Tatsuki Koja

Tohoku Rakuten Golden Eagles

Tohoku Rakuten Golden Eagles

Tatsuki Koja

Tatsuki Koja

17

Tatsuki Koja

  • ERA

    ERA4.10

  • strike out rate

    K/97.81

  • BB rate

    BB/92.12

*FY2026

  • Biography

    Shonan Gakuin High School ~ Toin Yokohama University ~ Rakuten Eagles in 2024)

  • Titles won

Participation results

Season results

ERA 4.10 Appearance 12
CG 1 SHO 0
No Walk 0 Wins 1
Lose 6 H 0
Holds 0 Saves 0
W-L % .143 IP 68.0
hitter 285 HR 9
Strike Outs 59 BB 16
Hit By Pitch 3 Wild pitch 0
Bork 0 Runs Allowed 31
earned runs 31 BB/9 2.12
K/9 7.81 K/BB 3.69
WHIP 1.19 Avg .249
BABIP .283

Results by condition

pitcher statistics: by game
date result IP Number of pitch hitter H HR SO BB Hit By Pitch Runs Allowed earned runs ERA
July​ 12.0 192 52 13 1 13 2 1 6 6 4.50
7/23 6 99 27 7 0 7 1 1 3 3 4.10
7/12 Loss 6 93 25 6 1 6 1 0 3 3 4.06
6/10 Loss 1 20 4 0 0 1 0 1 1 1 4.02
6/3 6 102 21 2 0 5 1 0 0 0 3.93
5/27 Loss 4 73 18 6 2 5 0 1 4 4 4.41
5/16 Win 6 105 26 7 0 6 1 0 2 2 4.00
5/9 Loss 7 109 33 9 2 5 1 0 6 6 4.15
5/1 5.1 95 23 5 1 3 3 0 1 1 3.38
4/22 6 88 26 8 1 5 3 0 3 3 3.71
4/15 6.1 101 26 4 0 6 3 0 2 2 3.48
4/8 Loss 9 109 29 1 1 6 1 0 1 1 3.77
4/1 Loss 5.1 95 27 10 1 4 1 0 5 5 8.44
hitter statistics: by game
date AB H HR R RBI SO BB HBP SB SAC AVG Batting results (video)
July​ 0 0 0 0 0 0 0 0 0 0 -
7/23 0 0 0 0 0 0 0 0 0 0 .000
7/12 0 0 0 0 0 0 0 0 0 0 .000
6/10 0 0 0 0 0 0 0 0 0 0 .000
6/3 2 0 0 0 0 1 0 0 0 0 .000 Ground ball to first base, strikeout struck out
5/27 1 0 0 0 0 1 0 0 0 0 .000 struck out in the sky
5/16 0 0 0 0 0 0 0 0 0 0 .---
5/9 0 0 0 0 0 0 0 0 0 0 .---
5/1 0 0 0 0 0 0 0 0 0 0 .---
4/22 0 0 0 0 0 0 0 0 0 0 .---
4/15 0 0 0 0 0 0 0 0 0 0 .---
4/8 0 0 0 0 0 0 0 0 0 0 .---
4/1 0 0 0 0 0 0 0 0 0 0 .---
pitcher statistics: 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 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 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
2026 4.10 12 1 0 0 1 6 0 0 0 .143 68.0 285 9 59 16 3 0 0 2.12 7.81 3.69 1.19 .249 .283
Overall record 4.01 46 2 1 0 13 21 0 1 0 .382 258.1 1091 27 193 74 13 1 0 2.58 6.72 2.61 1.27 .258 .288

2026/7/28 03:08 更新

hitter statistics: 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 .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 .000 19 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 - - -
2026 .000 12 3 3 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 .000 .000 .000 .000 .000 .000 -
Overall record .000 46 6 4 0 0 0 0 0 0 1 3 0 0 2 0 0 0 0 .000 .000 .000 .000 .000 .000 -

2026/7/28 03:08 更新

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Tatsuki Koja