The opening night of New Japan Pro Wrestling's annual junior heavyweight round-robin tournament took place on May 18, 2018, at Korakuen Hall in Tokyo, Japan.

Taiji Ishimori
William Ospreay
BUSHI
YOH
ACH
Flip Gordon
Tiger Mask
Yoshinobu Kanemaru
Chase Owens
Marty Scurll
EVIL
Hiromu Takahashi