Data period: 2023–2025 (JRA) / Target jockeys: 2026 active riders only / Win ROI = theoretical return per ¥100 bet on all starters
Trainer Tanaka Katsunori Complete Betting Guide【2023–2025 JRA Data Analysis】
3-year combined win ROI: 78.0%. Turf 43% / Dirt 57% split. 2026 active jockeys: 亀田温心 Yuichi Kitamura Nobuyuki Yoshimura 国分恭介 Nozomi Iwata Keita Tosaki Takeshi Yokoyama 荻野極 菅原明良.
※ Signal ratings apply only to jockeys with 2026 riding records at this stable.
🚦 Distance-Based Betting Signals
◎Top Pick: ROI 100%+○Strong: ROI 80%+ & WinRate 8%+▲Watch: ROI 60%+ & WinRate 6%+×Avoid
Turf~1400m102 starts / ◎0 ○0
Win%: 5.9%Place%: 9.8%Show%: 15.7%ROI: 41.1%
💡 Overall ROI 41.1%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ▲ | Yuichi Kitamura | 13 | 7.7% | 7.7% | 15.4% | 86.2% |
Turf1401~1800m75 starts / ◎0 ○0
Win%: 14.7%Place%: 25.3%Show%: 30.7%ROI: 97.1%
💡 Overall ROI 97.1%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| × | Yuichi Kitamura | 18 | 11.1% | 22.2% | 22.2% | 26.1% |
Turf1801~2200m85 starts / ◎1 ○0
Win%: 12.9%Place%: 22.4%Show%: 34.1%ROI: 87.2%
💡 Yuichi Kitamura stand out with ROI of 168.6%. Primary win bet candidates.ROI is on a slight downward trend. Overall show rate 34.1% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Yuichi Kitamura | 7 | 42.9% | 57.1% | 57.1% | 168.6% |
| × | Nobuyuki Yoshimura | 5 | 20.0% | 40.0% | 40.0% | 40.0% |
Turf2201m+37 starts / ◎0 ○0
Win%: 24.3%Place%: 45.9%Show%: 54.1%ROI: 81.4%
💡 Overall ROI 81.4%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| No data for 2026 active jockeys | ||||||
Dirt~1400m155 starts / ◎1 ○1
Win%: 9.7%Place%: 19.4%Show%: 26.5%ROI: 88.5%
💡 Yuichi Kitamura stand out with ROI of 183.8%. Primary win bet candidates.亀田温心 also show solid stats for win or place bets.ROI is on a slight downward trend. Overall show rate 26.5% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Yuichi Kitamura | 21 | 9.5% | 19.0% | 28.6% | 183.8% |
| ○ | 亀田温心 | 8 | 12.5% | 12.5% | 12.5% | 87.5% |
Dirt1401~1800m193 starts / ◎1 ○0
Win%: 11.9%Place%: 22.8%Show%: 33.2%ROI: 67.0%
💡 亀田温心 stand out with ROI of 290.0%. Primary win bet candidates.ROI is on a slight downward trend. Overall show rate 33.2% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | 亀田温心 | 7 | 57.1% | 71.4% | 71.4% | 290.0% |
| × | Takeshi Yokoyama | 6 | 16.7% | 33.3% | 33.3% | 50.0% |
| × | Yuichi Kitamura | 20 | 15.0% | 20.0% | 35.0% | 45.5% |
※ Jockeys with fewer than 5 starts excluded. Target jockeys limited to 2026 active riders.
⚡ Trainer Betting Strategy
Actionable betting scenarios based on 2026 active jockey data.
🔴 Scenario A【Top Priority】 Dirt 1401~1800m
◎ Jockeys: 亀田温心 (290.0%)
Overall ROI 67.0% / Show rate 33.2%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
🟡 Scenario B【Secondary】 Dirt ~1400m
◎ Jockeys: Yuichi Kitamura (183.8%)
Overall ROI 88.5% / Show rate 26.5%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
🟡 Scenario C【Secondary】 Turf 1801~2200m
◎ Jockeys: Yuichi Kitamura (168.6%)
Overall ROI 87.2% / Show rate 34.1%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
⚫ Conditions to Avoid
- Turf ~1400m (overall ROI 41.1%): No ◎/○ jockeys. Place/Wide only.
