Data period: 2023–2025 (JRA) / Target jockeys: 2026 active riders only / Win ROI = theoretical return per ¥100 bet on all starters
Trainer Shimizu Hisashi Complete Betting Guide【2023–2025 JRA Data Analysis】
3-year combined win ROI: 63.2%. Turf 67% / Dirt 33% split. 2026 active jockeys: ハマーハ Nobuyuki Yoshimura Ryusei Sakai 川端海翼 Ryuto Yokoyama Yutaka Take 河原田菜 荻野極 高杉吏麒 Kota Washigashira.
※ 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~1400m292 starts / ◎2 ○0
Win%: 9.6%Place%: 17.8%Show%: 29.8%ROI: 57.8%
💡 川端海翼・Yutaka Take stand out with ROI of 468.0%・110.0%. Primary win bet candidates.ROI is on an upward trend. Overall show rate 29.8% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | 川端海翼 | 5 | 20.0% | 40.0% | 60.0% | 468.0% |
| ◎ | Yutaka Take | 5 | 40.0% | 60.0% | 60.0% | 110.0% |
| ▲ | Nobuyuki Yoshimura | 32 | 9.4% | 15.6% | 34.4% | 72.5% |
| × | Ryusei Sakai | 8 | 0.0% | 0.0% | 50.0% | 0.0% |
| × | 河原田菜 | 7 | 0.0% | 0.0% | 14.3% | 0.0% |
Turf1401~1800m344 starts / ◎1 ○0
Win%: 5.5%Place%: 13.4%Show%: 20.9%ROI: 73.1%
💡 Ryusei Sakai stand out with ROI of 131.5%. Primary win bet candidates.ROI is on a slight downward trend. Overall show rate 20.9% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Ryusei Sakai | 13 | 23.1% | 23.1% | 23.1% | 131.5% |
| × | Nobuyuki Yoshimura | 64 | 3.1% | 6.2% | 17.2% | 32.7% |
| × | Yutaka Take | 11 | 0.0% | 9.1% | 18.2% | 0.0% |
| × | 河原田菜 | 5 | 0.0% | 20.0% | 40.0% | 0.0% |
Turf1801~2200m217 starts / ◎1 ○0
Win%: 6.5%Place%: 12.4%Show%: 19.8%ROI: 39.6%
💡 Ryusei Sakai stand out with ROI of 288.0%. Primary win bet candidates.ROI is on a slight downward trend.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Ryusei Sakai | 5 | 40.0% | 40.0% | 40.0% | 288.0% |
| ▲ | Yutaka Take | 12 | 25.0% | 50.0% | 50.0% | 61.7% |
| × | Nobuyuki Yoshimura | 43 | 2.3% | 2.3% | 9.3% | 11.2% |
| × | 川端海翼 | 6 | 0.0% | 0.0% | 0.0% | 0.0% |
Turf2201m+85 starts / ◎0 ○2
Win%: 14.1%Place%: 25.9%Show%: 29.4%ROI: 98.7%
💡 Kota Washigashira・Yutaka Take also show solid stats for win or place bets.ROI is on a slight downward trend. Overall show rate 29.4% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ○ | Kota Washigashira | 7 | 14.3% | 42.9% | 57.1% | 94.3% |
| ○ | Yutaka Take | 8 | 25.0% | 25.0% | 25.0% | 92.5% |
| × | Nobuyuki Yoshimura | 5 | 0.0% | 0.0% | 0.0% | 0.0% |
Dirt~1400m204 starts / ◎1 ○0
Win%: 5.4%Place%: 10.3%Show%: 17.2%ROI: 89.4%
💡 Nobuyuki Yoshimura stand out with ROI of 222.4%. Primary win bet candidates.ROI is on an upward trend.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Nobuyuki Yoshimura | 49 | 4.1% | 6.1% | 12.2% | 222.4% |
| × | Ryusei Sakai | 9 | 11.1% | 22.2% | 55.6% | 35.6% |
| × | Yutaka Take | 6 | 0.0% | 16.7% | 33.3% | 0.0% |
Dirt1401~1800m203 starts / ◎0 ○0
Win%: 6.9%Place%: 16.7%Show%: 25.6%ROI: 36.6%
💡 Overall ROI 36.6%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| × | Ryusei Sakai | 10 | 10.0% | 30.0% | 50.0% | 41.0% |
| × | Nobuyuki Yoshimura | 56 | 7.1% | 17.9% | 26.8% | 33.6% |
※ 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】 Turf ~1400m
◎ Jockeys: 川端海翼 (468.0%)・Yutaka Take (110.0%)
Overall ROI 57.8% / Show rate 29.8%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
🟡 Scenario B【Secondary】 Turf 1801~2200m
◎ Jockeys: Ryusei Sakai (288.0%)
Overall ROI 39.6% / Show rate 19.8%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
🟡 Scenario C【Secondary】 Dirt ~1400m
◎ Jockeys: Nobuyuki Yoshimura (222.4%)
Overall ROI 89.4% / Show rate 17.2%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
⚫ Conditions to Avoid
- Dirt 1401~1800m (overall ROI 36.6%): No ◎/○ jockeys. Place/Wide only.
