Tamawashi Ichirō (Japanese: 玉鷲 一朗, born 16 November 1984 as Batjargal Munkh-Orgil (Mongolian: Батжаргалын Мөнх-Оргил)) is a Mongolian professional sumo wrestler from Ulaanbaatar. He made his debut in January 2004 and reached the top makuuchi division in September 2008. His highest rank has been sekiwake. He has a makushita, a jūryō and two makuuchi division championships. He has seven gold stars for defeating a yokozuna, and four special prizes, all of them coming after he turned 30 years of age. He wrestles for Kataonami stable. He has not missed a bout in his career to date and has the longest streak of consecutive matches among active wrestlers. In January 2019, he won his first top-division championship, and his second in September 2022 at the age of 37, making him the oldest winner of