Rikishi Profile
Kosei Ko
Peak
Makushita 14 West
Heya
Azumazeki
Size
192cm / 170kg
Born
September 18, 1985
Retired
January 1, 2017
Debut
November 2003
Origin
China, Liaoning
Rank History
January 2017 Sandanme 9 WestNovember 2016 Makushita 58 EastSeptember 2016 Sandanme 47 WestJuly 2016 Sandanme 22 WestMay 2016 Sandanme 37 EastMarch 2016 Sandanme 22 WestJanuary 2016 Sandanme 36 WestNovember 2015 Sandanme 20 WestSeptember 2015 Sandanme 4 WestJuly 2015 Sandanme 15 EastMay 2015 Sandanme 42 EastMarch 2015 Sandanme 20 EastJanuary 2015 Makushita 58 WestNovember 2014 Sandanme 23 EastSeptember 2014 Sandanme 37 WestJuly 2014 Sandanme 11 WestMay 2014 Makushita 58 EastMarch 2014 Sandanme 18 EastJanuary 2014 Sandanme 3 EastNovember 2013 Sandanme 14 WestSeptember 2013 Sandanme 5 EastJuly 2013 Makushita 51 EastMay 2013 Sandanme 12 EastMarch 2013 Sandanme 24 WestJanuary 2013 Sandanme 53 WestNovember 2012 Sandanme 38 WestSeptember 2012 Sandanme 64 WestJuly 2012 Sandanme 45 EastMay 2012 Sandanme 10 EastMarch 2012 Makushita 53 WestJanuary 2012 Sandanme 11 WestNovember 2011 Makushita 54 WestSeptember 2011 Makushita 14 WestJuly 2011 Makushita 21 EastMay 2011 Makushita 40 EastJanuary 2011 Sandanme 18 WestNovember 2010 Sandanme 28 EastSeptember 2010 Sandanme 42 WestJuly 2010 Sandanme 61 EastMay 2010 Sandanme 41 EastMarch 2010 Sandanme 15 EastJanuary 2010 Sandanme 70 EastNovember 2009 Sandanme 32 EastSeptember 2009 Sandanme 8 EastJuly 2009 Sandanme 60 EastMay 2009 Sandanme 91 EastMarch 2009 Sandanme 63 EastJanuary 2009 Sandanme 82 EastNovember 2008 Sandanme 53 WestSeptember 2008 Sandanme 76 EastJuly 2008 Sandanme 96 EastMay 2008 Sandanme 81 EastMarch 2008 Sandanme 54 WestJanuary 2008 Sandanme 75 EastNovember 2007 Sandanme 94 EastSeptember 2007 Sandanme 80 WestJuly 2007 Sandanme 65 WestMay 2007 Sandanme 53 EastMarch 2007 Sandanme 84 WestJanuary 2007 Sandanme 67 EastNovember 2006 Sandanme 99 WestSeptember 2006 Jonidan 36 EastJuly 2006 Jonidan 14 WestMay 2006 Sandanme 86 WestMarch 2006 Jonidan 5 EastJanuary 2006 Sandanme 86 WestNovember 2005 Jonidan 4 WestSeptember 2005 Sandanme 87 EastJuly 2005 Jonidan 6 EastMay 2005 Jonidan 25 EastMarch 2005 Jonidan 47 WestJanuary 2005 Jonidan 74 WestNovember 2004 Jonidan 41 WestSeptember 2004 Jonidan 22 WestJuly 2004 Jonidan 102 EastMay 2004 Jonidan 41 WestMarch 2004 Jonidan 63 EastJanuary 2004 Jonokuchi 36 EastNovember 2003 Mae-zumo