OKLAHOMA CITY, Okla. — The Ottawa University softball team made program history Tuesday in Oklahoma City, Okla.

The Lady Braves knocked off its first top-five ranked team. Ottawa downed No. 4 Oklahoma City, 13-7, in the first game of a doubleheader. Oklahoma City won the nightcap, 7-1.

Ottawa’s offense put pressure on Oklahoma City in nearly every inning of the opener. Ottawa pounded 12 hits, which included a triple by Cady Blevins and doubles from Alyssa Miller and Amanda Martinsen.

Ottawa jumped on top 4-0 after the top of the second inning and never looked back. Ottawa scored three runs in the fifth, four in the sixth and two in the seventh. Ottawa led 11-3 after the top of the sixth.

Blevins and Catherine Wallace led Ottawa with three hits, two RBIs and two runs scored. Martinsen and Becca Dunlop had two hits each. Martinsen had two RBIs and Dunlop drove home four. Katarina Burns scored three runs.

Hailie Ray (2-0) went the distance. She had four strikeouts and gave up seven earned runs. She had 72 strikes in 116 pitches.

Ottawa tied the nightcap at 1-1 with an RBI from Blevins in the fifth inning.

The Stars then scored three in the fifth and sixth innings. Morgan Shramek had three strikeouts in six innings.

Martinsen and Darin Lewis paced the Lady Braves with two hits each.

Wednesday’s doubleheader in Bartlesville, Okla. was postponed because of the snow storm.

Ottawa (5-1) plays 1 p.m. Saturday in Columbia, Mo., against Stephens College.