The United States won the 21st Match 13-5, for its 17th victory in the series. The 13- 5 score equaled the largest winning team margin set in 1966 and 1974. The Match was played at the St. Pierre Golf Club, in Chepstow, Wales. Patty Sheehan and Lori Castillo won their first day's foursomes match, 5 and 3, and their teammates halved the other two matches to give the United States an early 2- 1 lead. In one halved match, Terri Moody of the United States holed a par putt of 18 feet at the 18th, as she and partner Lancy Smith halved Mary McKenna and Claire Nesbitt. Carol Semple and Judy Oliver, of the United States, were one down to Maureen Madill and Carole Caldwell coming to the 18th. Miss Semple's tee shot stopped 10 feet from the cup and Mrs. Oliver holed it to cause another halved match. In the afternoon singles, the United States won four of the six matches and halved the other two. Miss Sheehan played the last nine holes one under par to defeat Mary McKenna 3 and 2. Mary Hafeman, of the United States,was four down at the 15th tee, but won the final four holes to halve Lynda Moore. Lancy Smith halved her match with Claire Nesbitt. The United States led 7- 2 at the end of the first day.

On the second day, the United States won all three foursomes matches to stretch its lead to 10- 2. Miss Smith and Miss Moody won five consecutive holes on the first nine and won, 6 and 5. Miss Sheehan and Miss Castillo won the first three holes and maintained that lead for a 3 and 2 decision. Mrs. Oliver and Miss Semple provided the 10th and deciding point for the American side as Mrs. Oliver holed a par putt of 30 feet at the final hole for a 1 up victory over Tegwen Thomas and Miss Moore. At this stage, Great Britain and Ireland had not won a match. In the final afternoon's singles, both sides won three matches apiece. Miss Hafeman, who had won the final four holes of her first singles match, won the first six holes from Jane Connachan- 10 in a row. She won the match 6 and 5.

Eight of the matches over the two days were decided at the 18th hole. Great Britain and Ireland won only one of these. The United States won three and the other four were halved. Miss Sheehan was the leading point winner with four of a possible four. In none of her matches was she extended beyond the 16th hole. All eight American players contributed at least one point to the victory. Mrs. Nancy Roth Syms, a member of the 1964, 1966, and 1976 Curtis Cup Teams, was the non- playing Captain of the United States Team. Mrs. Carol Comboy again was non- playing Captain of Great Britain and Ireland.