Oracle Challenger Series Houston - Friday Results (November 15, 2019) The Oracle Challenger Series Houston is being held at the George R. Brown Tennis Center at Rice University from November 10-17. On a sunny and mild Friday that featured both singles third round and quarterfinal play due to Thursday's inclement weather, wild card CoCo Vandeweghe led the way for the … [Read more...] about Oracle Challenger Series Houston – Friday Results