Chiba Lotte vs Tohoku Rakuten Prediction 17 September 2026
📡 Lotte are set for a second straight home game against the Pacific League's bottom club, but they come into this one on the back of a 0-4 shutout defeat. Despite that, the season series still swings in the hosts' favor at 14-7. The main talking point ahead of this matchup centers on 19-year-old Genki Ishigake: the projected top pick in the 2025 draft is making his first start for the senior squad, while Rakuten counter with the more seasoned Tatsuki Kojo.
Lotte maintain a clear advantage over Rakuten
📊 Even after a heavy 0-4 defeat, Lotte still hold a significant edge in this matchup. In their last ten head-to-head meetings, the hosts have claimed six wins and suffered four losses, outscoring their rivals 45-31. Back in September, Lotte swept Rakuten at home with victories of 3-2, 10-4, and 6-1, and over the course of the season they lead the series 14-7.
Head-to-head statistics Chiba Lotte - Tohoku Rakuten
Lotte are counting on Yamaguchi’s power after being shut out in their last game.
Lotte currently sit fifth with a 58-66-3 record. After dropping three straight to Fukuoka, they edged out Nippon-Ham 7-6 but then failed to score a single run against Rakuten. The team is batting .238 collectively, with 450 runs scored and 115 home runs on the season. Their primary power threat is Koki Yamaguchi, who’s hammered 30 homers, while Fumio Nishikawa has lifted his average to around .292, ranking among the Pacific League’s top hitters.
Match Results: Chiba Lotte Marines
Rakuten have bounced back after a seven-game losing streak.
Rakuten have put together back-to-back wins to halt their prolonged slump-first edging Seibu 1-0, then shutting out Lotte 4-0. Despite this brief resurgence, their season record stands at 49-78-1, and they remain anchored at the bottom of the standings. Offensively, Rakuten are hitting .239 and have scored 417 runs-33 fewer than Lotte. Their team ERA sits at 3.73, slightly better than the hosts’, but head-to-head results continue to trouble them: just seven wins against 14 defeats in the season series.
Match Results: Tohoku Rakuten Golden Eagles
⚾ Starting Pitchers
Genki Ishigake, a right-hander, is set to make his first appearance for the main squad on September 17. As a result, he has yet to record any NPB stats. In the farm system, Ishigake has pitched in 18 games, including two starts: a 7.20 ERA over 20 innings, allowing 19 hits, striking out 32, conceding 17 runs, and posting a WHIP of 2.20. His strikeout potential is evident, but 25 walks highlight significant control issues.
Tatsuki Koza, a lefty, enters with a 3.66 ERA over 17 starts and a 1-10 record. Across 96 innings, he’s given up 92 hits, struck out 84, allowed 45 runs, and owns a WHIP of 1.25. Koza has delivered eight quality starts and two complete games. While his ERA is respectable, his win-loss record remains among the weakest for regular starters in the league.
⭐ Editor’s Prediction
Ishigake’s debut on the mound makes backing Lotte a riskier proposition, especially with his minor league WHIP sitting at 2.20. However, the hosts hold a clear advantage in the head-to-head: they’ve claimed 14 wins from 21 meetings this season and have taken six of the last ten, including three home victories over Rakuten in September by scores of 3-2, 10-4, and 6-1. Koza’s ERA of 3.66 is respectable, but his 1-10 record highlights how rarely his starts translate into team wins. Lotte also lead in runs and home runs this season, with Yamaguchi providing a genuine power threat in the lineup. If Ishigake can get through the first four or five innings without major trouble, Lotte’s offense and bullpen should have enough to avenge yesterday’s shutout loss. Our pick: Lotte to win.
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Betting Tips: Chiba Lotte Marines - Tohoku Rakuten Golden Eagles
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