(鳳凰杯オープントーナメント戦) The Phoenix Cup was an unofficial Japanese title (don't count as title in the player's record), open to both pros and amateurs.
This tournament is known also as Houo Cup and was discontinued after 8 terms.
- 1st 2000: Oya Koichi d. Samejima Ichiro
- 2nd 2001: Sakai Hideyuki d. You Kyou?(楊橋)
- 3rd 2002: Kobayashi Satoru d. Sakai Hideyuki
- 4th 2003: Sakai Hideyuki d. Kobayashi Satoru
- 5th 2004: Hong Malgunsem d. Sakai Hideyuki
- 6th 2005: Qiu Jun d. Kato Atsushi
- 7th 2006: Qiu Jun d. Sakai Hideyuki
- 8th 2007: Yuki Satoshi d. Michael Redmond