SMASH 18

 took place in Tokyo, Japan. The event took place on June 9, 2011. It was broadcast on Samurai! TV on June 20, 2011.

Results

 * Numbers in parentheses indicate the length of the match.
 * (c) refers to the champion(s) heading into the match.
 * Tag Team Match: The Bodyguard & Zeus defeat Yoshiaki Yago & Yuji Kito (4:32)
 * SMASH Title Tournament First Round Match: Shinya Ishikawa defeats Yusuke Kodama (7:51)
 * SMASH Title Tournament First Round Match: AKIRA defeats Takashi Iizuka by DQ (8:37)
 * SMASH Title Tournament First Round Match: TAJIRI defeats FUNAKI (7:53)
 * SMASH Title Tournament First Round Match: Genichiro Tenryu defeats Michael Kovac (5:56)
 * SMASH Title Tournament First Round Match: Hajime Ohara defeats Ultimo Dragon (17:20)
 * SMASH Diva Title Tournament First Round Match: Kana defeats Lin Bairon (8:51) by TKO
 * SMASH Diva Title Tournament First Round Match: Syuri defeats Hikaru Shida (11:24)