This marks the second straight year and only the third time overall that the Big 12 has had at least one representative in the semifinal round of the NCAA Doubles Championship. Texas A&M's Jeff Dadamo and Austin Krajicek. won the national championship last season.
To advance to the semifinals, Oklahoma's Paval and Webb improved to 18-3 on the year by upsetting Stanford's fourth ranked tandem of Bradley Klahn and Ryan Thacher. Webb and Paval took the first set, 7-5, but narrowly dropped the second, 7-6(4). The Sooners stormed back to take the final set, 6-3.
The OU duo, ranked 10th-nationally, will now challenge the nation's top-ranked pairing - Ohio State's Chase Buchanan and Blaz Rola on Sunday.
Texas Tech's 18th-ranked duo of Carvalho and Escobar upset No. 2 Steve Johnson and Roberto Quiroz of USC, 6-2, 3-2, to advance to the semifinals. Texas Tech jumped out to a quick 4-0 lead in the first set, before trading serves to take a 6-2 victory in the first set, as Escobar served for the first set victory. In the second set, each side held serve through the first four games. Then the Tech tandem broke USC to go up 3-2. As Escobar prepared to serve, USC retired from the match due to injury.
Carvalho and Escobar advance to face Chris Thiemann and Marcel Thiemann of Ole Miss, ranked No. 17, on Sunday at 4:30 p.m. CT.
On the women's side, Baylor's doubles team of Nina Secerbegovic and Ema Burgic saw their run come to an end in the quarterfinal round. The Baylor duo earned ITA All-America honors with their advancement to the quarterfinals, but were outlasted in a three-set battle against UCLA's ninth-ranked pair of Courtney Dolehide and Pamela Montez.
The Lady Bruins jumped out to a lead with a 6-1 first set, but Secerbegovic and Burgic regrouped to stay alive with a 6-3 win in the second. In the final set, the Lady Bears held the match on serve through the first five games, but UCLA was able to pull away with a closing 6-3 win. Baylor's doubles tandem finished the season with an 11-6 mark that includes a 5-3 mark over top-30 opponents.
The last remaining Big 12 singles player, Texas A&M's No. 7 seed Cristina Sanchez-Quintanar, was ousted from the championship by falling 6-3, 6-3, to No. 1 seed Allie Will of Florida in the quarterfinals..
Sanchez-Quintanar ends the season 40-6 (.870), setting an A&M record for the highest winning percentage in a season. Her 40 victories is two shy of the all-time record for most wins in a season, set by Kim Labuschagne (1986-87), who is the only other Aggie to ever reach the quarterfinals at the NCAA tournament.