He is discharged the following day. 22: Tachikawa, Tokyo Prefecture 23: Mishima, Shizuoka Prefecture 24: Odawara, Kanagawa Prefecture 25: Kasukabe, Saitama Prefecture 26: KITTE exhibition, Tokyo Prefecture 27: The banzuke for the upcoming Aki basho is released. Tochinoshin is in danger of demotion in only his second ōzeki tournament. Mitakeumi is East Sekiwake, his 10th straight tournament in sanyaku. Kotoyuki returns to makuuchi for the first time since March, while Takanosho, a 23 year old from Chiganoura stable, makes his top division debut. September 7: The matches for the first two days are announced, with all 70 sekitori expected to participate in the tournament. Kisenosato is paired against Ikioi on Day 1, who he has lost to only once in his career. 12: Day 4 sees three yokozuna all undefeated, the first time this has happened since the March 1989 tournament when Chiyonofuji, Hokutoumi and Onokuni were all 4–0. 22: Hakuhō marks his return from injury by defeating Goeidō to claim both his 41st championship and his 1000th win in the top division. 23: Hakuhō defeats Kakuryū (handing him his fifth straight loss in the tournament) to ensure a zensho-yusho, the 14th of his career. Kakuryū drops to 10–5, the same score as Kisenosato, who secures a majority of wins for the first time since his yokozuna debut in March 2017. Goeidō is the runner-up on 12–3, while his fellow ōzeki Takayasu and Tochinoshin finish on 11-4 and 9–6 respectively, the latter preserving his ōzeki status. There are no special prizes awarded for the first time since the sansho system was introduced in 1947. The jūryō championship is won by Tokushoryu who defeats Daiamami in a playoff after both wrestlers finish on 11–4. Ōrora, the heaviest sumo wrestler ever at , announces his retirement after 18 years in sumo. 25: Takanohana announces his resignation from the Japan Sumo Association stating that he was unable to comply with the organisation's demand that he retract the allegations made earlier in the year regarding the Takanoiwa case. Members of his stable are scheduled to move to Chiganoura. 25: The promotions to the jūryō division for the next tournament in Kyushu are announced. There are two newcomers: of the Nishikido stable and Oguruma stable's Tomokaze. Returning after two years in makushita is former sekiwake Toyonoshima. 27: Promotions for gyōji (referees) are announced, effective 25 December. The 11th Shikimori Kandayū (Hideki Imaoka) is elevated to