Hatsu Basho
1966

After day 15, Yokozuna Kashiwado leads the tournament at 14–1. One wrestler is one win behind the leader. Among the top ranks, Yokozuna Sadanoyama sat out, Yokozuna Taiho sat out, Yokozuna Tochinoumi sat out, Ōzeki Yutakayama lost to Kashiwado by yoritaoshi, Ōzeki Kitabayama beat Kitanofuji by kirikaeshi and Ōzeki Tochihikari lost to Fujinishiki by oshidashi. Kainoyama won by kekaeshi, a rarely seen technique. Yokozuna Sadanoyama, Yokozuna Taiho and Yokozuna Tochinoumi remained out through kyūjō.

After day 14, Yokozuna Kashiwado leads the tournament at 13–1. One wrestler is one win behind the leader. Among the top ranks, Yokozuna Sadanoyama sat out, Yokozuna Taiho sat out, Yokozuna Tochinoumi sat out, Ōzeki Yutakayama lost to Tochihikari by yoritaoshi, Ōzeki Kitabayama lost to Kashiwado by tsukiotoshi and Ōzeki Tochihikari beat Yutakayama by yoritaoshi. Yokozuna Sadanoyama, Yokozuna Taiho and Yokozuna Tochinoumi remained out through kyūjō.

After day 13, Yokozuna Kashiwado leads the tournament at 12–1. 2 wrestlers are one win behind the leader. Among the top ranks, Yokozuna Sadanoyama sat out, Yokozuna Taiho sat out, Yokozuna Tochinoumi sat out, Ōzeki Yutakayama lost to Kitanofuji by yoritaoshi, Ōzeki Kitabayama lost to Kotozakura by shitatenage and Ōzeki Tochihikari lost to Kainoyama by kekaeshi. Yokozuna Sadanoyama, Yokozuna Taiho and Yokozuna Tochinoumi remained out through kyūjō.

After day 12, Yokozuna Kashiwado and Tamanoshima (M8) share the lead at 11–1. One win back, Ōzeki Yutakayama leads the chase. Among the top ranks, Yokozuna Sadanoyama sat out, Yokozuna Taiho sat out, Yokozuna Tochinoumi sat out, Ōzeki Yutakayama beat Kainoyama by yorikiri, Ōzeki Kitabayama beat Wakamiyama by uwatedashinage and Ōzeki Tochihikari lost to Kashiwado by sabaori. Kashiwado won by sabaori, a rarely seen technique. Yokozuna Sadanoyama, Yokozuna Taiho and Yokozuna Tochinoumi remained out through kyūjō.

After day 11, Yokozuna Kashiwado, Tamanoshima (M8) and Kainoyama (M11) share the lead at 10–1. One win back, Ōzeki Yutakayama leads the chase. Among the top ranks, Yokozuna Sadanoyama lost to Kitabayama by fusen, Yokozuna Taiho sat out, Yokozuna Tochinoumi sat out, Ōzeki Yutakayama beat Daigo by uwatenage, Ōzeki Kitabayama beat Sadanoyama by fusen and Ōzeki Tochihikari beat Kitanofuji by shitatenage. Yokozuna Taiho and Yokozuna Tochinoumi remained out through kyūjō.

After day 10, Kainoyama (M11) leads the tournament at 10–0. One win back, Yokozuna Kashiwado leads the chase. Among the top ranks, Yokozuna Sadanoyama lost to Myobudani by sotogake, Yokozuna Taiho sat out, Yokozuna Kashiwado lost to Kitanofuji by hatakikomi, Yokozuna Tochinoumi sat out, Ōzeki Yutakayama beat Wakamiyama by yorikiri, Ōzeki Kitabayama lost to Tochihikari by yorikiri and Ōzeki Tochihikari beat Kitabayama by yorikiri. Fukunohana won by utchari, a rarely seen technique. Yokozuna Taiho and Yokozuna Tochinoumi remained out through kyūjō.

After day 9, Yokozuna Kashiwado and Kainoyama (M11) share the lead at 9–0. One wrestler is one win behind the leader. Among the top ranks, Yokozuna Sadanoyama lost to Daigo by uwatenage, Yokozuna Taiho sat out, Yokozuna Tochinoumi sat out, Ōzeki Yutakayama beat Hasegawa by tsuridashi, Ōzeki Kitabayama beat Tsurugamine by kirikaeshi and Ōzeki Tochihikari lost to Myobudani by hatakikomi. Daigo claimed a kinboshi over Yokozuna Sadanoyama. Yokozuna Taiho and Yokozuna Tochinoumi remained out through kyūjō.

After day 8, Yokozuna Kashiwado and Kainoyama (M11) share the lead at 8–0. One wrestler is one win behind the leader. Among the top ranks, Yokozuna Sadanoyama lost to Hasegawa by yorikiri, Yokozuna Taiho sat out, Yokozuna Tochinoumi sat out, Ōzeki Yutakayama beat Myobudani by yorikiri, Ōzeki Kitabayama beat Tochioyama by yorikiri and Ōzeki Tochihikari lost to Tsurugamine by uwatenage. Hasegawa claimed a kinboshi over Yokozuna Sadanoyama. Yokozuna Taiho and Yokozuna Tochinoumi remained out through kyūjō.

