Oza title results

Nr	Year	Winner	Opponent	Score	Games
1	1953	Hashimoto Utaro	Maeda Nobuaki	1-0
2	1954	Takagawa Kaku	Miyashita Shuyo	2-1
3	1955	Hashimoto Utaro	Shimamura Toshihiro	2-1
4	1956	Hashimoto Utaro	Sakata Eio	2-0
5	1957	Shimamura Toshihiro	Handa Dogen	2-0
6	1958	Fujisawa Hosai	Handa Dogen	2-0
7	1959	Hashimoto Shoji	Yamabe Toshiro	2-0
8	1960	Handa Dogen	Miyashita Shuyo	2-0
9	1961	Sakata Eio	Takagawa Shukaku	2-1
10	1962	Miyashita Shuyo	Kada Katsuji	2-0
11	1963	Sakata Eio	Fujisawa Hosai	2-0
12	1964	Sakata Eio	Kajiwara Takeo	2-0
13	1965	Handa Dogen	Okubo Ichigen	2-0
14	1966	Sakata Eio	Rin Kaiho	2-1
15	1967	Fujisawa Shuko	Hashimoto Shoji	2-0
16	1968	Fujisawa Shuko	Sakata Eio	2-0	1 2
17	1969	Fujisawa Shuko	Otake Hideo	2-0
18	1970	Sakata Eio	Fujisawa Shuko	2-0
19	1971	Sakata Eio	Hashimoto Shoji	2-0
20	1972	Sakata Eio	Hashimoto Utaro	2-1
21	1973	Rin Kaiho	Sakata Eio	2-1
22	1974	Ishida Yoshio	Rin Kaiho	2-1
23	1975	Otake Hideo	Ishida Yoshio	2-0
24	1976	Cho Chikun	Otake Hideo	2-1	1 2 3
25	1977	Kudo Norio	Cho Chikun	2-0	1 2
26	1978	Ishida Yoshio	Kudo Norio	2-1
27	1979	Kato Masao	Ishida Yoshio	2-0
28	1980	Kato Masao	Ishida Yoshio	2-0
29	1981	Hashimoto Shoji	Kato Masao	2-1
30	1982	Kato Masao	Hashimoto Shoji	2-0	1 2
31	1983	Kato Masao	Otake Hideo	2-0
32	1984	Kato Masao	Yamashiro Hiroshi	3-0	1 2 3
33	1985	Kato Masao	Kobayashi Koichi	3-0	1
34	1986	Kato Masao	Rin Kaiho	3-1	1 2 3 4
35	1987	Kato Masao	Cho Chikun	3-1	1 2
36	1988	Kato Masao	Takemiya Masaki	3-0	1 2
37	1989	Kato Masao	Hane Yasumasa	3-1
38	1990	Hane Yasumasa	Kato Masao	3-2
39	1991	Fujisawa Shuko	Hane Yasumasa	3-1
40	1992	Fujisawa Shuko	Kobayashi Koichi	3-2
41	1993	Kato Masao	Fujisawa Shuko	3-0
42	1994	Cho Chikun	Kato Masao	3-2	1 2 3 4 5
43	1995	O Rissei	Cho Chikun	3-0	1 2 3
44	1996	Ryu Shikun	O Rissei	3-0
45	1997	Yamada Kimio	Ryu Shikun	3-1	1
46	1998	O Rissei	Yamada Kimio	3-0
47	1999	O Rissei	Cho Chikun	3-1	1 2 3 4
48	2000	O Rissei	Cho Chikun	3-1	1 2 3 4
49	2001	Cho Chikun	O Rissei	3-0	2

The 2nd to the 15th titles were knockout tournaments with a best-of-three final.
It changed to the challenger system from the 16th title on.
From the 32nd term, the title match changed from best-of-three to best-of-five.