JOHNS CREEK, Ga. (AP) South Korea's Gunn Yang advanced to the U.S. Amateur quarterfinals Thursday, birdieing the final three holes to beat top-ranked Ollie Schniederjans 1 up at Atlanta Athletic Club.

Yang, a San Diego State sophomore making his first appearance in the tournament, was down a hole against Schniederjans, a senior at Georgia Tech, after 15 holes. Yang won the par-16th with a 6-foot putt, took the par-3 17th with another 6-footer and finished off the hometown favorite with a tap-in on the par-5 18th.

In the morning, Yang beat England's Paul Howard 4 and 3 in the round of 32. Yang will play Cameron Young of Scarborough, New York, in the quarterfinals.