CoCo Vandeweghe and Marcos Giron win Singles Titles at Oracle Challenger Series Houston   (November 17, 2019) The Oracle Challenger Series Houston, was held at the George R. Brown Tennis Center at Rice University from November 10-17. The women's final featured incredibly high-quality tennis between two Tour veterans in American wild card CoCo Vandeweghe and the No. … [Read more...] about CoCo Vandeweghe and Marcos Giron win Singles Titles at Oracle Challenger Series Houston