The Asia Series was an international club baseball competition, contested by the champions of all four of the professional leagues that are associated with the World Baseball Softball Confederation (WBSC) — Australian Baseball League (ABL), Chinese Professional Baseball League (CPBL), Korea Baseball Organization League, and Nippon Professional Baseball (NPB) — along with the CEB European Champion Cup holder and the host city, to bring the number of teams up to six.
The Australian national baseball team represents Australia in international baseball tournaments and competitions. It is ranked as the top team in Oceania, and is the Oceanian Champion, having been awarded the title in 2007 when New Zealand withdrew from the Oceania Baseball Championship. After achieving a last (16th) place in the 2013 World Baseball Classic, its rank dropped to 13, which is the lowest rank Australia ever received. The highest rank it has achieved is its current rank of 6th.
The Chinese Taipei baseball team is the national team of Taiwan. It is governed by the Chinese Taipei Baseball Association. The team is ranked fourth in the world by the World Baseball Softball Confederation, behind Japan, the United States, and South Korea respectively. The team is usually made up of professionals from Taiwan's Chinese Professional Baseball League, Japan's Nippon Professional Baseball, and Major League Baseball and Minor League Baseball from the United States.
The 1971 Asian Baseball Championship was the ninth continental tournament held by the Baseball Federation of Asia. The tournament was held in Seoul, South Korea for the second time, and was won by the hosts for their second Asian Championship; both times when hosting the tournament.
The 1975 Asian Baseball Championship was the eleventh continental tournament held by the Baseball Federation of Asia. The tournament was held in Seoul, South Korea for the third time, and was won by the hosts for their third Asian Championship; all three times when hosting the tournament.
The 1993 Asian Baseball Championship was the seventeenth continental tournament held by the Baseball Federation of Asia. The tournament was held in Perth, Australia for the second and likely last time; Australia has not participated in the tournament since joining the Baseball Confederation of Oceania. The tournament was won by defending champions Japan; their eleventh Asian Championship and their third consecutive title, equalling the record they set in two separate sequences previously: 1955-1959-1962 and 1965-1967-1967.
The 1954 Asian Baseball Championship was the first continental tournament held by the Baseball Federation of Asia, from 18 to 26 December. The tournament was held in Manila, Philippines, and was won by the host nation. 17,000 people attended the final game at Rizal Stadium to see Philippines defeat Japan 8–1. As of 2019, it is the only time that the Philippines have won the tournament. South Korea (3rd) and Taiwan (4th) were the other participants.
The 1955 Asian Baseball Championship was the second continental tournament held by the Baseball Federation of Asia. The tournament was held in Manila, Philippines for the second time. Won by Japan, it was the first of what would be three consecutive Asian Championship wins in a row. Taiwan (2nd), South Korea (3rd) and Philippines (4th) were the other participants.
The 1959 Asian Baseball Championship was the third continental tournament held by the Baseball Federation of Asia. The tournament was held in Tokyo, Japan for the first time. It was the second time Japan had won the tournament, and was the second of what would be three consecutive Asian Championship wins in a row. South Korea (2nd), Taiwan (3rd) and Philippines (4th) were the other participants.
The 1962 Asian Baseball Championship was the fourth continental tournament held by the Baseball Federation of Asia. The tournament was held in Taipei, Taiwan for the first time. It was the third time Japan had won the tournament, having won all three Asian Championships in a row. Taiwan (2nd), South Korea (3rd) and Philippines (4th) were the other participants.
The 1963 Asian Baseball Championship was the fifth continental tournament held by the Baseball Federation of Asia. The tournament was held in Seoul, South Korea for the first time, and was won by the hosts for their first Asian Championship. Japan and Taiwan shared second place, the first time that a medal position had been shared in the tournament's history. Philippines were the other participants.
The 1965 Asian Baseball Championship was the sixth continental tournament held by the Baseball Federation of Asia. The tournament was held in Manila, Philippines for the third time. Won by Japan for the fourth time, it was the first of what would be three consecutive Asian Championship wins in a row; the second such sequence for Japan. Defending champions South Korea (2nd), Taiwan (3rd) and Philippines (4th) were the other participants.
The 1967 Asian Baseball Championship was the seventh continental tournament held by the Baseball Federation of Asia. The tournament was held in Tokyo, Japan for the second time. Won by Japan for the fifth time, it was the second of what would be three consecutive Asian Championship wins in a row; the second such sequence for Japan. The order of all teams was repeated for the first time in the tournament's history with South Korea finishing 2nd, Taiwan in 3rd and Philippines in 4th.
The 1969 Asian Baseball Championship was the eighth continental tournament held by the Baseball Federation of Asia. The tournament was held in Taipei, Taiwan for the second time. Won by Japan for the sixth time, it was the third consecutive Asian Championship for the team; the second such sequence for Japan. It was only the second time in the tournament's history that the Philippines team medalled, winning the bronze medal. Taiwan (2nd) and South Korea (4th) were the other participants.
The 1973 Asian Baseball Championship was the tenth continental tournament held by the Baseball Federation of Asia. The tournament was held in Manila, Philippines for the fourth time. The tournament was won by Japan; their seventh Asian Championship. Defending champions South Korea (2nd), Taiwan (3rd), Philippines (4th) and Australia (5th) were the other participants.
The 1983 Asian Baseball Championship was the twelfth continental tournament held by the Baseball Federation of Asia. The tournament was held in Seoul, South Korea for the fourth time, and was won by the hosts for their fourth Asian Championship; all four times when hosting the tournament. This was the first time that South Korea had successfully defended their title, and the first time this was achieved by a team other than Japan.
The 1987 Asian Baseball Championship was the fourteenth continental tournament held by the Baseball Federation of Asia. The tournament was held in Tokyo, Japan for the third time. The tournament was won by Chinese Taipei; their first gold medal in the Asian Baseball Championship.
The 1989 Asian Baseball Championship was the fifteenth continental tournament held by the Baseball Federation of Asia. The tournament was held in Seoul, South Korea for the fifth time. The tournament was won by Japan for the ninth time. It was the first time that South Korea had not won an Asian Championship while hosting the tournament.
The 1991 Asian Baseball Championship was the sixteenth continental tournament held by the Baseball Federation of Asia. The tournament was held in Beijing, China for the first time. The tournament was won by the defending champions Japan; their tenth Asian Championship.
The 2011 Asia Series was the fifth time the Asia Series has been held, and the first after a two-year break. The tournament was held in Taiwan, the first time it has been held outside Japan. Though originally scheduled to commence on 11 November, the tournament was postponed by two weeks to allow for the delayed finish to the Nippon Professional Baseball (NPB) season due to the Tōhoku earthquake and tsunami. The new schedule has the opening games to be played on 25 November, and the championship game concluded the tournament on 29 November.
Australia 
South Korea (1983)
Japan (8th title)
Chinese Taipei 