ATLANTA (AP) -- Jimmy Beck and British teenager Sam Horsfield shared the lead at 6-under-par after the first round of stroke play qualifying at the U.S. Amateur Championship on Monday.
Beck had a 65 on the Atlanta Athletic Club's par-71 Highlands Course and Horsfield shot 66 on the par-72 Riverside Course.
Lee McCoy was one shot back after a 67 on Riverside. Tied for fifth at 4-under were Jonathan Garrick, who shot 67 on Highlands, and Cameron Young of Scarsborough with a 68 on Riverside.
The field of 312 players will be cut to 64 after Tuesday's round. The format then switches to match play on Wednesday, leading up to the championship on Sunday.