LIHUE, Kaua'i -- Nathan Irwin leads UC Irvine after the first day of the 45th John A. Burns Intercollegiate.

Irwin matched his season-low, shooting a 69 on the Ocean Course at Hokuala and is tied for 12^th place. He carded seven birdies with four coming in the final five holes. Irwin was tied for second in Par 5 scoring (-4).

Sophomore Kolbe Irei, who is coming off the individual title at the Orange County Collegiate Classic, shot an even par 72 on the first round and is tied for 37^th place.

Sophomore Darien Zhao is tied for 44^th with a score of 73, matching Irei with three birdies over the first 18 holes.

Sophomore Henry Fitzhugh is tied for 72^nd position with a total of 75 Thursday, while redshirt freshman Johnny Bai is tied for 91^st place at 78.

The Anteaters are tied for eighth with a first-round score of 289. UCI was second among tournament teams on Par 3 holes, shooting one over.

27^th-ranked Arizona leads by six shots, topping the field with 13-under par 275.

The second round will begin tomorrow at 8:30 a.m. (HT)/10:30 a.m. (PT).