TOKOROZAWA, Japan (Interstat) — Koki Yamaguchi drove in two runs and Kyota Fujiwara homered as the Chiba Lotte Marines defeated the Saitama Seibu Lions 5-1 on Saturday, Aug. 15, 2026, at Seibu Dome. Lotte scored one in the third, three in the eighth and one in the ninth, finishing with 11 hits. Seibu scored its only run in the fifth on Natsuo Takizawa’s single and managed six hits. Yamaguchi went 3 for 5 with two RBIs, Fujiwara was 1 for 5 with a solo homer and Ryusei Ogawa added two hits and an RBI. Shunsuke Nakamori pitched one-third inning for the win, improving to 4-1. Trey Wingenter took the loss, falling to 0-1. Chihiro Sumida allowed one earned run over seven innings with six strikeouts for Seibu. Andre Jackson gave up one earned run and struck out eight over 6 2/3 innings for Lotte. Hakua Iwaki allowed one hit in two-thirds of a scoreless inning, and Masaya Kuroda allowed one earned run over one inning. Shota Suzuki allowed one hit in a scoreless inning; Rikuto Yokoyama pitched one scoreless inning. Attendance was 26,241, and the game lasted 3 hours, 19 minutes. Lotte improved to 49-52-3; Seibu fell to 59-47-3.