The Ube Kosan Open was a professional golf tournament that was held in Japan from 1972 until 2001.

It was an event on the Japan Golf Tour.

In 1976, the Pepsi-Wilson Tournament, as it was then known, set a record for the longest sudden-death playoff in a major men's professional tournament.

It took Peter Thomson fourteen holes to defeat Graham Marsh, Brian Jones and Shozo Miyamoto.

This article on a golf tournament is a stub.