Data period: 2023–2025 (JRA) / Target jockeys: 2026 active riders only / Win ROI = theoretical return per ¥100 bet on all starters
Trainer Hayashi Toru Complete Betting Guide【2023–2025 JRA Data Analysis】
3-year combined win ROI: 57.4%. Turf 52% / Dirt 48% split. 2026 active jockeys: Christophe Lemaire 丸山元気 Yuji Tannai Dai Sasaki Keita Tosaki Akihide Tsumura Ryusen Funayama.
※ 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~1400m59 starts / ◎0 ○0
Win%: 10.2%Place%: 15.3%Show%: 18.6%ROI: 52.0%
💡 Overall ROI 52.0%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| × | Akihide Tsumura | 15 | 13.3% | 13.3% | 13.3% | 54.7% |
| × | Yuji Tannai | 6 | 16.7% | 50.0% | 50.0% | 51.7% |
Turf1401~1800m142 starts / ◎1 ○0
Win%: 16.2%Place%: 28.9%Show%: 35.2%ROI: 69.6%
💡 Keita Tosaki stand out with ROI of 176.8%. Primary win bet candidates.ROI is on a slight downward trend. Overall show rate 35.2% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Keita Tosaki | 19 | 42.1% | 68.4% | 68.4% | 176.8% |
| ▲ | Akihide Tsumura | 44 | 13.6% | 25.0% | 31.8% | 76.1% |
| ▲ | Christophe Lemaire | 10 | 40.0% | 50.0% | 50.0% | 73.0% |
| × | Yuji Tannai | 6 | 0.0% | 0.0% | 0.0% | 0.0% |
Turf1801~2200m107 starts / ◎1 ○0
Win%: 8.4%Place%: 15.9%Show%: 27.1%ROI: 57.4%
💡 Yuji Tannai stand out with ROI of 120.0%. Primary win bet candidates.ROI is on an upward trend. Overall show rate 27.1% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Yuji Tannai | 7 | 42.9% | 42.9% | 57.1% | 120.0% |
| × | Akihide Tsumura | 18 | 11.1% | 22.2% | 33.3% | 51.7% |
| × | Keita Tosaki | 10 | 10.0% | 30.0% | 50.0% | 38.0% |
| × | Christophe Lemaire | 5 | 0.0% | 20.0% | 20.0% | 0.0% |
Turf2201m+32 starts / ◎0 ○0
Win%: 25.0%Place%: 31.2%Show%: 34.4%ROI: 64.4%
💡 Overall ROI 64.4%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| × | Akihide Tsumura | 10 | 10.0% | 20.0% | 30.0% | 18.0% |
Dirt~1400m107 starts / ◎0 ○0
Win%: 7.5%Place%: 12.1%Show%: 15.0%ROI: 59.7%
💡 Overall ROI 59.7%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| × | Keita Tosaki | 11 | 9.1% | 18.2% | 18.2% | 37.3% |
| × | Akihide Tsumura | 16 | 12.5% | 12.5% | 12.5% | 31.9% |
| × | 丸山元気 | 6 | 0.0% | 0.0% | 0.0% | 0.0% |
Dirt1401~1800m188 starts / ◎0 ○0
Win%: 8.0%Place%: 16.5%Show%: 28.2%ROI: 41.9%
💡 Overall ROI 41.9%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ▲ | Christophe Lemaire | 7 | 42.9% | 57.1% | 71.4% | 74.3% |
| ▲ | Yuji Tannai | 10 | 10.0% | 30.0% | 40.0% | 63.0% |
| × | Keita Tosaki | 15 | 13.3% | 20.0% | 40.0% | 52.0% |
| × | Akihide Tsumura | 32 | 9.4% | 25.0% | 37.5% | 15.9% |
| × | 丸山元気 | 9 | 0.0% | 33.3% | 44.4% | 0.0% |
※ 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 1401~1800m
◎ Jockeys: Keita Tosaki (176.8%)
Overall ROI 69.6% / Show rate 35.2%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
🟡 Scenario B【Secondary】 Turf 1801~2200m
◎ Jockeys: Yuji Tannai (120.0%)
Overall ROI 57.4% / Show rate 27.1%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
⚫ Conditions to Avoid
- Turf ~1400m (overall ROI 52.0%): No ◎/○ jockeys. Place/Wide only.
- Dirt ~1400m (overall ROI 59.7%): No ◎/○ jockeys. Place/Wide only.
