Top four seeds advance at Junior Amateur

Augusta, MO (Sports Network) - Stroke-play medalist Seung Yul Noh rolled to a 4 & 3 win over Jackson Beindorf in Wednesday's first round of stroke play at the U.S. Junior Amateur at Boone Valley Golf Club.Noh advances to the second round where he will face Daily Young, who easily defeated Ben Vertz, 5 & 3.Hunter Hamrick, who finished two strokes behind Noh in the stroke-play portion, barely survived his opening-round match. He trailed 2-down after seven, but rallied to win the next two holes.Hamrick advanced with a 1-up win when his opponent, Alex Lyall, tripped to a bogey at the last.Third-seeded James White downed Ryan Kelley, 4 & 2, while fourth-seeded Sean Dale held off Cameron Wilson, 1-up.Four of the top-10 seeds lost on Wednesday, including the fifth-seed Mu Hu. The China native was trounced 6 & 4 by Luke Guthrie. The other top seeds going down were John Popeck, Matt Nolasco and J.J. Spaun.Thursday will feature the second and third rounds of match play.