Riffice earns national boys doubles title on clay

   Chalk up another national junior title for Roseville and the Sacramento region.
   Sam Riffice teamed with Vasil Kirkov of Tampa, Fla., to rout Robert Loeb of Hilton Head, S.C., and Alex Phillips of Peachtree City, Ga., 6-1, 6-1 on Saturday for the 16-and-under doubles crown in the USTA Boys National Clay Court Championships in Delray Beach, Fla.
   Kirkov and Riffice were seeded first, and Loeb and Phillips were sixth.
   Riffice's title came one day after Roseville's Keenan Mayo earned the singles crown in the boys 14s in Fort Lauderdale, Fla.
   In the boys 18 doubles semifinals in Delray Beach, top-seeded William Blumberg of Greenwich, Conn., and Tommy Paul of Coconut Creek, Fla., beat unseeded William Griffith of Fresno and Cameron Klinger of Elk Grove 7-5, 6-0.
   Blumberg and Paul went on the win the championship, and Paul also took home the singles crown as the top seed. 
   Collin Altamirano and Jenson Brooksby, both of whom train under Joseph Gilbert at the Arden Hills Resort & Spa in Sacramento, won singles titles in the USTA Boys National Championships last August.
   Altamirano became the first unseeded player in the 71-year history of the 18s in Kalamazoo, Mich., to go the distance. Brooksby triumphed in the 12s in Little Rock, Ark.