The 2017 Japan Series was the championship series of
Nippon Professional Baseball's postseason. The 68th edition of the
Japan Series, it was a
best-of-seven playoff between the
Fukuoka SoftBank Hawks of the
Pacific League and the
Yokohama DeNA BayStars of the
SoftBank finished in first place in the Pacific League during the
2017 regular season, while the BayStars advanced to the postseason after finishing in third place in the Central League. In the 2017
Climax Series, the Hawks defeated the
Tohoku Rakuten Golden Eagles to win the Pacific League Championship. The BayStars defeated the
Hiroshima Toyo Carp to become the Central League champions, becoming the first Central League team to finish in third place during the regular season to win a Climax Series.
The Hawks won the first three games of the series. Facing elimination, the BayStars won Games 4 and 5. Returning home, the Hawks won Game 6 to win the series, 4–2. Hawks' pitcher
Dennis Sarfate, with two saves and a Game 6 win, was named the
Japan Series Most Valuable Player (MVP).
Toshiro Miyazaki won the
Fighting Spirit Award, given to the best player on the losing team. This is the first Japan Series loss for the BayStars, having won in two previous appearances in 1960 and 1998.