1. List of winners
    Extra Inning Rules 

2. Teams by number of wins

3. Leagues by number of wins

4. Streaks and droughts

5. See also

The home team for games 1, 2 and eventually 6 and 7, alternates between the two leagues with the Pacific League having the advantage on the years ending with an odd number and the Central League on the years ending with an even number. Designated hitters are used if the team from the Pacific League hosts the game. There is a 40-man postseason roster limit, and the rule on drawn games is changed to 12 innings, since 2018. If the series is tied after the seventh game, a Game 8 will be held with the same team hosting Games 6 and 7 hosting this game. Only once a Game 8 has been played in Japan Series history, where the Seibu Lions defeated the Hiroshima Toyo Carp in 1986. In the event that Game 8 does not decide the series, the next game would be played at the stadium that hosted Games 3 through 5 after a day of rest, and games will continue until one team wins four games.

Historically, the Central League has been more successful in the Japan Series than the Pacific League, having won thirty-five times versus the Pacific League's thirty. The team with the most championships is the Yomiuri Giants, who have won the Japan Series twenty-two times. In 2004, the Pacific League instituted a three-team stepladder playoff format to determine the league champion, while the Central League champion had a long wait before the Japan Series. During this time, the Pacific League won four consecutive Series from 2003–2006. Starting with the 2007 postseason, both leagues adopted the Climax Series to determine their champions. The Climax Series involves the top three finishers in each league, though the format gives a significant advantage to the team with the best record in each league.

On November 6, 2010, the Chunichi Dragons and Chiba Lotte Marines played the longest game in Japan Series History. It lasted fifteen innings and resulted in a 2-2 draw.

List of winners

Kazuhisa Inao, as an exception, won the Fighting Spirit Award (in 1956) while playing for the victorius Nishitetsu Lions.

Extra Inning Rules

With changes introduced as of 2018, the current rules stipulate that the first seven games originally scheduled are called if tied after 12 innings, and if extra games are necessary, the games are played until a victor is decided (unlimited innings), with no curfew limitations.

Historically:

• Until 1966 (except 1964): Game is called at sunset (all games were played as day games)
  • 1964 (all games at night): No new inning may start after 10:30 p.m.
• 1967-1981: No new inning may start after 5:30 p.m.
• 1982-1986: No new inning may start after the game time reaches four-and-a-half hours
• 1987-1993: 18-inning limit until Game 7, unlimited innings Game 8 and onward (change introduced due to Game 8 being necessary in the 1986 series due to Game 1 being called after 14 innings)
• 1994: 18- (day game) / 15-inning (night game) limit until Game 7, unlimited innings Game 8 and onward
• 1995-2017: / 15-inning limit until Game 7, unlimited innings Game 8 and onward
  • The three-and-a-half hour cut-off rule used in the 2011 regular season was not used for the Japan Series.
• Since 2018: 12-inning limit until Game 7, unlimited innings Game 8 and onward

Teams by number of wins

{{sup|2}}The franchise currently known as the Fukuoka SoftBank Hawks had a Japan Series record of 2–8 as the Nankai Hawks.

{{sup|3}}The franchise currently known as the Orix Buffaloes had a Japan Series record of 3–7 as the Hankyu Braves, and 1–1 as the Orix BlueWave. It took its current name in 2005 after merging with the Osaka Kintetsu Buffaloes.

{{sup|4}}The franchise currently known as the Chiba Lotte Marines had a Japan Series record of 1–0 as the Mainichi Orions, 0–1 as the Daimai Orions, and 1–1 as the Lotte Orions.

{{sup|5}}The franchise currently known as the Hokkaido Nippon-Ham Fighters had a Japan Series record of 1–0 as the Toei Flyers.

{{sup|6}}The franchise has a Japan Series record of 1-0 as Yokohama Baystars and a Japan Series record of 1–0 as the Taiyō Whales.

{{sup|7}}The Osaka Kintetsu Buffaloes were merged with the Orix BlueWave in 2005 to form the Orix Buffaloes.

{{sup|8}}The Shochiku Robins were merged with the Taiyō Whales in 1953, eventually becoming the Yokohama DeNA BayStars.

