Lawrence hasn't been friendly to the Oklahoma State baseball team.
The Cowboys lost 7-6 Sunday on a walk-off hit to drop their sixth straight series in Lawrence.
Jake Taylor led the team in hits with three. Christian Funk added four RBIs on two hits.
OSU (21-13 overall, 7-5 Big 12) led 5-2 entering the seventh inning before Rudy Karre tied the game with a two out, three-run home run.
The Cowboys struck first in extra innings when Noah Sifrit led off the 10th inning with a double. He would eventually score on an Andrew Navigato sacrifice fly.