Juniors Zamarripa, Quan win USTA Clay Court titles

   Two Northern California juniors won titles in last week's USTA National Clay Court Championships, and two others reached finals.
   No. 8 seed Allura Zamarripa of Saint Helena in the Napa area beat No. 1 Valencia Xu of Livingston, N.J., 6-4, 6-3 in the girls 16 final in Memphis, Tenn.
   Zamarripa and her twin sister, Maribella, swept the girls 16 doubles titles in the Easter Bowl at Indian Wells, Calif., and the USTA International Spring Championships in Carson, Calif., in consecutive weeks in the spring.
   Meanwhile, No. 1 seed Rudy Quan of Roseville in the Sacramento area routed No. 6 Luca Coriaty of Long Beach, Calif., 6-1, 6-1 in the boys 12 final in Orlando, Fla.
   Quan also won the USTA National Winter Championships in Tucson, Ariz., and the Easter Bowl in the 12s this year.
   Allura Zamarripa is ranked 16th nationally in the 16s in singles, and Quan is No. 1 in the 12s.
   In the boys 14 final in Fort Lauderdale, Fla., No. 3 Nicholas Heng of Madison, Ala., overcame No. 2 John Kim of Sunnyvale in the San Francisco Bay Area 5-7, 6-4, 6-3.
   And in the girls 14 final in Plantation, Fla., unseeded Clervie Ngounoue of Washington, D.C., topped No. 1 Vivian Ovrootsky of San Jose 6-4, 4-6, 6-2.