Davenport, who adanced to the quarterfinals with a 6-2, 6-2 rout of Germany's Anke Huber on Friday, is only 2-7 lifetime against Martinez, the 1995 winner. She is 19-2 in her last 21 matches in California, with both defeats coming at the hands of sisters Venus and Serena Williams. Venus' victory came last week in their semifinal match at the TIG Tennis Classic in San Diego.

In two quarterfinals earlier today, second seed Martina Hingis of Switzerland fought off seventh-seeded Barbara Schett of Austria and No. 3 Mary Pierce of France was unceremoniously bounced by countrywoman Julie Halard-Decugis.

The Wimbledon champion, Davenport has won 36 of 43 matches in 1999 and has dropped only four of 25 hardcourt matches this season. She will defend her U.S. Open singles title later this month.

Hingis has six wins in as many meetings with Schett, but today's victory may have been her toughest. She dropped a first-set tiebreaker but rallied for a 6-7 (5-7), 6-3, 6-3 victory, taking control with a service break in the first game of the final set.

Hingis reached the quarterfinals on Thursday with a three-set victory over Lisa Raymond of the United States. A loser to Davenport at this event the last two years, Hingis is 48-7 with five titles in 1999. She improved to 25-4 on hardcourts.

Sixth-seeded American teenager Serena Williams became the first player to secure a semifinal berth Thursday with a 6-2, 6-3 win over fourth seed Arantxa Sanchez-Vicario of Spain. She will play Hingis on Saturday.

Pierce was a 7-5, 6-2 loser to Halard-Decugis, who awaits the winner of the Davenport-Martinez match. She remained winless in 1999 and has not reached a semifinal since the Italian Open, a claycourt event.

First prize is $80,000.