10 Feb 1993
Chana Porpaoin beats Hideyuki Ohashi via majority decision 12/12
Minimumweight (105 lb)
Chana Porpaoin becomes the WBA Minimumweight world champion
9 May 1993
Chana Porpaoin beats Carlos Murillo via unanimous decision 12/12
22 Aug 1993
Chana Porpaoin beats Ronnie Magramo via unanimous decision 12/12
28 Nov 1993
Chana Porpaoin beats Rafael Torres via knockout 4/12
26 Mar 1994
Chana Porpaoin beats Carlos Murillo via majority decision 12/12
3 Sep 1994
Chana Porpaoin beats Keum Young Kang via unanimous decision 12/12
5 Nov 1994
Chana Porpaoin beats Manuel Jesus Herrera via split decision 12/12
28 Jan 1995
Chana Porpaoin beats Jin Ho Kim via unanimous decision 12/12
6 Aug 1995
Chana Porpaoin beats Ernesto Rubillar via knockout 6/12
2 Dec 1995
Rosendo Alvarez beats Chana Porpaoin via split decision 12/12
16 Apr 2001
Chana Porpaoin beats Keitaro Hoshino via split decision 12/12
25 Aug 2001
Yutaka Niida beats Chana Porpaoin via unanimous decision 12/12