Lee Chang-ho
In May, Iyama reached the challenger finals for the 65th Honinbo, but lost to Keigo Yamashita. As a result, for finishing runner-up of the NHK Cup in 2010, Iyama was qualified for the 22nd Asian TV Cup. He lost to Lee Chang-ho in the first round. Iyama was also a representative of the Japanese team at the 16th Asian Games. In October 2010, Iyama was invited to the World Meijin tournament along with Gu Li and Lee Chang-ho. Iyama finished in third place. Iyama then defended his Meijin title in straight wins against Shinji Takao.