Natsu Basho
1980

After day 15, Yokozuna Kitanoumi leads the tournament at 14–1. Among the top ranks, Yokozuna Wakanohana lost to Kitanoumi by yorikiri, Yokozuna Wajima lost to Mienoumi by yorikiri, Yokozuna Mienoumi beat Wajima by yorikiri, Ōzeki Takanohana beat Masuiyama by tsuridashi and Ōzeki Masuiyama lost to Takanohana by tsuridashi. Tochiakagi (M2) remained out through kyūjō.

After day 14, Yokozuna Kitanoumi leads the tournament at 13–1. One win back, Yokozuna Wakanohana leads the chase. Among the top ranks, Yokozuna Wakanohana beat Mienoumi by yorikiri, Yokozuna Wajima lost to Kitanoumi by yorikiri, Yokozuna Mienoumi lost to Wakanohana by yorikiri, Ōzeki Takanohana lost to Kotokaze by oshidashi and Ōzeki Masuiyama lost to Tochihikari by oshitaoshi. Washuyama won by kekaeshi, a rarely seen technique. Tochiakagi (M2) remained out through kyūjō.

After day 13, Yokozuna Kitanoumi leads the tournament at 12–1. One win back, Yokozuna Wakanohana and Yokozuna Wajima lead the chase. Among the top ranks, Yokozuna Wakanohana beat Wajima by uwatenage, Yokozuna Wajima lost to Wakanohana by uwatenage, Yokozuna Mienoumi lost to Kitanoumi by uwatenage, Ōzeki Takanohana lost to Dewanohana by uwatenage and Ōzeki Masuiyama beat Hoo by uwatenage. Kurama won by tsuriotoshi, a rarely seen technique. Tochiakagi (M2) remained out through kyūjō.

After day 12, Yokozuna Kitanoumi and Yokozuna Wajima share the lead at 11–1. One win back, Yokozuna Wakanohana leads the chase. Among the top ranks, Yokozuna Wakanohana beat Amanoyama by sotogake, Yokozuna Mienoumi beat Takamiyama by sukuinage, Ōzeki Takanohana lost to Kitanoumi by uwatenage and Ōzeki Masuiyama beat Dewanohana by shitatehineri. Tochiakagi (M2) remained out through kyūjō.

After day 11, Yokozuna Kitanoumi and Yokozuna Wajima share the lead at 10–1. One win back, Yokozuna Wakanohana leads the chase. Among the top ranks, Yokozuna Wakanohana beat Masuiyama by kirikaeshi, Yokozuna Mienoumi lost to Kotokaze by yorikiri, Ōzeki Takanohana lost to Wajima by yorikiri and Ōzeki Masuiyama lost to Wakanohana by kirikaeshi. Tochiakagi (M2) remained out through kyūjō.

After day 10, Yokozuna Kitanoumi and Yokozuna Wajima share the lead at 9–1. One win back, Yokozuna Wakanohana and Yokozuna Mienoumi lead the chase. Among the top ranks, Yokozuna Wakanohana beat Kirinji by sukuinage, Yokozuna Mienoumi lost to Takanohana by utchari, Ōzeki Takanohana beat Mienoumi by utchari and Ōzeki Masuiyama lost to Wajima by oshidashi. Takanohana won by utchari, a rarely seen technique. Tochiakagi (M2) remained out through kyūjō.

After day 9, Yokozuna Kitanoumi, Yokozuna Wajima and Yokozuna Mienoumi share the lead at 8–1. One win back, Yokozuna Wakanohana leads the chase. Among the top ranks, Yokozuna Wakanohana beat Tamanofuji by yorikiri, Ōzeki Takanohana beat Ozutsu by yorikiri and Ōzeki Masuiyama beat Kurohimeyama by kirikaeshi. Tochiakagi (M2) remained out through kyūjō.

