The team placed third in the Japan Championship that year, and he was recognized for his performance and selected as a national training player.

He played an active role as a key member of the national team, but lost to the United States in the third-place deciding match and failed to win a medal.

[3][5] In October 2015, Ikezaki won the Mitsubishi Corporation 2015 IWRF Asia Oceania Championship, earning a spot in the Rio de Janeiro Paralympics.

[4] At the 2016 Summer Paralympics, he lost to Australia in the semi-finals, but defeated Canada in the third-place deciding match to win the bronze medal.

On August 10, 2018, Japan defeated the Rio Paralympic champion Australia 62–61 in the World Championship final to win its first title, and Ikezaki was named Most Valuable Player (MVP).