Favored Sally Voss of Congressional played one under-par golf eliminated Lisa Abood of Kenwood yesterday, 6 and 5, joining Bonnie Johnson, Nancy Maunder and Karen Smith in today's semifinal of the Maryland Women's Amateur at Woodmont's South Course.

Voss, a college All-America at Stanford who as won the Women's District and San Francisco titles this year, went out in one-under-par 35 for a 4-up lead in a battle of long hitters.

Voss birded the fourth hole with a seven-foot putt and hit the par-five seventh in two shots and two-putted for another birdie.

She went ahead by five holes at 11 when Abood three-putted and closed out the match with par on the 13th.

Smith, of Potomac Valley, got down in two from a trap on the first extra hole and ousted WDGA runner-up Diane Rankin of Argyle.

Rankin was out in 37 and 1 up, Smith won 11 and 14 but Rankin rebounded to win 16 and 17 with pars and was 1 up heading to the final hole.

Smith won the 18th hole with par to send the match into extra holes. She sank a seven-foot par putt on 19.

Middle Atlantic champion Maunder of Crofton shot steady golf and parred the final two holes for a 2-up victory over two-time Maryland Amateur titlist Jane Mason of Snow Hill, Md. Maunder shot 75.

School teacher Johnson of Maryland Golf and Country Club won the 11th and 14th holes with pars, scoring a 5 and 4 decision over Alice Kelly of Montgomery Village.

In today's 9 a.m. semifinals, Voss played Johnson, followed by Smith vs. Maunder.