in Nalaikh, Ulan Bator, Mongolia is a former professional sumo wrestler. He fought out of Ōshima stable, with the first group of Mongolians ever to join the sport in Japan.

He made his debut in March 1992, and reached the top makuuchi division in January 1998. He received seven special prizes for Fighting Spirit, and won one yūshō (or tournament), in May 2012 from the maegashira ranks, which made him at 37 the oldest first–time yūshō winner and the oldest yūshō winner in sumo history overall, until his record was beaten by fellow Mongolian Tamawashi in September 2022. His highest rank was sekiwake, which he held on three occasions.

Kyokutenhō Masaru

In his exceptionally long career, he made more appearances in the top division than any other wrestler at 1470, and only Ōshio fought more than his 1870 career bouts. He was the first wrestler since the 1950s to be ranked in the top division after the age of 40.

Kyokutenhō Masaru

He announced his retirement in July 2015 and declared his intention to stay in sumo as an elder, having acquired Japanese citizenship in 2005. In 2017 he became the head coach of Tomozuna stable, changing his name and the stable to Ōshima in 2022.

Kyokutenhō Masaru

Career

In 1991, Tsevegnyam came to Japan with five other Mongolian wrestlers, including Kyokushūzan, joining Ōshima stable. They were the first Mongolians to join professional sumo. In Mongolia he had had little experience of wrestling or judo, concentrating on basketball in junior high school. Six months after they came to Japan, due to cultural difference, language problems, and the extremely harsh training methods used in sumo, Kyokutenhō, Kyokushūzan and three others ran away and sought refuge in the Mongolian embassy, but he was persuaded by Kyokutenzan to return to his stable.

In March 1996, he was promoted to the second highest jūryō division, achieving sekitori status for the first time. After temporarily dropping down to makushita, he slowly climbed the jūryō division and first won promotion to the top makuuchi division in January 1998. However, he did not establish himself in the division until May 1999. He won his first sanshō or special prize in January 2000. He first achieved a san'yaku rank in January 2002 when he was promoted to komusubi. He has earned two kinboshi or gold stars for yokozuna upsets at maegashira rank, defeating Takanohana in the latter's comeback tournament in September 2002 and fellow Mongolian Asashōryū in his first tournament as a yokozuna in March 2003. He also defeated Asashōryū and Musashimaru whilst ranked in san'yaku. He made his sekiwake debut in July 2003 but did not achieve a kachi-koshi or winning score in his three attempts at the rank.

On 28 April 2007 he caused a car accident in Tokyo. He was punished for defying the Japan Sumo Association's ban on wrestlers driving cars by being forced to sit out the May tournament, resulting in demotion to the jūryō division. This broke a string of over 700 consecutive top division bouts dating from his re-entry into makuuchi in May 1999, the longest streak among active wrestlers. However, he won immediate promotion back to the top division with a 12-3 record in July. On his return to the top division in September he was runner-up to yokozuna Hakuhō, his first ever runner-up score in makuuchi. He was awarded his fifth Fighting Spirit prize. In March 2009 he was promoted to komusubi for the first time in 17 tournaments, and became the first former san'yaku wrestler since Mitoizumi in 1988 to drop to the jūryō division and make a return to the san'yaku ranks. He made komusubi once again in July 2009.

Following the retirement of Kaiō in July 2011 Kyokutenhō became the longest serving member of the top division. It had been thought he would become head of Ōshima stable when Asahikuni reached the mandatory retirement age of sixty-five in April 2012, but Kyokutenhō was still comfortably ranked in the top division at the time, and active wrestlers are not permitted to become stablemasters. Instead he continued wrestling and transferred along with his colleagues to Tomozuna stable.