📋 Jockey Substitution Checklist
| Jockey | Best Condition | Best ROI | Overall ROI | Recommended Bet |
|---|---|---|---|---|
| Nobuyuki Yoshimura | Turf 1401~1800m | 620.0% | 91.1% | Win+Place |
| 亀田温心 | Turf 1401~1800m | 600.0% | 178.6% | Win◎ |
| Keita Tosaki | Turf 1801~2200m | 440.0% | 146.7% | Place only |
| Yuichi Kitamura | Dirt ~1400m | 183.8% | 95.5% | Win+Place |
| Nozomi Iwata | Dirt ~1400m | 130.0% | 48.8% | Place only |
| Takeshi Yokoyama | Dirt 1401~1800m | 50.0% | 37.5% | Place only |
| 国分恭介 | 0% | 0.0% | Place only | |
| 菅原明良 | 0% | 0.0% | Place only |
📊 Data Details (Supporting Evidence)
Detailed stats supporting the signal ratings above.
Overall Performance by Year
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 236 | 13.1% | 22.9% | 30.9% | 92.8% |
| 2024 | 223 | 13.0% | 22.4% | 30.5% | 98.3% |
| 2025 | 238 | 9.2% | 18.9% | 27.3% | 44.4% |
| Total | 697 | 11.8% | 21.4% | 29.6% | 78.0% |
Turf Performance by Year × Distance
Turf Sprint (~1400m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 48 | 6.2% | 10.4% | 14.6% | 30.4% |
| 2024 | 29 | 6.9% | 6.9% | 13.8% | 63.8% |
| 2025 | 25 | 4.0% | 12.0% | 20.0% | 35.2% |
Turf Mile (1401~1800m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 30 | 20.0% | 36.7% | 46.7% | 149.7% |
| 2024 | 16 | 12.5% | 18.8% | 18.8% | 46.2% |
| 2025 | 29 | 10.3% | 17.2% | 20.7% | 70.7% |
Turf Middle (1801~2200m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 15 | 13.3% | 26.7% | 33.3% | 73.3% |
| 2024 | 30 | 16.7% | 26.7% | 40.0% | 160.0% |
| 2025 | 40 | 10.0% | 17.5% | 30.0% | 37.8% |
Turf Long (2201m+)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 6 | 33.3% | 66.7% | 83.3% | 193.3% |
| 2024 | 16 | 31.2% | 62.5% | 75.0% | 81.9% |
| 2025 | 15 | 13.3% | 20.0% | 20.0% | 36.0% |
Dirt Performance by Year × Distance
Dirt Sprint (~1400m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 57 | 10.5% | 22.8% | 28.1% | 115.4% |
| 2024 | 55 | 9.1% | 16.4% | 25.5% | 74.9% |
| 2025 | 43 | 9.3% | 18.6% | 25.6% | 70.2% |
Dirt Middle (1401~1800m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 59 | 11.9% | 18.6% | 28.8% | 60.8% |
| 2024 | 63 | 14.3% | 25.4% | 33.3% | 112.2% |
| 2025 | 71 | 9.9% | 23.9% | 36.6% | 32.1% |
Dirt Long (1801~2200m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 19 | 26.3% | 31.6% | 47.4% | 185.3% |
| 2024 | 14 | 7.1% | 14.3% | 14.3% | 145.0% |
| 2025 | 14 | 7.1% | 14.3% | 14.3% | 20.7% |
Jockey Stats (3-Year Combined / 2026 Active Only)
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Yuichi Kitamura | 82 | 14.6% | 22.0% | 29.3% | 95.5% |
| 亀田温心 | 22 | 27.3% | 31.8% | 31.8% | 178.6% |
| Nobuyuki Yoshimura | 9 | 22.2% | 33.3% | 33.3% | 91.1% |
| Takeshi Yokoyama | 8 | 12.5% | 25.0% | 25.0% | 37.5% |
| Nozomi Iwata | 8 | 25.0% | 25.0% | 37.5% | 48.8% |
| 国分恭介 | 7 | 0.0% | 14.3% | 14.3% | 0.0% |
| Keita Tosaki | 3 | 33.3% | 33.3% | 33.3% | 146.7% |
| 菅原明良 | 2 | 0.0% | 50.0% | 50.0% | 0.0% |
Key Jockey Breakdown: Turf × Dirt × Year
▶ Yuichi Kitamura
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 9 | 0.0% | 11.1% | 11.1% | 0.0% | 14 | 7.1% | 14.3% | 35.7% | 120.0% |
| 2024 | 15 | 20.0% | 26.7% | 33.3% | 105.3% | 12 | 25.0% | 33.3% | 41.7% | 75.8% |
