There was plenty of pressure on Henderson going into the tournament , but she showed no signs of cracking Thursday .
Henderson , the 16 - year - old amateur phenom , and Lee - Bentham are n't far off the pace .
There was plenty of pressure on Henderson going into the tournament , but Henderson showed no signs of cracking Thursday .
Henderson , the 16 - year - old amateur phenom , and Lee - Bentham are n't far off the pace .