Schnack seeks U.S. Open qualifying berth

   Second-seeded Yasmin Schnack of Elk Grove edged unseeded veteran Mashona Washington of Houston 3-6, 6-2, 6-4 Saturday in the semifinals of the U.S. Open National Playoffs  at New Haven, Conn.
   Schnack, who graduated from UCLA last year, will play incoming UCLA freshman Robin Anderson of Matawan, N.J., today for a berth in the U.S. Open qualifying tournament, Tuesday though Friday in Flushing Meadows, N.Y.
   In the men's final, top-seeded Blake Strode of St. Louis will meet unseeded Nathan Healey of Wyomissing, Pa. Strode, who has deferred his acceptance to Harvard Law School to play professional tennis, reached the final of the Chico Futures tournament in June.
   Healey advanced with a 6-3, 4-6, 6-3 victory over second-seeded David Martin, a former Stanford All-American living in Key Biscayne, Fla.
   ATP World Tour -- Top-seeded Bob and Mike Bryan, the 1998 NCAA doubles champions from Stanford, fell to third-seeded Mahesh Bhupathi and Leander Paes of India 1-6, 7-6 (2), 10-7 in the semifinals of the Western & Southern Open in Cincinnati.