📋 Jockey Substitution Checklist
| Jockey | Best Condition | Best ROI | Overall ROI | Recommended Bet |
|---|---|---|---|---|
| 高杉吏麒 | Dirt ~1400m | 1860.0% | 1860.0% | Place only |
| 川端海翼 | Turf ~1400m | 468.0% | 146.2% | Win◎ |
| Ryusei Sakai | Turf 1801~2200m | 288.0% | 81.4% | Win+Place |
| Nobuyuki Yoshimura | Dirt ~1400m | 222.4% | 69.6% | Place only |
| Yutaka Take | Turf ~1400m | 110.0% | 44.1% | Place only |
| Kota Washigashira | Turf 2201m+ | 94.3% | 184.2% | Win◎ |
| 河原田菜 | 0% | 0.0% | Place only | |
| Ryuto Yokoyama | 0% | 0.0% | Place only | |
| 荻野極 | 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 | 480 | 8.1% | 14.4% | 23.5% | 59.1% |
| 2024 | 450 | 7.6% | 15.6% | 24.7% | 59.7% |
| 2025 | 463 | 6.9% | 16.6% | 23.1% | 70.9% |
| Total | 1393 | 7.5% | 15.5% | 23.8% | 63.2% |
Turf Performance by Year × Distance
Turf Sprint (~1400m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 115 | 7.8% | 12.2% | 25.2% | 34.3% |
| 2024 | 96 | 12.5% | 22.9% | 34.4% | 91.1% |
| 2025 | 81 | 8.6% | 19.8% | 30.9% | 51.9% |
Turf Mile (1401~1800m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 125 | 9.6% | 18.4% | 25.6% | 91.9% |
| 2024 | 122 | 4.1% | 10.7% | 20.5% | 67.6% |
| 2025 | 97 | 2.1% | 10.3% | 15.5% | 55.7% |
Turf Middle (1801~2200m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 61 | 9.8% | 13.1% | 26.2% | 65.4% |
| 2024 | 76 | 7.9% | 14.5% | 19.7% | 26.6% |
| 2025 | 80 | 2.5% | 10.0% | 15.0% | 32.2% |
Turf Long (2201m+)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 24 | 12.5% | 29.2% | 29.2% | 117.1% |
| 2024 | 28 | 21.4% | 35.7% | 42.9% | 138.9% |
| 2025 | 33 | 9.1% | 15.2% | 18.2% | 51.2% |
Dirt Performance by Year × Distance
Dirt Sprint (~1400m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 74 | 5.4% | 10.8% | 20.3% | 48.1% |
| 2024 | 66 | 4.5% | 9.1% | 10.6% | 38.8% |
| 2025 | 64 | 6.2% | 10.9% | 20.3% | 189.4% |
Dirt Middle (1401~1800m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 64 | 4.7% | 6.2% | 12.5% | 33.0% |
| 2024 | 53 | 1.9% | 11.3% | 30.2% | 8.1% |
| 2025 | 86 | 11.6% | 27.9% | 32.6% | 56.7% |
Dirt Long (1801~2200m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 11 | 9.1% | 9.1% | 9.1% | 22.7% |
| 2024 | 5 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | 15 | 13.3% | 33.3% | 33.3% | 26.7% |
Jockey Stats (3-Year Combined / 2026 Active Only)
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Nobuyuki Yoshimura | 257 | 5.1% | 9.7% | 19.1% | 69.6% |
| Ryusei Sakai | 50 | 16.0% | 24.0% | 42.0% | 81.4% |
| Yutaka Take | 46 | 15.2% | 28.3% | 32.6% | 44.1% |
| 河原田菜 | 22 | 0.0% | 4.5% | 13.6% | 0.0% |
| 川端海翼 | 16 | 6.2% | 12.5% | 18.8% | 146.2% |
| Kota Washigashira | 12 | 25.0% | 41.7% | 58.3% | 184.2% |
| Ryuto Yokoyama | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| 荻野極 | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| 高杉吏麒 | 1 | 100.0% | 100.0% | 100.0% | 1860.0% |
Key Jockey Breakdown: Turf × Dirt × Year
▶ 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 | 71 | 7.0% | 9.9% | 16.9% | 65.8% | 41 | 2.4% | 9.8% | 19.5% | 50.0% |
| 2025 | 73 | 1.4% | 4.1% | 19.2% | 3.0% | 72 | 8.3% | 15.3% | 20.8% | 151.9% |
| Total | 144 | 4.2% | 6.9% | 18.1% | 34.0% | 113 | 6.2% | 13.3% | 20.4% | 115.0% |
▶ Ryusei Sakai
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 17 | 23.5% | 29.4% | 47.1% | 169.4% | 12 | 8.3% | 16.7% | 41.7% | 34.2% |
| 2024 | 7 | 14.3% | 14.3% | 28.6% | 38.6% | 9 | 11.1% | 22.2% | 44.4% | 35.6% |
