Mayo wins National Clay Courts in boys 14s

   Northern California juniors earned two titles on Friday in the USTA National Clay Court Championships, and more could come today.
   Top-seeded Keenan Mayo of Roseville won the boys 14s in Fort Lauderdale, Fla., defeating 12th-seeded Bradley Frye of Overland Park, Kan., 6-3, 6-3.
   Andrew Ton of Milpitas made it a NorCal sweep in Fort Lauderdale, capturing the boys 14 doubles title with Brandon Nakashima of San Diego. Seeded No. 7, Nakashima and Ton outclassed No. 9 Campbell Erwin of Olmos Park, Texas, and Nathan Han of Tulsa, Okla., 6-2, 6-3.
   Meanwhile, top-seeded Vasil Kirkov of Tampa, Fla., and Sam Riffice of Roseville will meet sixth-seeded Robert Loeb of Hilton Head, S.C., and Alex Phillips of Peachtree City, Ga., for the boys 16 doubles crown today in Delray Beach, Fla.
   In the boys 18 semifinals in Delray Beach, unseeded William Griffith of Fresno and Cameron Klinger of Elk Grove will face top-seeded William Blumberg of Greenwich, Conn., and Tommy Paul of Coconut Creek, Fla.
   Losing on Friday were:
   -- Ninth-seeded Sarah Bahsoun of Los Gatos and Niluka Madurawe of Sunnyvale by walkover in the girls 14 doubles semifinals in Plantation, Fla.
   -- Top-seeded Katie Volynets of Walnut Creek in the girls 12 singles semifinals in Palm Beach Gardens, Fla.
   -- No. 1 seeds Charlotte Owensby of Boca Raton, Fla., and Volynets in the girls 12 doubles quarterfinals in Palm Beach Gardens.