The United States swept into the semifinals of the $1.2 million Dunhill Cup tournament with a 3-0 victory over New Zealand at St. Andrews, Scotland. New Zealander Bob Charles lost a two-stroke lead over Mark O'Meara with only two holes remaining.

In today's semifinals, the United States will play Scotland, which beat Japan, 3-0 . . .

Scott Hoch shot a 66 to tie Gil Morgan for the lead at nine-under-par 133 after two rounds of the $300,000 Pensacola (Fla.) Open. Morgan shot a 68 as he and Hoch overtook first-round leader John Cook. Cook, who opened with a 63 Thursday, shot 71 for 134 . . .

Jim Ferree shot a five-under-par 67 to take a one-stroke lead after the first round of a $165,000 PGA Seniors golf tournament in Melbourne, Fla. Bob Toski bogeyed his last hole for a 68. Defending champion Lee Elder of Washington, D.C., shot 70 . . .

Rick Hughes of Indian Spring overwhelmed Mike McGinnis of Holly Hills, 10 and 8, in a scheduled 36-hole final to win the Middle Atlantic PGA Match Play championship at Rolling Road in Catonsville, Md. . . .

Woody FitzHugh of Woody's Range had six birdies for a six-under-par 65 to win the final Middle Atlantic PGA Pro-Am of the year by a stroke over Newbridge's Jeff Staton at Montclair in Dumfries, Va. This was the 16th time this year that FitzHugh has either won or tied for the win in a Middle Atlantic PGA Pro-Am championship.