COLLEGE STATION, Texas - Three upsets highlighted the third day of play in the Big 12 Tennis Championships at the George P. Mitchell Tennis Center. When the dust settled No. 1 seed Oklahoma and third-seeded Baylor survived to face off in the men's final, while No. 3 Texas A&M and fourth-seeded Texas advanced to tangle for the title on the women's side. First serve for both championship matches is noon on Sunday.
For only the second time in Big 12 history their will be four schools represented in Sunday's finals, after the same feat occurred last year. In previous years at least one school had a representative in both the men's and women's final.
MEN'S SEMIFINAL MATCHES
 Oklahoma 4,  Texas A&M 1 | Results\Quotes
The top-seeded and 12th-ranked Oklahoma Sooners secured a second straight appearance in the Big 12 Tennis Championship final with a 4-1 victory against fifth-seeded Texas A&M (13-14). OU (17-3) got off to a quick start in the match by claiming the doubles point. The Sooners used an 8-2 win by 57th-ranked Tsvetan Mihov and Peerakit Siributwong over Niall Angus and John Lewis at the No. 2 spot and then a 8-4 victory by Lawrence Formentera and David Pultr at No. 3 over Colin Hoover and Alexis Klegou to take the 1-0 lead. In singles action, Oklahoma jumped out to commanding leads at spots two through six to tally five first-set wins. OU converted two of those into straight wins by No. 63 Guillermo Alcorta and 97th-ranked Dane Webb to build a 3-0 lead. The Aggies, however, did not go down without a fight as they pushed courts three and six to third sets. The final clinching point for Oklahoma came at the No. 4 spot as Sirbutwong won a first-set tiebreaker 8-6 and went on to claim the second set 7-5 to seal the Sooner triumph. Oklahoma has now won 11 straight matches. The Sooners had never advanced to a Big 12 final, before last season when they fell to A&M 4-0 in Waco.
 Baylor 4,  Texas Tech 3 | Results\Quotes
A four hour and 39 minute match resulted in a 4-3 Baylor win over No. 2 seed Texas Tech (15-8). Diego Galeano pulled off a three-set tiebreak win against Vitor Manzini, 6-7(5), 7-6(2), 7-6(3) at the No. 4 position to complete the Baylor comeback. The third-seeded Bears trailed 2-0, after No. 19 Texas Tech (15-8) won the doubles point and then got a straight-set win at No. 3 singles. BU (17-10), ranked No. 28, responded as Julian Bley and No. 100 Roberto Maytin tallied victories at No. 6 and 2 singles, respectively. The teams then traded wins at No. 1 for Tech and at the No. 5 spot for Baylor, leaving the match tied at three points apiece to set the stage for the freshman Galeano. In his match, Galeano trailed 30-love down 5-4 in the second before turning the match around. He also was behind 4-3 in the third set. During the regular season, Texas Tech got its first win over Baylor in Big 12 Conference history, 6-1. Baylor earns its 11th trip to the Big 12 Championship final, but its first since 2009. The Bears are 7-3 in their previous10 appearances.
WOMEN'S SEMIFINAL MATCHES
 Texas A&M 4,  Baylor 3 | Results\Quotes
The 19th-ranked Aggies (18-4) garnered their first Big 12 Championship final appearance since 2004 with a 4-3 win over 12th-ranked Baylor (23-7). The win by Texas A&M is its first over Baylor since 2004, which stops a string of 12 straight losses. A&M earned the doubles point as No. 38 Cristina Sanchez-Quintanar and Wen Sun upset the 13th-ranked tandem of Ema Burgic and Nina Secerbegovic, 8-2, at the No. 1 spot. The Aggies followed that win with an 8-6 triumph by Janelle Cuthbertson and Nazari Urbina over Megan Horter and Diana Nakic at the No. 2 spot. In singles play, Baylor evened the score at two points apiece with wins a No. 4 and 6, after Texas A&M had captured the first match off at No. 3. The Aggies would retake the lead as eighth-ranked Sanchez-Quintanar downed No. 15 Nakic, 6-4, 6-0, before Baylor's Jordaan Sanford evened the contest with a 6-4, 6-3 win over Cuthberston at the No. 5 position. When that match wrapped up the No. 2 match between 61st-ranked Urbina and No. 22 Secerbegovic was heading to a third set. In that set, the Aggie would close strong for a 4-6, 6-3, 6-3 win. The loss by Baylor ends a streak of six consecutive Big 12 Championship titles and seven straight final match appearances.
 Texas 4,  Texas Tech 1 | Results\Quotes
The biggest upset of the day in terms of seed difference came as fourth-seeded Texas (16-7) got past regular-season champion Texas Tech, 4-1. The Longhorns had already beaten Tech once this season, but the Lady Raiders (19-5) got off to a good start by claiming the doubles point. However, that would be prove to be the only point for TTU on the day. UT won in straight-sets at singles positions four, one, six and two to claim the victory. The 67th-ranked Krista Damico claimed the match at No. 2 with a 7-5, 6-4 win over No. 104 Samantha Adams of Texas Tech. With the victory, the Longhorns advanced to their 15th Big 12 Championship final in the last 16 years.
Stadium Club reserved seating all-session tickets are $30 each and general admission all-session tickets are $15 each. The all-session tickets are available for advance purchase anytime at AggieAthletics.com, or by calling the ticket office at 1-888-99-AGGIE or in person at the ticket window located in The Zone at Kyle Field between 8 a.m.-5 p.m. Single-day tickets will be sold on site on the day of the event.
For complete results, photos and quotes for all of the matches at the 2012 Big 12 Tennis Championships visit the championship central page on Big12Sports.com.