SMASH 4

 took place in Tokyo, Japan. The event took place on June 25, 2010. It was broadcast on Samurai! TV on July 20, 2010.

Results

 * Numbers in parentheses indicate the length of the match.
 * (c) refers to the champion(s) heading into the match.
 * Singles Match: AKIRA defeats Yusuke Kodama (8:31)
 * Tag Team Match: Akira Shoji & Mentallo defeat Kim Nanpun & Yun Gang Chul (10:36)
 * Singles Match: KUSHIDA defeats Isami Kodaka (11:54)
 * Six Man Tag Team Match: Hajime Ohara, Lin Bairon & TAJIRI defeat Heimo Ukonselkä, Jessica Love & Stark Adder (14:07)
 * 'Singles Match: Syuri defeats Kana (13:58)