Justin Kim of Fullerton, Calif., and Lilia Vu of Fountain Valley, Calif., lead after the first round of the Ping Invitational in Stillwater, Okla.
Kim shot an even-par 72 at Karsten Creek, home of the Oklahoma State golf teams. Kim shot a 2 over on the front nine before turning in a 2 under 34 on the back.
In second are Jacob Solomon, Dylan Meyer, Brad Dalke and Andy Zhang at 1-over. Another shot back are Jorge Garcia and Zachary Bauchou.
Vu, a 2015 graduate, also shot an even-par 72 for a one-shot lead. She posted six birdies and six bogeys on her scorecard.
Chasing Vu are Amy Lee, Nicole Morales, Andrea Lee and Kaitlyn Papp, who sit at 1 over for the tournament.