NJPW Big Fight Series 1973 - Day 4

was a wrestling event held by New Japan Pro Wrestling. It took place on April 5, 1973 at the Sano City Gymnasium in Sano, Tochigi.
==Results==
;
;
*Little Hamada defeated Seiei Kimura
*Masashi Ozawa defeated Yoshiaki Fujiwara
*Kotetsu Yamamoto defeated Tatsumi Fujinami (10:38)
*Arpad Weber defeated Shoji Kai
*Professor van Zyl defeated Katsuhisa Shibata
*Seiji Sakaguchi defeated Cyclone Soto (8:07)
*Antonio Inoki & Osamu Kido defeated Jozsef Molnar & Jan Wilkens
==External links==
* 
* Results