- Dirt 1401~1800m (overall ROI 41.9%): No ◎/○ jockeys. Place/Wide only.
📋 Jockey Substitution Checklist
| Jockey | Best Condition | Best ROI | Overall ROI | Recommended Bet |
|---|---|---|---|---|
| Christophe Lemaire | Turf 2201m+ | 296.7% | 82.3% | Win+Place |
| Yuji Tannai | Turf 2201m+ | 265.0% | 70.0% | Place |
| Keita Tosaki | Turf 1401~1800m | 176.8% | 91.7% | Win+Place |
| Dai Sasaki | Turf 1801~2200m | 120.0% | 40.0% | Place only |
| Akihide Tsumura | Turf 1401~1800m | 76.1% | 45.3% | Place only |
| 丸山元気 | 0% | 0.0% | Place only | |
| Ryusen Funayama | 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 | 211 | 14.2% | 21.8% | 30.3% | 83.6% |
| 2024 | 230 | 6.1% | 17.0% | 23.0% | 17.6% |
| 2025 | 215 | 12.1% | 19.1% | 27.9% | 74.2% |
| Total | 656 | 10.7% | 19.2% | 27.0% | 57.4% |
Turf Performance by Year × Distance
Turf Sprint (~1400m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 18 | 11.1% | 11.1% | 11.1% | 51.7% |
| 2024 | 23 | 4.3% | 13.0% | 17.4% | 17.0% |
| 2025 | 18 | 16.7% | 22.2% | 27.8% | 97.2% |
Turf Mile (1401~1800m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 54 | 24.1% | 31.5% | 40.7% | 119.1% |
| 2024 | 42 | 9.5% | 28.6% | 33.3% | 24.0% |
| 2025 | 46 | 13.0% | 26.1% | 30.4% | 53.3% |
Turf Middle (1801~2200m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 30 | 3.3% | 6.7% | 16.7% | 23.0% |
| 2024 | 37 | 8.1% | 18.9% | 24.3% | 26.5% |
| 2025 | 40 | 12.5% | 20.0% | 37.5% | 111.8% |
Turf Long (2201m+)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 6 | 16.7% | 16.7% | 16.7% | 70.0% |
| 2024 | 10 | 20.0% | 20.0% | 20.0% | 39.0% |
| 2025 | 16 | 31.2% | 43.8% | 50.0% | 78.1% |
Dirt Performance by Year × Distance
Dirt Sprint (~1400m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 40 | 12.5% | 17.5% | 20.0% | 129.8% |
| 2024 | 44 | 2.3% | 9.1% | 9.1% | 8.2% |
| 2025 | 23 | 8.7% | 8.7% | 17.4% | 36.5% |
Dirt Middle (1401~1800m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 55 | 12.7% | 27.3% | 40.0% | 32.2% |
| 2024 | 63 | 4.8% | 12.7% | 27.0% | 14.4% |
| 2025 | 70 | 7.1% | 11.4% | 20.0% | 74.3% |
Dirt Long (1801~2200m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 4 | 0.0% | 0.0% | 50.0% | 0.0% |
| 2024 | 11 | 0.0% | 27.3% | 27.3% | 0.0% |
| 2025 | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
Jockey Stats (3-Year Combined / 2026 Active Only)
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Akihide Tsumura | 139 | 11.5% | 23.0% | 30.2% | 45.3% |
| Keita Tosaki | 58 | 22.4% | 37.9% | 46.6% | 91.7% |
| Yuji Tannai | 33 | 21.2% | 33.3% | 39.4% | 70.0% |
| Christophe Lemaire | 26 | 38.5% | 50.0% | 53.8% | 82.3% |
| 丸山元気 | 21 | 0.0% | 19.0% | 23.8% | 0.0% |
| Dai Sasaki | 9 | 11.1% | 11.1% | 22.2% | 40.0% |
| Ryusen Funayama | 6 | 0.0% | 0.0% | 16.7% | 0.0% |
Key Jockey Breakdown: Turf × Dirt × Year
▶ Akihide Tsumura
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 37 | 16.2% | 18.9% | 24.3% | 102.2% | 20 | 15.0% | 25.0% | 35.0% | 26.0% |
| 2024 | 28 | 7.1% | 21.4% | 28.6% | 21.8% | 21 | 4.8% | 23.8% | 33.3% | 8.6% |
| 2025 | 22 | 13.6% | 27.3% | 36.4% | 40.5% | 11 | 9.1% | 27.3% | 27.3% | 29.1% |
| Total | 87 | 12.6% | 21.8% | 28.7% | 60.7% | 52 | 9.6% | 25.0% | 32.7% | 19.6% |
▶ Keita Tosaki
