He was 18 in 1994 when he won the first of his 3 U.S. Amateur Golf Championships
... 
year, Tiger still came in first in 5 of the 18 tournaments he entered, and ended the 
season... [DOC] [TLE] Tiger Woods wins first major - Apr 13, 1997 - HISTORY.com [PAR] He also captured the 1992 and 1993 Junior Amateur titles, and in 1994 ...