| 2025 | 15 | 20.0% | 26.7% | 26.7% | 79.3% | 17 | 11.8% | 17.6% | 23.5% | 145.3% |
| Total | 39 | 15.4% | 23.1% | 25.6% | 71.0% | 43 | 14.0% | 20.9% | 32.6% | 117.7% |
▶ 亀田温心
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | — | 2 | 50.0% | 50.0% | 50.0% | 350.0% | ||||
| 2024 | — | 7 | 28.6% | 42.9% | 42.9% | 182.9% | ||||
| 2025 | 5 | 20.0% | 20.0% | 20.0% | 240.0% | 8 | 25.0% | 25.0% | 25.0% | 93.8% |
| Total | 5 | 20.0% | 20.0% | 20.0% | 240.0% | 17 | 29.4% | 35.3% | 35.3% | 160.6% |
▶ Nobuyuki Yoshimura
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | — | — | ||||||||
| 2024 | — | — | ||||||||
| 2025 | 6 | 33.3% | 50.0% | 50.0% | 136.7% | 3 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 6 | 33.3% | 50.0% | 50.0% | 136.7% | 3 | 0.0% | 0.0% | 0.0% | 0.0% |
▶ Takeshi Yokoyama
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | — | 2 | 0.0% | 0.0% | 0.0% | 0.0% | ||||
| 2024 | — | — | ||||||||
| 2025 | — | 6 | 16.7% | 33.3% | 33.3% | 50.0% | ||||
| Total | — | 8 | 12.5% | 25.0% | 25.0% | 37.5% | ||||
▶ Nozomi Iwata
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 1 | 0.0% | 0.0% | 0.0% | 0.0% | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | — | — | ||||||||
| 2025 | 2 | 0.0% | 0.0% | 0.0% | 0.0% | 4 | 50.0% | 50.0% | 75.0% | 97.5% |
| Total | 3 | 0.0% | 0.0% | 0.0% | 0.0% | 5 | 40.0% | 40.0% | 60.0% | 78.0% |
▶ 国分恭介
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | — | — | ||||||||
| 2024 | 1 | 0.0% | 0.0% | 0.0% | 0.0% | — | ||||
| 2025 | 2 | 0.0% | 0.0% | 0.0% | 0.0% | 4 | 0.0% | 25.0% | 25.0% | 0.0% |
| Total | 3 | 0.0% | 0.0% | 0.0% | 0.0% | 4 | 0.0% | 25.0% | 25.0% | 0.0% |
▶ Keita Tosaki
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 2 | 50.0% | 50.0% | 50.0% | 220.0% | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | — | — | ||||||||
| 2025 | — | — | ||||||||
| Total | 2 | 50.0% | 50.0% | 50.0% | 220.0% | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
▶ 菅原明良
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 1 | 0.0% | 100.0% | 100.0% | 0.0% | — | ||||
| 2024 | — | — | ||||||||
| 2025 | 1 | 0.0% | 0.0% | 0.0% | 0.0% | — | ||||
| Total | 2 | 0.0% | 50.0% | 50.0% | 0.0% | — | ||||
Grade Race Performance (G1 / G2 / G3)
G1
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 3 | 0.0% | 0.0% | 0.0% | 0.0% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Yuichi Kitamura | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
G2
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | 6 | 0.0% | 0.0% | 33.3% | 0.0% |
| 2025 | 3 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 10 | 0.0% | 0.0% | 20.0% | 0.0% |
G3
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 4 | 0.0% | 0.0% | 50.0% | 0.0% |
| 2024 | 5 | 20.0% | 20.0% | 20.0% | 156.0% |
| 2025 | 3 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 12 | 8.3% | 8.3% | 25.0% | 65.0% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Yuichi Kitamura | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
※ Extreme ROI values may reflect small samples with high-dividend races. Treat data with fewer than 10 starts as reference only.
※ This data is for reference purposes only and does not constitute investment advice.