TOP SEED VALENCIA XU ADVANCES TO GIRLS’ 16s SEMIFINALS AT USTA BILLIE JEAN KING GIRLS’ 16s & 18s NATIONAL CHAMPIONSHIPS Girls’ 18s Quarterfinal Matches Set for Friday at Barnes Tennis Center SAN DIEGO – (August 8, 2019) – Top-seeded Valencia Xu of Livingston, N.J., overcame 17th seeded Allie Gretkowski of Mount Pleasant, S.C., 6-4, 6-2 in one-hour and 50 minutes to reach … [Read more...] about Top Seed Valencia Xu Advances to Girls’ 16s Semifinals at USTA Billie Jean King Girls’ 16s & 18s National Championships