| 2000 Japan Open Tennis Championships | |
|---|---|
| Date | 9–15 October |
| Edition | 27th |
| Category | International Series Gold (men) Tier III (women) |
| Prize money | $800,000 (men) $170,000 (women) |
| Surface | Hard / outdoor |
| Location | Tokyo, Japan |
| Venue | Ariake Coliseum |
| Champions | |
| Men's singles | |
 Sjeng Schalken[1] | |
| Women's singles | |
 Julie Halard-Decugis | |
| Men's doubles | |
 Mahesh Bhupathi /Leander Paes[2] | |
| Women's doubles | |
Julie Halard-Decugis / Corina Morariu | |
The2000 Japan Open Tennis Championships was atennis tournament played onoutdoor hard courts at theAriake Coliseum inTokyo, Japan that was part of theInternational Series Gold of the2000 ATP Tour and ofTier III of the2000 WTA Tour. It was the 27th edition of the tournament and was held from 9 October until 15 October 2000.Sjeng Schalken andJulie Halard-Decugis won the singles titles.[3]
Sjeng Schalken defeated
Nicolás Lapentti, 6–4, 3–6, 6–1
Julie Halard-Decugis defeatedAmy Frazier, 5–7, 7–5, 6–4
Mahesh Bhupathi /Leander Paes defeated
Michael Hill /Jeff Tarango, 6–4, 6–7(1–7), 6–3
Julie Halard-Decugis /Corina Morariu defeated
Tina Križan /Katarina Srebotnik, 6–1, 6–2