Bobby Riggs, seeking to add the Pacific Coast tennis singles crown to kis national and Wimbledon titles, slashed his way into the semi-finals here today at the expense of Wayne Sabin, Portland star, in the. feature match of the day at the Berkeley Tennis Club.
Riggs put out his friendly rival in straight sets, 7-5, 6-4.
In their quarter final clash, John Bromwich, the ambidextrous Australian star, moved up with a 6-2, 6-2 victory over Elwoode Cooke of Portland, and Frankie Kovacs, Oakland youngster, scored one of his most important victories in beating the Davis Cup player, Adrian Quist, of Austiblia, 6-2, 6-0. Quist yesterday beat Amado Sanchez, Filipino champion, 8-6, 6-2—United Press.
Text read from the printed page and cleaned; old type leaves the occasional error.