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 12 | 33.3% | 50.0% | 58.3% | 166.7% | 7 | 14.3% | 14.3% | 14.3% | 58.6% |
| 2024 | 8 | 37.5% | 62.5% | 62.5% | 112.5% | 13 | 7.7% | 23.1% | 46.2% | 36.2% |
| 2025 | 12 | 25.0% | 50.0% | 58.3% | 102.5% | 6 | 16.7% | 16.7% | 16.7% | 51.7% |
| Total | 32 | 31.2% | 53.1% | 59.4% | 129.1% | 26 | 11.5% | 19.2% | 30.8% | 45.8% |
▶ Yuji Tannai
| 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% | 155.0% | 3 | 0.0% | 66.7% | 66.7% | 0.0% |
| 2024 | 8 | 0.0% | 25.0% | 25.0% | 0.0% | 3 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | 11 | 45.5% | 45.5% | 54.5% | 124.5% | 6 | 16.7% | 16.7% | 33.3% | 105.0% |
| Total | 21 | 28.6% | 38.1% | 42.9% | 80.0% | 12 | 8.3% | 25.0% | 33.3% | 52.5% |
▶ Christophe Lemaire
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 5 | 60.0% | 60.0% | 60.0% | 154.0% | 3 | 100.0% | 100.0% | 100.0% | 173.3% |
| 2024 | 6 | 33.3% | 50.0% | 50.0% | 78.3% | 3 | 0.0% | 33.3% | 33.3% | 0.0% |
| 2025 | 7 | 28.6% | 42.9% | 42.9% | 54.3% | 2 | 0.0% | 0.0% | 50.0% | 0.0% |
| Total | 18 | 38.9% | 50.0% | 50.0% | 90.0% | 8 | 37.5% | 50.0% | 62.5% | 65.0% |
▶ 丸山元気
| 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% | 11 | 0.0% | 27.3% | 36.4% | 0.0% |
| 2024 | 5 | 0.0% | 20.0% | 20.0% | 0.0% | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | — | 2 | 0.0% | 0.0% | 0.0% | 0.0% | ||||
| Total | 6 | 0.0% | 16.7% | 16.7% | 0.0% | 15 | 0.0% | 20.0% | 26.7% | 0.0% |
▶ Dai Sasaki
| 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 | 2 | 50.0% | 50.0% | 50.0% | 180.0% | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| 2025 | 4 | 0.0% | 0.0% | 0.0% | 0.0% | — | ||||
| Total | 6 | 16.7% | 16.7% | 16.7% | 60.0% | 3 | 0.0% | 0.0% | 33.3% | 0.0% |
▶ Ryusen Funayama
| 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% | 5 | 0.0% | 0.0% | 20.0% | 0.0% |
| Total | 1 | 0.0% | 0.0% | 0.0% | 0.0% | 5 | 0.0% | 0.0% | 20.0% | 0.0% |
Grade Race Performance (G1 / G2 / G3)
G1
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 2 | 100.0% | 100.0% | 100.0% | 750.0% |
| 2024 | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 5 | 40.0% | 40.0% | 40.0% | 300.0% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Akihide Tsumura | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| Keita Tosaki | 2 | 100.0% | 100.0% | 100.0% | 750.0% |
G2
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 3 | 0.0% | 33.3% | 33.3% | 0.0% |
| 2024 | 5 | 0.0% | 20.0% | 20.0% | 0.0% |
| 2025 | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 10 | 0.0% | 20.0% | 20.0% | 0.0% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Akihide Tsumura | 4 | 0.0% | 25.0% | 25.0% | 0.0% |
| Keita Tosaki | 2 | 0.0% | 50.0% | 50.0% | 0.0% |
G3
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 5 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | 3 | 33.3% | 33.3% | 33.3% | 123.3% |
| 2025 | 8 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 16 | 6.2% | 6.2% | 6.2% | 23.1% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Akihide Tsumura | 8 | 12.5% | 12.5% | 12.5% | 46.2% |
| Keita Tosaki | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| Christophe Lemaire | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| 丸山元気 | 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.