27 Sep 1968
Shozo Saijo beats Raul Rojas via unanimous decision 15/15
Featherweight (126 lb)
Shozo Saijo becomes the WBA Featherweight world champion
9 Feb 1969
Shozo Saijo beats Pedro Gomez via unanimous decision 15/15
7 Sep 1969
Shozo Saijo beats Jose Luis Pimentel via knockout 2/15
8 Feb 1970
Shozo Saijo beats Godfrey Stevens via unanimous decision 15/15
5 Jul 1970
Shozo Saijo beats Frankie Crawford via majority decision 15/15
28 Feb 1971
Shozo Saijo beats Frankie Crawford via unanimous decision 15/15
2 Sep 1971
Antonio Gomez beats Shozo Saijo via knockout 5/15