Asked if his son would turn professional soon, Han Wen answered with an emphatic no.
"Not for a long time, maybe," Han Wen said. "Amateurs have fun. Enjoy it."
But if Guan keeps playing well, surely there will be pressure on him to turn pro before he's out of high school.
Golf is only beginning to catch on in China, making it a huge untapped market for the tours, sponsors and television. Guan is the first Chinese player with real star potential, and don't think golf's marketing gurus aren't already envisioning him as the Asian Tiger Woods.
There was even a little something Tiger-esque about the reaction Guan got Thursday. The galleries buzzed when he walked by. Kids followed him from hole to hole, running ahead so they could stake out spots to watch him.
"He's going to come right by us!" 12-year-old D.J. Kellar exclaimed after Guan's second shot on No. 2 landed on the right side of the fairway.
Pretty heady stuff for someone who arrived at Augusta National with six textbooks stuffed in his bag. Guan still goes to public school back home — math, English and history are his favorite subjects — and he spends at least 90 minutes a day studying.
But Guan is wise enough to know he's not going to contend at the Masters.
Not this year, at least.
"But I think I can win in the future," he said, flashing a smile.
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