After day 8, Yokozuna Kitanoumi leads the tournament at 8–0. One win back, Yokozuna Wajima and Yokozuna Mienoumi lead the chase. Among the top ranks, Yokozuna Wakanohana beat Chiyonofuji by sotogake, Yokozuna Wajima beat Tamanofuji by uwatenage, Yokozuna Mienoumi lost to Kirinji by okuridashi, Ōzeki Takanohana beat Kurohimeyama by sukuinage and Ōzeki Masuiyama beat Ozutsu by yoritaoshi. Kirinji claimed a kinboshi over Yokozuna Mienoumi. Tochiakagi (M2) remained out through kyūjō.

After day 7, Yokozuna Kitanoumi and Yokozuna Mienoumi share the lead at 7–0. One win back, Yokozuna Wajima leads the chase. Among the top ranks, Yokozuna Wakanohana lost to Asashio by hatakikomi, Yokozuna Wajima beat Takamiyama by yoritaoshi, Ōzeki Takanohana beat Chiyonofuji by yorikiri and Ōzeki Masuiyama beat Kirinji by oshidashi. Tochiakagi (M2) remained out through kyūjō.

After day 6, Yokozuna Kitanoumi, Yokozuna Mienoumi and Sekiwake Kotokaze share the lead at 6–0. One win back, Yokozuna Wakanohana and Yokozuna Wajima lead the chase. Among the top ranks, Yokozuna Wakanohana beat Kurohimeyama by yoritaoshi, Yokozuna Wajima lost to Ozutsu by shitatenage, Ōzeki Takanohana lost to Asashio by yoritaoshi and Ōzeki Masuiyama beat Tamanofuji by uwatenage. Ozutsu claimed a kinboshi over Yokozuna Wajima. Tochiakagi (M2) remained out through kyūjō.

After day 5, 5 wrestlers are tied for the lead at 5–0, among them Yokozuna Kitanoumi and Yokozuna Wajima. One win back, Yokozuna Wakanohana leads the chase. Among the top ranks, Yokozuna Wakanohana beat Takamiyama by shitatenage, Ōzeki Takanohana beat Arase by okuridashi and Ōzeki Masuiyama lost to Mienoumi by okuridashi. Tochiakagi (M2) remained out through kyūjō.

After day 4, 5 wrestlers are tied for the lead at 4–0, among them Yokozuna Kitanoumi and Yokozuna Wajima. One win back, Yokozuna Wakanohana leads the chase. Among the top ranks, Yokozuna Wakanohana beat Zaonishiki by yorikiri, Ōzeki Takanohana beat Kirinji by yoritaoshi and Ōzeki Masuiyama lost to Chiyonofuji by yoritaoshi. Tochiakagi (M2) remained out through kyūjō.

After day 3, 6 wrestlers are tied for the lead at 3–0, among them Yokozuna Kitanoumi and Yokozuna Wajima. One win back, Yokozuna Wakanohana and Ōzeki Masuiyama lead the chase. Among the top ranks, Yokozuna Wakanohana lost to Kotokaze by oshidashi, Ōzeki Takanohana lost to Takamiyama by oshidashi and Ōzeki Masuiyama beat Washuyama by uwatenage. Tochiakagi (M2) remained out through kyūjō.

After day 2, 9 wrestlers are tied for the lead at 2–0, among them Yokozuna Kitanoumi and Yokozuna Wakanohana. One win back, Ōzeki Takanohana and Ōzeki Masuiyama lead the chase. Among the top ranks, Ōzeki Takanohana beat Washuyama by yoritaoshi and Ōzeki Masuiyama beat Asashio by shitatenage. Tochiakagi (M2) remained out through kyūjō.

After day 1, 18 wrestlers are tied for the lead at 1–0, among them Yokozuna Kitanoumi and Yokozuna Wakanohana. One win back, Ōzeki Takanohana and Ōzeki Masuiyama lead the chase. Among the top ranks, Ōzeki Takanohana lost to Tamanofuji by oshidashi and Ōzeki Masuiyama lost to Kotokaze by yoritaoshi. Tochiakagi (M2) remained out through kyūjō.