Natsu Basho
1977

After day 15, Ōzeki Wakamisugi leads the tournament at 13–2. One win back, Yokozuna Kitanoumi leads the chase. Among the top ranks, Yokozuna Kitanoumi beat Wajima by yorikiri, Yokozuna Wajima lost to Kitanoumi by yorikiri, Ōzeki Takanohana beat Asahikuni by tsuridashi, Ōzeki Asahikuni lost to Takanohana by tsuridashi, Ōzeki Kaiketsu lost to Wakamisugi by yorikiri and Ōzeki Mienoumi lost to Kurohimeyama by tsukiotoshi. Kotonofuji (M9) and Sekiwake Kitaseumi remained out through kyūjō.

After day 14, Ōzeki Wakamisugi leads the tournament at 12–2. One win back, Yokozuna Kitanoumi and Yokozuna Wajima lead the chase. Among the top ranks, Yokozuna Kitanoumi beat Takanohana by yorikiri, Yokozuna Wajima beat Wakamisugi by tsuridashi, Ōzeki Takanohana lost to Kitanoumi by yorikiri, Ōzeki Asahikuni lost to Kaiketsu by yorikiri, Ōzeki Kaiketsu beat Asahikuni by yorikiri and Ōzeki Mienoumi lost to Takamiyama by yorikiri. Kotonofuji (M9) and Sekiwake Kitaseumi remained out through kyūjō.

After day 13, Ōzeki Wakamisugi leads the tournament at 12–1. Among the top ranks, Yokozuna Kitanoumi lost to Wakamisugi by yorikiri, Yokozuna Wajima beat Asahikuni by yorikiri, Ōzeki Takanohana beat Mienoumi by tsukitaoshi, Ōzeki Asahikuni lost to Wajima by yorikiri, Ōzeki Kaiketsu beat Tamanofuji by tsukiotoshi and Ōzeki Mienoumi lost to Takanohana by tsukitaoshi. Daio won by kakenage, a rarely seen technique. Sekiwake Kitaseumi remained out through kyūjō.

After day 12, Ōzeki Wakamisugi leads the tournament at 11–1. One win back, Yokozuna Kitanoumi leads the chase. Among the top ranks, Yokozuna Kitanoumi lost to Asahikuni by abisetaoshi, Yokozuna Wajima beat Washuyama by yorikiri, Ōzeki Takanohana lost to Kaiketsu by kotenage, Ōzeki Asahikuni beat Kitanoumi by abisetaoshi, Ōzeki Kaiketsu beat Takanohana by kotenage and Ōzeki Mienoumi lost to Wakamisugi by yorikiri. Sekiwake Kitaseumi remained out through kyūjō.

After day 11, Yokozuna Kitanoumi and Ōzeki Wakamisugi share the lead at 10–1. Among the top ranks, Yokozuna Wajima beat Fujizakura by oshidashi, Ōzeki Takanohana beat Kurohimeyama by tsukiotoshi, Ōzeki Asahikuni beat Masuiyama by yorikiri, Ōzeki Kaiketsu lost to Mienoumi by yorikiri and Ōzeki Mienoumi beat Kaiketsu by yorikiri. Kotonofuji (M9), Kirinji (M3) and Sekiwake Kitaseumi remained out through kyūjō.

After day 10, Yokozuna Kitanoumi and Ōzeki Wakamisugi share the lead at 9–1. One wrestler is one win behind the leader. Among the top ranks, Yokozuna Wajima beat Aobajo by yorikiri, Ōzeki Takanohana beat Fujizakura by tsukitaoshi, Ōzeki Asahikuni beat Arase by oshidashi, Ōzeki Kaiketsu beat Kurohimeyama by sukuinage and Ōzeki Mienoumi beat Kotokaze by yorikiri. Kotonofuji (M9), Kirinji (M3) and Sekiwake Kitaseumi remained out through kyūjō.

After day 9, Yokozuna Kitanoumi, Ōzeki Wakamisugi and Tamanofuji (M8) share the lead at 8–1. One wrestler is one win behind the leader. Among the top ranks, Yokozuna Wajima beat Kaneshiro by uwatenage, Ōzeki Takanohana beat Kaiki by uwatenage, Ōzeki Asahikuni beat Wakamisugi by yoritaoshi, Ōzeki Kaiketsu lost to Aobajo by yorikiri and Ōzeki Mienoumi lost to Kitanoumi by yorikiri. Kirinji (M3) remained out through kyūjō.

