He joined his friend Mark O'Meara, who won all five of his matches at the 1996 Presidents Cup,
and Shigeki Maruyama, who accomplished this feat in the 1998 Presidents Cup.
The western and southern parts of Sapporo are occupied by a number of mountains including Mount Teine, Maruyama, and Mount Moiwa,
as well as many rivers including the Ishikari River, Toyohira River, and Sōsei River.
Even DAMA's results have been called into question:
In December, Maruyama's team published that their detector,
a South-Korea based DAMA replica made of some 200 pounds of sodium iodide crystal, failed to reproduce its Italian predecessor's results.