenton, Mo.)
June 20 Club España (DC/VA) 3:0 Dallas Mean Green (North TX)
June 20 Seattle Mitre Eagles (WA) 5:4 (AET) St. Louis Busch SC (MO)
June 21 Club España (DC/VA) 0:0 (3:2 PKs) Seattle Mitre Eagles (WA)