The following are the events in professional sumo during 1987. Tournaments Hatsu basho, Ryōgoku Kokugikan, Tokyo, 11 – 25 January Haru basho, Osaka Prefectural Gymnasium, Osaka, 8 – 22 March Natsu basho, Ryōgoku Kokugikan, Tokyo, 10 – 24 May Nagoya basho, Aichi Prefectural Gymnasium, Nagoya, 5 – 19 July Aki basho, Ryōgoku Kokugikan, Tokyo, 13 – 27 September Kyushu basho, Fukuoka International Centre, Kyushu, 6 – 20 November News January 25: Chiyonofuji wins his twentieth yūshō, becoming the third man after Taihō and Kitanoumi to reach this landmark. He defeats fellow yokozuna Futahaguro in a playoff after both men finish on 12–3. Futahaguro had beaten Chiyonofuji in their regulation match but could not do so a second time. Although this is his sixth runner-up performance, his first top division championship continues to elude him. Sekiwake Konishiki scores 10–5 and wins the Outstanding performance prize for his wins over both yokozuna. Masurao wins the Technique Award. Former komusubi Ōyutaka, who lost sekitori status in 1985, announces his retirement. He assumes the Arashio toshiyori or elder name and stays on as a coach at his stable. March 22: Ōzeki Hokutoumi wins his second championship with a score of 12–3, finishing one win ahead of stablemate Chiyonofuji and Konishiki on 11–4. New komusubi Masurao has a superb tournament, defeating two yokozuna and four ōzeki in the first seven days and is awarded the Outstanding Performance prize. Hananoumi wins the Technique prize and Tochinowaka the Fighting Spirit Award. Futahaguro drops out on the tenth day. In jūryō Takamisugi wins the yūshō while Kaiki announces his retirement. He stays in sumo as Takashima Oyakata. May 24: Ōzeki Onokuni wins his first yūshō with a perfect 15–0 record. He is the first man other than Chiyonofuji to win in the Ryōgoku Kokugikan which opened over two years before in January 1985. Runner-up is Hokutoumi on 13–2, who is promoted to yokozuna after the tournament. Kokonoe stable becomes the first since Takasago in 1949 to have two active yokozuna simultaneously. Konishiki is also promoted to ōzeki after a fine 12–3 score, becoming the first foreigner ever to reach sumo's second highest rank. He wins the fighting spirit prize while the other sekiwake Asahifuji gets the Technique prize. Masurao has another giant-killing tournament and wins another Outstanding performance prize. The jūryō yūshō is won by Onohana; the makushita championship by Akinoshima. Former sekiwake Kaneshiro (also known as Tochihikari)