Although Spencer Newman, the 20th seed from Miami, pulled the upset of the day beating top-seeded Harry Fowler of Houston, 4-6, 6-1, 6-2, in 16s, all the other top five seeds in both divisions advanced to today\'s Round of 16, all at Stowe Stadium.

Other 16s winners were: Evan King (2) of Chicago over Casey MacMaster (32) of Fort Collins, Colo., 6-4, 6-0; Jack Sock (3) of Lincoln, Neb., over unseeded Campbell Johnson of Rancho Santa Fe, Calif., 6-2, 6-4; Junior Bangoura (4) of Bradenton, Fla., over unseeded Cameron Silverman of Mount Kisco, N.Y., 6-4, 6-1; and Bob van Overbeek (5) of Boca Raton, Fla., over Brian Fang (28) of Hacienda Heights, Calif., 6-0, 6-1.

In 18s, top-seeded Ryan Harrison of New Braunfels, Texas, was tested on the same stadium court that claimed Fowler, slipping past Kevin King (17) of Peachtree City, Ga., 6 -4, 7-6 (6).

Other 18s winners were: Chase Buchanan (2) of New Albany, Ohio, over Frank Carleton (32) of Naples, Fla., 6-0, 6-0; Adam El Mihdawy (3) of Long Island City, N.Y., over John Huang (29) of Irvine, Calif., 6-0, 6-2; Alexander Domijan (4) of Wesley Chapel, Fla., over unseeded Jason Lin, Irvine, Calif., 6-0, 6-3; and Austin Krajicek (5), Bryan, Texas, over unseeded Mousheg Hovhannisyan of Los Angeles, Calif.

Source: USTA Nationals Staff