Career As of May 17, 2009, Iwabuchi"s highest singles ranking was world number 223, which he reached on October 20, 2003.
Achievements Iwabuchi won one Association of Tennis Professionals Tour doubles title in his career, the 2005 Japan Open, where he and Takao Suzuki defeated Simon Aspelin and Todd Perry in straight sets 7-6(4), 7-6(4).