On September 8, the 18th game between the Chiba Lotte Marines and Tohoku Rakuten Eagles held at Zozo Marine Stadium ended in a 3-2 win for the Chiba Lotte Marines.

In the bottom of the 3rd inning, the Chiba Lotte Marines took the lead with Kota Inoue 's 5th solo home run of the season, marking his second consecutive game with a home run. Starting pitcher Haruya Tanaka allowed 1 run in the top of the 4th inning with two outs and a runner on first, following a hit by YG Yasuda and a teammate's error, but otherwise delivered a pitch that tightened up in key moments.

Then, in the bottom of the 5th inning, the lineup created an opportunity with two outs when Tsuyoshi Yamasaki hit a triple, followed by Kyota Fujiwara hitting a timely hit to successfully take the lead. With this support, Tanaka struck out three consecutive batters in the top of the 7th inning and left the mound after 7 innings, 125 pitches, 5 hits, 0 walks or Hit by Pitch, 8 strike outs, and 1 run (0 earned runs).

​Shota Suzuki kept the opponents scoreless in the top of the 8th inning, but in the top of the 9th, Rikuto Yokoyama gave up a timely hit to tie the game, leading into the final bottom of the 9th. After gaining an opportunity with two consecutive Hit by Pitch, Koki Yamaguchi stepped into the batter's box. With a count of 2-1, he hit a walk-off timely hit that went over the center fielder playing in shallow defense, ending the game at 3-2.

For the victorious Chiba Lotte Marines, Yamaguchi performed well with 2 hits and 1 RBI, including his third walk-off hit of the season. On the other hand, for the Tohoku Rakuten Eagles, starting pitcher Kenta Maeda allowed 8 hits and 2 runs in 6 innings. The lineup managed to tie the game late, but fell just short. Additionally, Rui Muneyama showed great spirit with 3 hits.

1 2 3 4 5 6 7 8 9 Total
E 0 0 0 1 0 0 0 0 1 2
M 0 0 1 0 1 0 0 0 1 X 3

E Kenta Maeda-Ryu Kutani-Katsutoshi Tai-●Naoto Nishiguchi
M Haruya Tanaka-Shota Suzuki-○Rikuto Yokoyama