2000 Japan Open Tennis Championships
The 2000 Japan Open Tennis Championships was a tennis tournament played on outdoor hard courts at the Ariake Coliseum in Tokyo, Japan that was part of the International Series Gold of the 2000 ATP Tour and of Tier III of the 2000 WTA Tour. It was the 27th edition of the tournament and was held from 9 October until 15 October 2000. Sjeng Schalken and Julie Halard-Decugis won the singles titles.