Brenda Seymour of Hidden Creek scored a 3-and-1 victory over Sharon Briggs of Montgomery Village to win the Women's District Golf Association championship yesterday at International

Seymour kissed her four-iron after she used the club to hit her tee shot onto the green at the par-3 17th hole, where the match ended.

"When I hit that four-iron, I knew," said Seymour, 25, who lives in Chantilly.

Briggs, 2-down going into the hole, pulled her wood tee shot to the left of the green, chipped her second over the green, and chipped her third shot four feet from the cup. Seymour two-putted for par and victory.

Seymour is married to golf pro Henry Seymour. "He never watches me play, he couldn't handle the pressure," she said.

Seymour, only 5-feet-3 and 110 pounds, consistantly outdrove Briggs, who lost the 1980 WDGA final to Karen Jones.

When Seymour hit her second shot within 20 yards of the green at the 516-yard, par-5 16th, a woman in the gallery exclaimed, "Can you believe hitting the ball that far?"

But Briggs made a fine escape from a greenside bunker at that hole and earned a halving par to force the match to the 17th hole.

Seymour won the Payne Cup last summer and last week won the Pepsi Invitational in Salisbury, Md., but said that the WDGA, being played over five days, made it a bigger victory.

Seymour, who played on Stuart High's boys team before graduating from James Madison University three years ago, plans to try to qualify Monday in Pennsylvania for next month's U.S. Women's Open.

Betty Looney of Army Navy beat Beth MacLean of Hidden Creek, 5 and 3, to win the championship flight consolation. Other flight winners: 1, Susan Fleming, Bretton Woods, def. Shirley Kushner, Montgomery Village, 2 and 1; 2, Dottie Frauwirth, Indian Spring, def. Chris Cates, International, 3 and 2; 3, Dar Carroll, Lakewood, def. Sue Ullman, Springfield, 6 and 5; 4, Joan Browne, International, def. Dottie James, Army Navy, 5 and 4.