Norman, Okla. ? Kansas University won the doubles point, then claimed three straight-set singles victories to open the Big 12 Tennis Championships with a 4-1 victory over Iowa State on Thursday at Headington Family Tennis Center.

Dylan Windom and Maria Jose Cardona won at No. 2 doubles, and Victoria Khanevskaya and Anastasija Trubica won at No. 3 to clinch the doubles point. Cardona (at No. 2), Trubica (at No. 5) and Khanevskaya (at No. 6) earned straight-set singles victories.

“I’m pleased with how the girls came out and their enthusiasm and the drive that they had today,” Kansas coach Amy Hall-Holt said. “It’s hard playing Iowa State back-to-back. The girls prevailed, and I’m really happy for them.”

Kansas defeated Iowa State, 4-3, on Sunday to finish its regular season.

The Jayhawks will face top-seeded Baylor in the tournament quarterfinals at 9 a.m. today.

“It’s definitely going to be tough playing No. 1 Baylor,” Hall-Holt said. “We have to come out with a fighting attitude and the mentality that it’s anybody’s ballgame right now.”

Kansas 4, Iowa State 1

Singles

Belen Luduena, KU, vs. Simona Cacciuttolo, DNF (4-6, 5-4).

Maria Jose Cardona, KU, def. Ksenia Pronina, 7-6 (2), 6-3.

Meghan Cassens, ISU, def. Paulina Los, 6-4, 6-1.

Dylan Windom, KU, vs. Ana Gasparovic, DNF (1-6, 6-3, 1-0).

Anatasia Trubica, KU, def. Emma Waites, 6-0, 6-2.

Victoria Khanevskaya, KU, def. Carolina Andersen, 6-3, 6-1.

Doubles

Los-Luduena, KU, vs. Langhorst-Pronina, DNF (8-8).

Windom-Cardona, KU, def. Cacciuttolo-Cassens, 8-4.

Khanevskaya-Trubica, KU, def. Waites-Andersen, 8-3.