Between 1990 and 2002, major steps were taken by ASA-ASIA which saw the vast growth and rapid development of Softball in Asia. It saw the introduction of Softball as a competitive sport in the 1990 Beijing Asian Games, its retention in the 1994 Hiroshima Asian Games, the 1998 Bangkok Asian Games and the 2002 Busan Asian Games, 2006 Doha Asian Games, 2010 Gungzhou Asian Games, 2014 Incheon Asian Games and 2018 Jakarta-Palembang Asian Games.

Thereafter, ASA-Asia has not failed to host regular Asian Championships for Men and Women, and introduced the Asian Junior Men (19 & Under) Championship in 2000 and Junior Women (19 & Under) Championship in 2002 on alternate basis. Asian members also played a vital role in the introduction of Women Softball competition in the 1996 Atlanta Olympics.