KEY POINTS:
North Shore six-year-old Jack Green is ranked third top golfer in the world for his age group and the first Kiwi to have competed in the Callaway Golf Junior World Golf Championships at this age.
The San Diego tournament is the most prestigious junior competition in the world, attracting a field of more than 1000 golfers ranging from under-6 to 17.
It has been the debut stage for many golfing greats, including Tiger Woods who first won the championships at 10 and then every year until he was 17.