Bellis, Gordon reach USTA Girls 18 quarters

   Second-seeded Catherine (CiCi) Bellis and 17th-seeded Michaela Gordon, both 15 from the San Francisco Bay Area, won in straight sets today to reach the quarterfinals of the USTA Girls 18 National Championships in San Diego.

   Bellis, the second-ranked junior in the world, beat 17th-seeded Usue Arconada of Puerto Rico 6-1, 6-4. Gordon, ranked 48th, stopped 17th-seeded Jessica Ho of Wexford, Pa., 6-2, 7-6 (5).
   On Thursday at 10:30 a.m., Bellis will face 14th-seeded Ena Shibahara of Rancho Palos Verdes in the Los Angeles area, and Gordon will take on top-seeded Louisa Chirico of Harrison, N.Y. The 18-year-old Chirico, a quarterfinalist in the $50,000 Sacramento Challenger last month, is ranked No. 219 in the world among women.    
   Bellis, a resident of Atherton, reached the girls doubles final of the French Open in June with Marketa Vondrousova of the Czech Republic. Gordon, from Saratoga, advanced to the girls singles quarterfinals at Wimbledon last month as a qualifier.
   In other age groups:
   -- Defending champion and No. 5 seed Collin Altamirano of Sacramento routed unseeded Vincent Lin of Schaumburg, Ill., 6-1, 6-2 in the boys 18 round of 32 in Kalamazoo, Mich.
   -- Top-seeded Katie Volynets of Walnut Creek in the San Francisco Bay Area reached the girls 12 semifinals in Alpharetta, Ga., with a 6-3, 6-1 victory over fifth-seeded Alexa Noel of Summit, N.J.
   -- Top-seeded Aidan Mayo of Roseville in the Sacramento region lost to seventh-seeded Spencer Brachman of Commack, N.Y., 6-1, 6-1 in the boys 12 quarterfinals in Little Rock, Ark.

USTA NATIONAL CHAMPIONSHIPS

(Results of Northern Californians only)

Boys 18

In Kalamazoo, Mich.

Singles round of 32

   Collin Altamirano (5), Sacramento, def. Vincent Lin, Schaumburg, Ill., 6-1, 6-2.
   Yancy Dennis (31), Reisterstown, Md., def. Adrian Chamdani, Santa Clara, 6-3, 6-3.
   Noah Rubin (3), Rockville Centre, N.Y., def. JT Nishimura, San Jose, 6-2, 4-6, 6-1.
   Reilly Opelka (19), Palm Coast, Fla., def. Logan Staggs, Tracy, 7-5, 5-7, 6-3.

Doubles round of 32

   Collin Altamirano, Sacramento, and Deiton Baughman (1), Carson, def. Michael Dube, Livonia, Mich., and Alexander Kim, Milford, Mich., 6-1, 6-1.
   Michael Kay, Alpharetta, Ga., and Korey Lovett (16), Brevard, N.C., def. Keaton Qualls, Austin, Texas, and Luke Whalen, Roseville, 6-2, 6-1.
   William Griffith, Fresno, and JT Nishimura (5), San Jose, def. Michael Quang, Forest Hill, Md., and John Wu, West Chester, Pa., 6-0, 6-2.

Girls 18

In San Diego

Singles round of 16

   Michaela Gordon (17), Saratoga, def. Jessica Ho (17), Wexford, Pa., 6-2, 7-6 (5).
   Catherine Bellis (2), Atherton, def. Usue Arconada (17), Puerto Rico, 6-1 6-4.   

Doubles round of 16

   Gabrielle Andrews, Pomona, and Usue Arconada (5), Puerto Rico, def. Rachel Chong, Danville, and Amy Yang, Alpharetta, Ga., 6-1, 6-1.
   Katherine Fahey, Fair Haven, N.J., and Jacqueline Urbinati (9), Harrison, N.Y., def. Catherine Bellis, Atherton, and Alexis Nelson (2), Saint Paul, Minn., 6-4, 3-6 [21-19].

Boys 16

In Kalamazoo, Mich.

Singles

   Sam Riffice (6), Roseville, def. Vasil Kirkov (27), Tampa, Fla., 6-3, 7-6 (9).
   Victor Pham, Saratoga, def. Johnathan Small (28), Zionsville, Ind., 7-5, 6-1.
   Alexander Keyser (14), Danville, def. Jacob Walker (26), Bethesda, Md., 6-1, 6-0. 

Doubles round of 32

   Robert Loeb, Hilton Head, S.C., and Alex Phillips (3), Peachtree City, Ga., def. Lane Leschly, Atherton, and Victor Pham, Saratoga, 3-6, 6-4 [10-8].
   Alexander Keyser, Danville, and Srevas Kolachalam, Campbell, def. Billy Rowe, Coronado, and Timothy Sah (10), San Diego, 6-3, 4-6 [11-9].
   Liam Caruana, New Braunfels, Texas, and Connor Hance (8), Torrance, def. Jayson Fung, San Francisco, and Andrew Gu, El Cerrito, 6-3, 6-4.         

Girls 16 

In San Diego

Singles round of 32

   Sabrina Xiong (17), Fresh Meadows, N.Y., Jessi Muljat, Sacramento, 3-6, 6-1, 6-2.

Boys 14

In San Antonio

Singles round of 16

   Blake Croyder (3), Marietta, Ga., def. Jenson Brooksby (17), Sacramento, 6-3, 6-4.

Doubles quarterfinals

   Brandon Nakashima, San Diego, and Tyler Zink, Lakewood Ranch, Fla., def. Jenson Brooksby, Sacramento, and Govind Nanda (9), Redlands, 6-3, 6-4.

Girls 14

In Peachtree City, Ga.

Singles quarterfinals

   Caty McNally (6), Cincinnati, def. Niluka Madurawe (17), Sunnyvale, 6-1, 6-1.

Doubles quarterfinals

   Dasha Kourkina, Brooklyn, N.Y., and Michelle Sorokko (9), Little Neck, N.Y., def. Carolyn Campana, Hillsborough, and Meg Kowalski (8), La Grange, Ill., 6-4, 6-2.

Boys 12

In Little Rock, Ark.

Singles quarterfinals

   Spencer Brachman (7), Commack, N.Y., def. Aidan Mayo (1), Roseville, 6-1, 6-1.
   Faris Khan (6), San Antonio, def. Stefan Leustian (13), Mather, 6-2, 6-1.

Doubles semifinals

   Nicholas Garcia, Hollywood, Fla., and Zane Khan (6), San Antonio, def. Aidan Mayo, Roseville, and Billy Suarez (3), Huntington, N.Y., 6-1, 6-2.

Girls 12

In Alpharetta, Ga.

Singles quarterfinals

   Katie Volynets (1), Walnut Creek, def. Alexa Noel (5), Summit, N.J., 6-3, 6-1.

Doubles semifinals

   Chidimma Okpara, Vienna, Va., and Reilly Tran (4), Dunn Loring, Va., def. Gianna Pielet, El Paso, Texas, and Katie Volynets (1), Walnut Creek, 6-0, 6-4.