For the first time in Big 12 history, two men's doubles tandems have reached the quarterfinal round of the NCAA Tennis Championship. The Oklahoma twosome of Costin Paval and Dane Webb and the Texas Tech pair of Raony Carvalho and Gonzalo Escobar will play for an opportunity to reach the semifinals on Saturday. Joining the two men's duos in the quarterfinal round are Big 12 Player of the Year Cristina Sanchez Quintanar of Texas A&M and the Baylor doubles team of Ema Burgic and Nina Secerbegovic.