After day 7, Yokozuna Kashiwado and Kainoyama (M11) share the lead at 7–0. One wrestler is one win behind the leader. Among the top ranks, Yokozuna Sadanoyama beat Kiyokuni by uwatenage, Yokozuna Taiho sat out, Yokozuna Tochinoumi sat out, Ōzeki Yutakayama beat Tsurugamine by tsuridashi, Ōzeki Kitabayama lost to Daigo by yorikiri and Ōzeki Tochihikari beat Toyokuni by oshidashi. Yokozuna Taiho and Yokozuna Tochinoumi remained out through kyūjō.

After day 6, Yokozuna Kashiwado and Kainoyama (M11) share the lead at 6–0. 3 wrestlers are one win behind the leader. Among the top ranks, Yokozuna Sadanoyama beat Tsurugamine by yorikiri, Yokozuna Taiho sat out, Yokozuna Tochinoumi sat out, Ōzeki Yutakayama lost to Kotozakura by yoritaoshi, Ōzeki Kitabayama beat Hasegawa by kirikaeshi and Ōzeki Tochihikari lost to Daigo by shitatenage. Yokozuna Taiho and Yokozuna Tochinoumi remained out through kyūjō.

After day 5, Yokozuna Kashiwado, Tamanoshima (M8) and Kainoyama (M11) share the lead at 5–0. One win back, Ōzeki Yutakayama leads the chase. Among the top ranks, Yokozuna Sadanoyama beat Fujinishiki by yorikiri, Yokozuna Taiho sat out, Yokozuna Tochinoumi sat out, Ōzeki Yutakayama beat Tochioyama by tsukiotoshi, Ōzeki Kitabayama lost to Asasegawa by sukuinage and Ōzeki Tochihikari lost to Kotozakura by oshidashi. Yokozuna Taiho and Yokozuna Tochinoumi remained out through kyūjō.

After day 4, Yokozuna Kashiwado, Tamanoshima (M8) and Kainoyama (M11) share the lead at 4–0. One win back, Ōzeki Yutakayama leads the chase. Among the top ranks, Yokozuna Sadanoyama lost to Tochioyama by okuridashi, Yokozuna Taiho sat out, Yokozuna Tochinoumi sat out, Ōzeki Yutakayama lost to Kiyokuni by yoritaoshi, Ōzeki Kitabayama beat Myobudani by tsuridashi and Ōzeki Tochihikari lost to Hasegawa by yorikiri. Tochioyama claimed a kinboshi over Yokozuna Sadanoyama. Wakanami won by utchari, a rarely seen technique. Yokozuna Taiho and Yokozuna Tochinoumi remained out through kyūjō.

After day 3, 5 wrestlers are tied for the lead at 3–0, among them Yokozuna Kashiwado and Ōzeki Yutakayama. One win back, Yokozuna Sadanoyama leads the chase. Among the top ranks, Yokozuna Sadanoyama beat Toyokuni by sukuinage, Yokozuna Taiho sat out, Yokozuna Tochinoumi sat out, Ōzeki Kitabayama beat Kiyokuni by shitatehineri and Ōzeki Tochihikari lost to Wakamiyama by yorikiri. Yokozuna Taiho and Yokozuna Tochinoumi remained out through kyūjō.

After day 2, 12 wrestlers are tied for the lead at 2–0, among them Yokozuna Kashiwado and Ōzeki Yutakayama. One win back, Yokozuna Sadanoyama and Ōzeki Tochihikari lead the chase. Among the top ranks, Yokozuna Sadanoyama beat Kotozakura by oshidashi, Yokozuna Taiho sat out, Yokozuna Tochinoumi sat out, Ōzeki Kitabayama lost to Kirinji by tsuridashi and Ōzeki Tochihikari beat Asasegawa by sukuinage. Yutakayama won by sabaori, a rarely seen technique. Yokozuna Taiho and Yokozuna Tochinoumi remained out through kyūjō.

After day 1, 19 wrestlers are tied for the lead at 1–0, among them Yokozuna Kashiwado and Ōzeki Yutakayama. One win back, Yokozuna Sadanoyama, Ōzeki Kitabayama and Ōzeki Tochihikari lead the chase. Among the top ranks, Yokozuna Sadanoyama lost to Asasegawa by yoritaoshi, Yokozuna Taiho sat out, Yokozuna Tochinoumi sat out, Ōzeki Kitabayama lost to Fujinishiki by oshidashi and Ōzeki Tochihikari lost to Kiyokuni by kirikaeshi. Asasegawa claimed a kinboshi over Yokozuna Sadanoyama. Yutakayama won by tsuriotoshi, a rarely seen technique. Yokozuna Taiho and Yokozuna Tochinoumi remained out through kyūjō.