Leagues by number of wins

Streaks and droughts

• The Yomiuri Giants won 9 consecutive Japan Series championships from 1965 to 1973. The second-longest streak is 3 consecutive championships, accomplished by the Yomiuri Giants (1951–1953), the Nishitetsu Lions (1956–1958), the Hankyu Braves (1975–1977), and twice by the Seibu Lions (1986–1988 and 1990–1992).
• The Yomiuri Giants also won 5 consecutive Central League pennants from 1955 to 1959, and 19 of the 23 Central League pennants from 1951 to 1973. The Giants also won two consecutive Central League pennants on several other occasions. The only other teams to win consecutive Central League pennants are the Hiroshima Toyo Carp (1979–1980), the Yakult Swallows (1992–1993), and the Chunichi Dragons twice (2006–2007 and 2010–2011).
• The Nankai Hawks won 3 consecutive Pacific League pennants twice (1951–1953 and 1964–1966). The Hankyu Braves won 9 of the 12 Pacific League pennants from 1967 to 1978, including 3 consecutive (1967–1969) and 4 consecutive (1975–1978). The Seibu Lions won 11 of the 14 Pacific League pennants from 1985 to 1998, including 4 consecutive (1985–1988) and 5 consecutive (1990–1994).
• Franchises have gone 20 years or more without a Japan Series championship over the following intervals:
  • Osaka Kintetsu Buffaloes, {{age|1949|11|1|2004|11|1}} years (1950–2004, the entire franchise history; the drought continues at {{age|1949|11|1}} years if one includes the history of the merged Orix Buffaloes)
  • Chunichi Dragons, {{age|1954|11|1|2006|11|1}} years (1955–2006)
  • Toei Flyers / Nippon-Ham Fighters, {{age|1962|11|1|2005|11|1}} years (1963–2005)
  • Taiyo Whales / Yokohama BayStars, {{age|1960|11|1|1997|11|1}} years (1961–1997)
  • Hanshin Tigers, {{age|1949|11|1|1984|11|1}} years (1950–1984)
  • Nankai/Fukuoka Hawks, {{age|1964|11|1|1998|11|1}} years (1965–1998)
  • Lotte Orions / Chiba Lotte Marines, {{age|1974|11|1|2004|11|1}} years (1975–2004)
  • Hiroshima Toyo Carp, {{age|1949|11|1|1978|11|1}} years (1950–1978)
  • Hiroshima Toyo Carp, {{age|1984|11|1}} years (1985–present)
  • Kokutetsu Swallows / Sankei Atoms / Yakult Swallows, {{age|1949|11|1|1977|11|1}} years (1950–1977)
  • Hanshin Tigers, {{age|1985|11|1}} years (1986–present)
  • Hankyu Braves, {{age|1949|11|1|1974|11|1}} years (1950–1974)
  • Mainichi/Daimai/Tokyo/Lotte Orions, {{age|1950|11|1|1973|11|1}} years (1951–1973)
  • Nishitetsu Lions / Seibu Lions, {{age|1958|11|1|1981|11|1}} years (1959–1981)
• Franchises have gone 20 years or more without a league pennant over the following intervals:
  • Taiyo Whales / Yokohama BayStars, {{age|1960|11|1|1997|11|1}} years (1961–1997)
  • Lotte Orions / Chiba Lotte Marines, {{age|1974|11|1|2004|11|1}} years (1975–2004)
  • Osaka Kintetsu Buffaloes, {{age|1949|11|1|1978|11|1}} years (1950–1978)
  • Hiroshima Toyo Carp, {{age|1949|11|1|1974|11|1}} years (1950–1974)
  • Nankai/Fukuoka Hawks, {{age|1973|11|1|1998|11|1}} years (1974–1998)
  • Nippon-Ham Fighters, {{age|1981|11|1|2005|11|1}} years (1982–2005)
  • Hiroshima Toyo Carp, {{age|1991|11|1}} years (1992–2016)
  • Hanshin Tigers, {{age|1964|11|1|1984|11|1}} years (1965–1984)

See also

• Nippon Professional Baseball
• Asia Series

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