After day 8, Ōzeki Wakamisugi leads the tournament at 8–0. One win back, Yokozuna Kitanoumi leads the chase. Among the top ranks, Yokozuna Kitanoumi lost to Kurohimeyama by yoritaoshi, Yokozuna Wajima lost to Takanohana by yorikiri, Ōzeki Takanohana beat Wajima by yorikiri, Ōzeki Asahikuni beat Kotokaze by yorikiri, Ōzeki Kaiketsu beat Masuiyama by yorikiri and Ōzeki Mienoumi lost to Kaneshiro by yorikiri. Kirinji (M3) remained out through kyūjō.

After day 7, Yokozuna Kitanoumi and Ōzeki Wakamisugi share the lead at 7–0. One wrestler is one win behind the leader. Among the top ranks, Yokozuna Wajima beat Kirinji by fusen, Ōzeki Takanohana beat Kaneshiro by tsuridashi, Ōzeki Asahikuni lost to Kaiki by kirikaeshi, Ōzeki Kaiketsu lost to Washuyama by oshidashi and Ōzeki Mienoumi beat Fujizakura by uwatenage.

After day 6, Yokozuna Kitanoumi and Ōzeki Wakamisugi share the lead at 6–0. 2 wrestlers are one win behind the leader. Among the top ranks, Yokozuna Wajima beat Mienoumi by uwatedashinage, Ōzeki Takanohana beat Onobori by yorikiri, Ōzeki Asahikuni beat Aobajo by uchigake, Ōzeki Kaiketsu lost to Fujizakura by tsukidashi and Ōzeki Mienoumi lost to Wajima by uwatedashinage.

After day 5, Yokozuna Kitanoumi and Ōzeki Wakamisugi share the lead at 5–0. 5 wrestlers are one win behind the leader. Among the top ranks, Yokozuna Wajima beat Kotogatake by yorikiri, Ōzeki Takanohana beat Kotokaze by tsuridashi, Ōzeki Asahikuni lost to Kaneshiro by yorikiri, Ōzeki Kaiketsu lost to Kitanoumi by yorikiri and Ōzeki Mienoumi beat Kirinji by oshidashi.

After day 4, Yokozuna Kitanoumi and Ōzeki Wakamisugi share the lead at 4–0. One win back, Ōzeki Asahikuni and Ōzeki Kaiketsu lead the chase. Among the top ranks, Yokozuna Wajima lost to Kitaseumi by oshidashi, Ōzeki Takanohana lost to Arase by abisetaoshi, Ōzeki Asahikuni lost to Kirinji by yorikiri, Ōzeki Kaiketsu beat Kaiki by tsukiotoshi and Ōzeki Mienoumi beat Onobori by yorikiri. Haguroiwa won by utchari, a rarely seen technique.

After day 3, 5 wrestlers are tied for the lead at 3–0, among them Yokozuna Kitanoumi and Ōzeki Wakamisugi. One win back, Yokozuna Wajima and Ōzeki Kaiketsu lead the chase. Among the top ranks, Yokozuna Wajima beat Onobori by yorikiri, Ōzeki Takanohana lost to Kirinji by tsukiotoshi, Ōzeki Kaiketsu beat Kotokaze by sukuinage and Ōzeki Mienoumi lost to Asahikuni by oshidashi.

After day 2, 8 wrestlers are tied for the lead at 2–0, among them Yokozuna Kitanoumi and Ōzeki Wakamisugi. One win back, Yokozuna Wajima, Ōzeki Takanohana and Ōzeki Kaiketsu lead the chase. Among the top ranks, Yokozuna Wajima lost to Kurohimeyama by hikiotoshi, Ōzeki Takanohana beat Aobajo by tsuridashi, Ōzeki Kaiketsu lost to Kaneshiro by yorikiri and Ōzeki Mienoumi lost to Arase by yorikiri. Onoumi won by utchari, a rarely seen technique.

After day 1, 18 wrestlers are tied for the lead at 1–0, among them Yokozuna Kitanoumi and Yokozuna Wajima. One win back, Ōzeki Takanohana and Ōzeki Mienoumi lead the chase. Among the top ranks, Ōzeki Takanohana lost to Kitaseumi by yoritaoshi and Ōzeki Mienoumi lost to Aobajo by yorikiri.