Gunn opened the scoring in the 11th minute, and Bulliner doubled the lead just three minutes later, assisted by Lauren Service. Berry added a third goal in the 37th minute, assisted by Caroline Kauppi.
Oklahoma Baptist's Olivia Kenas scored in the 50th minute, assisted by Alanna Bloomingdale, but Thomas sealed the win for Harding with a goal in the 60th minute.
Harding goalkeeper Maysa Willis made seven saves, including several crucial stops in the second half, to preserve the win. Oklahoma Baptist's Claire Stoermer had three saves.
The Bisons (4-5-1, 3-1-1) were outshot 15-10, but held an edge in shots on goal, 7-6. Sam Sheffield led Oklahoma Baptist (3-5-2, 2-2-1) with six shots, three on goal.
Harding's balanced attack saw seven players record shots, with Bulliner and Berry each posting two. The Bisons' defense held strong despite Oklahoma Baptist's 11 second-half shots.
