こんな記事を見つけました。2月のAT&T Pebble Beachに、プレジデントカップ出場選手の資格で参戦するようです。
http://www.examiner.com/x-1950-Monterey-Peninsula-Examiner~y2009m10d7-Presidents-Cup-2009-Five-ATT-Pebble-Beach-National-ProAm-wins-among-24player-field
http://sfgate.info/cgi-bin/article.cgi?f=/c/a/2009/10/11/SPQ31A3IKU.DTL
Ishikawa going to Pebble: Ryo Ishikawa, the 18-year-old Japanese prodigy, must have enjoyed his inaugural tournament appearance in Northern California. He has accepted a sponsor exemption to play in next year's AT&T Pebble Beach National Pro-Am, scheduled for Feb. 11-14.
The appearance at Pebble Beach will mark Ishikawa's debut in the AT&T.