Player Directory
Tohoku Rakuten Golden Eagles
Tatsuki Koja
Tatsuki Koja
17
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ERA
ERA3.70
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strike out rate
K/96.39
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BB Rate
BB/92.27
*Fiscal year 2025
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position
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birthday
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age
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height
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body weight
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Birthplace
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Pitching and batting
left-handed pitcher / left-handed hitter
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Blood type
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Draft Year
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Biography
Shonan Gakuin High School - Toin Yokohama University - 2024 Rakuten D①
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Titles won
Videos
![[Evolving with each game] Tatsuki Koja: "Although he still has some issues to address for his next appearance... he gave up three runs in the seventh inning and earned his sixth win of the season, tying him for the team lead!"](https://img.youtube.com/vi/0Nj2wj1zQog/sddefault.jpg)
![[Helped by good defense] Tatsuki Koja: "I left the game in the middle of a frustrating inning, but gave up one runs in the middle of the seventh inning and got my fourth win of the season!" (Pacific League TV Official) PacificLeagueTV Channel Subscribers: 1.56 million Subscribed: 76 Shares](https://img.youtube.com/vi/T6kdC1p9KNU/sddefault.jpg)
Participation results
pitcher performance: By year
| year | Team | ERA | Appearance | CG | SHO | No Walk | Wins | Lose | H | HP | SV | W-L % | IP | hitter | HR | SO | BB | Hit By Pitch | Wild pitch | Bork | BB/9 | K/9 | K/BB | WHIP | Avg | BABIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 |
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4.32 | 15 | 0 | 0 | 0 | 5 | 8 | 0 | 0 | 0 | .385 | 83.1 | 347 | 10 | 58 | 31 | 7 | 0 | 0 | 3.35 | 6.26 | 1.87 | 1.21 | .231 | .249 |
| 2025 |
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3.70 | 19 | 1 | 1 | 0 | 7 | 7 | 0 | 1 | 0 | .500 | 107.0 | 459 | 8 | 76 | 27 | 3 | 1 | 0 | 2.27 | 6.39 | 2.81 | 1.36 | .282 | .319 |
| Overall record | 3.97 | 34 | 1 | 1 | 0 | 12 | 15 | 0 | 1 | 0 | .444 | 190.1 | 806 | 18 | 134 | 58 | 10 | 1 | 0 | 2.74 | 6.34 | 2.31 | 1.29 | .261 | .290 | |
2025/12/7 03:08 更新
hitter performance: By year
| year | Team | AVG | GP | PA | AB | H | 2B | 3B | HR | TB | RBI | R | SO | BB | HBP | SAC | SF | SB | CS | GIDP | SLG | OPS | ISO | ISOD | BB/K | BABIP | AB/HR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 |
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.000 | 15 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | - | - |
| 2025 |
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.000 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | - | - | - |
| Overall record | .000 | 34 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | - | - | |
2025/12/7 03:08 更新
article
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Looking back at the game in which Tatsuki Koja pitched a brilliant 103 pitches to win his first complete game and shutout game win as a pro
Pacific League Insight
2025.11.18(火) 17:00
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Tohoku Rakuten wins first game of the series. Tatsuki Koja wins for the first time in about a month.
Pacific League Insight
2025.9.12(金) 21:18
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Tatsuki Koja pitched well, striking out 7 strike out 3 runs (2 earned runs) in 7 innings to set up the game.
Pacific League Insight
2025.8.27(水) 21:36
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