GREENSBORO, N.C. -- Derek Ernst from UNLV shot a 6-under 65 for a one-shot lead on John-Tyler Griffin of Georgia Tech after the first round of the U.S. Amateur Public Links on Monday.
Ernest, a 20-year-old from Clovis, Calif., made nine birdies at Bryan Park Golf and Conference Center, five during an eight-hole stretch on the back nine.
The rising junior had bogeys on the first two holes and another on No. 18.
Griffin, a senior from Wilson, N.C., had his lone bogey on the 14th hole.
Patrick Reed of Augusta, Ga., and Justin Lower of Canal Fulton, Ohio, are tied for third at 3-under.
The field of 156 players will be cut to 64 after Tuesday's second round. Match play begins Wednesday.