| 2025 | 3 | 0.0% | 0.0% | 0.0% | 0.0% | 2 | 50.0% | 100.0% | 100.0% | 95.0% |
| Total | 27 | 18.5% | 22.2% | 37.0% | 116.7% | 23 | 13.0% | 26.1% | 47.8% | 40.0% |
▶ Yutaka Take
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 7 | 0.0% | 0.0% | 0.0% | 0.0% | 8 | 0.0% | 12.5% | 25.0% | 0.0% |
| 2024 | 15 | 33.3% | 46.7% | 53.3% | 102.0% | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | 14 | 14.3% | 35.7% | 35.7% | 35.7% | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 36 | 19.4% | 33.3% | 36.1% | 56.4% | 10 | 0.0% | 10.0% | 20.0% | 0.0% |
▶ 河原田菜
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 7 | 0.0% | 0.0% | 14.3% | 0.0% | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | 3 | 0.0% | 33.3% | 66.7% | 0.0% | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | 5 | 0.0% | 0.0% | 0.0% | 0.0% | 5 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 15 | 0.0% | 6.7% | 20.0% | 0.0% | 7 | 0.0% | 0.0% | 0.0% | 0.0% |
▶ 川端海翼
| 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% | ||||
| 2024 | 7 | 14.3% | 28.6% | 42.9% | 334.3% | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | 6 | 0.0% | 0.0% | 0.0% | 0.0% | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 13 | 7.7% | 15.4% | 23.1% | 180.0% | 3 | 0.0% | 0.0% | 0.0% | 0.0% |
▶ Kota Washigashira
| 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 | 7 | 14.3% | 42.9% | 57.1% | 94.3% | 4 | 50.0% | 50.0% | 75.0% | 387.5% |
| Total | 7 | 14.3% | 42.9% | 57.1% | 94.3% | 5 | 40.0% | 40.0% | 60.0% | 310.0% |
▶ Ryuto Yokoyama
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | — | — | ||||||||
| 2024 | — | — | ||||||||
| 2025 | — | 1 | 0.0% | 0.0% | 0.0% | 0.0% | ||||
| Total | — | 1 | 0.0% | 0.0% | 0.0% | 0.0% | ||||
▶ 荻野極
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | — | — | ||||||||
| 2024 | — | — | ||||||||
| 2025 | 1 | 0.0% | 0.0% | 0.0% | 0.0% | — | ||||
| Total | 1 | 0.0% | 0.0% | 0.0% | 0.0% | — | ||||
▶ 高杉吏麒
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | — | — | ||||||||
| 2024 | — | — | ||||||||
| 2025 | — | 1 | 100.0% | 100.0% | 100.0% | 1860.0% | ||||
| Total | — | 1 | 100.0% | 100.0% | 100.0% | 1860.0% | ||||
Grade Race Performance (G1 / G2 / G3)
G1
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 7 | 0.0% | 14.3% | 14.3% | 0.0% |
| 2024 | 3 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | 5 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 15 | 0.0% | 6.7% | 6.7% | 0.0% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Yutaka Take | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
G2
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 6 | 0.0% | 33.3% | 33.3% | 0.0% |
| 2024 | 7 | 42.9% | 57.1% | 57.1% | 437.1% |
| 2025 | 5 | 20.0% | 20.0% | 40.0% | 148.0% |
| Total | 18 | 22.2% | 38.9% | 44.4% | 211.1% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Yutaka Take | 3 | 33.3% | 33.3% | 33.3% | 150.0% |
| Nobuyuki Yoshimura | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
G3
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 16 | 0.0% | 6.2% | 6.2% | 0.0% |
| 2024 | 11 | 18.2% | 18.2% | 18.2% | 115.5% |
| 2025 | 13 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 40 | 5.0% | 7.5% | 7.5% | 31.8% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Nobuyuki Yoshimura | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| Ryusei Sakai | 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.