The Oza title is recently decided in a best of five match. The challenger of the title holder is decided in a challenger knockout tournament featuring 16 players. The 49th edition gives you some idea of the tournament structure. Up to the 31st edition the title match was decided in a best to three match. Up to the 15th edition the title was decided by a match between the finalists of the knockout main tournament. Fujisawa Hideyuki was thus the first player to hold the title. The Japanese Title Overview page shows what's available.

Edition		Final		Details
69th	2021	Iyama Yuta	Shibano Toramaru	3-2
68th	2020	Shibano Toramaru	Kyo Kagen	3-1
67th	2019	Shibano Toramaru	Iyama Yuta	3-1
66th	2018	Iyama Yuta	Ichiriki Ryo	3-2
65th	2017	Iyama Yuta	Ichiriki Ryo	3-0
64th	2016	Iyama Yuta	Yu Zhengqi	3-0
63rd	2015	Iyama Yuta	Murakawa Daisuke	3-0
62nd	2014	Murakawa Daisuke	Iyama Yuta	3-2
61st	2013	Iyama Yuta	Cho U	3-1
60th	2012	Iyama Yuta	Cho U	3-0
59th	2011	Cho U	Hane Naoki	3-0
58th	2010	Cho U	Yamada Kimio	3-0
57th	2009	Cho U	Yamada Kimio	3-0
56th	2008	Cho U	Yamashita Keigo	3-1
55th	2007	Yamashita Keigo	Imamura Toshiya	1-0
54th	2006	Yamashita Keigo	Cho U	3-1
53rd	2005	Cho U	Yamashita Keigo	3-0
52nd	2004	Cho U	Yamashita Keigo	3-1
51st	2003	Cho U	O Meien	3-1
50th	2002	O Meien	Cho Chikun	3-2
49th	2001	Cho Chikun	O Rissei	3-0
48th	2000	O Rissei	Cho Chikun	3-1
47th	1999	O Rissei	Cho Chikun	3-1
46th	1998	O Rissei	Yamada Kimio	3-0
45th	1997	Yamada Kimio	Ryu Shikun	3-1
44th	1996	Ryu Shikun	O Rissei	3-0
43rd	1995	O Rissei	Cho Chikun	3-0
42nd	1994	Cho Chikun	Kato Masao	3-2
41st	1993	Kato Masao	Fujisawa Shuko	3-0
40th	1992	Fujisawa Shuko	Kobayashi Koichi	3-2
39th	1991	Fujisawa Shuko	Hane Yasumasa	3-1
38st	1990	Hane Yasumasa	Kato Masao	3-2
37th	1989	Kato Masao	Hane Yasumasa	3-1
36th	1988	Kato Masao	Takemiya Masaki	3-0
35th	1987	Kato Masao	Cho Chikun	3-1
34th	1986	Kato Masao	Rin Kaiho	3-1
33rd	1985	Kato Masao	Kobayashi Koichi	3-0
32nd	1984	Kato Masao	Yamashiro Hiroshi	3-0
31st	1983	Kato Masao	Otake Hideo	2-0
30th	1982	Kato Masao	Hashimoto Shoji	2-0
29th	1981	Hashimoto Shoji	Kato Masao	2-1
28th	1980	Kato Masao	Ishida Yoshio	2-0
27th	1979	Kato Masao	Ishida Yoshio	2-0
26th	1978	Ishida Yoshio	Kudo Norio	2-1
25th	1977	Kudo Norio	Cho Chikun	2-0
24th	1976	Cho Chikun	Otake Hideo	2-1
23rd	1975	Otake Hideo	Ishida Yoshio	2-0
22nd	1974	Ishida Yoshio	Rin Kaiho	2-1
21st	1973	Rin Kaiho	Sakata Eio	2-1
20th	1972	Sakata Eio	Hashimoto Utaro	2-1
19th	1971	Sakata Eio	Hashimoto Shoji	2-0
18th	1970	Sakata Eio	Fujisawa Shuko	2-0
17th	1969	Fujisawa Shuko	Otake Hideo	2-0
16th	1968	Fujisawa Shuko	Sakata Eio	2-0
15th	1967	Fujisawa Shuko	Hashimoto Shoji	2-0
14th	1966	Sakata Eio	Rin Kaiho	2-1
13th	1965	Handa Dogen	Okubo Ichigen	2-0
12th	1964	Sakata Eio	Kajiwara Takeo	2-0
11th	1963	Sakata Eio	Fujisawa Hosai	2-0
10th	1962	Miyashita Hidehiro	Kada Katsuji	2-0
9th	1961	Sakata Eio	Takagawa Shukaku	2-1
8th	1960	Handa Dogen	Miyashita Hidehiro	2-0
7th	1959	Hashimoto Shoji	Yamabe Toshiro	2-0
6th	1958	Fujisawa Hosai	Handa Dogen	2-0
5th	1957	Shimamura Toshihiro	Handa Dogen	2-0
4th	1956	Hashimoto Utaro	Sakata Eio	2-0
3rd	1955	Hashimoto Utaro	Shimamura Toshihiro	2-1
2nd	1954	Takagawa Shukaku	Miyashita Hidehiro	2-1
1st	1953	Hashimoto Utaro	Maeda Nobuaki	1-0

In the overview players link to their biographies while results link to a detailed description of the edition.

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To find the name of a player in other languages such as Chinese or Korean please refer either to the dictionary pages, Internet Go Dictionary or their biography pages.

If you have additional information to the supplied info or if you can supply us with the results of other tournaments please send an E-mail about it and it will be included on these pages.