Data period: 2023–2025 (JRA) / Target jockeys: 2026 active riders only / Win ROI = theoretical return per ¥100 bet on all starters
Trainer Tanaka Hiroyasu Complete Betting Guide【2023–2025 JRA Data Analysis】
3-year combined win ROI: 58.2%. Turf 53% / Dirt 47% split. 2026 active jockeys: Kosei Miura Dai Sasaki Keita Tosaki 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~1400m51 starts / ◎0 ○0
Win%: 9.8%Place%: 27.5%Show%: 39.2%ROI: 48.4%
💡 Overall ROI 48.4%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| × | Ryusen Funayama | 5 | 20.0% | 20.0% | 40.0% | 56.0% |
| × | Keita Tosaki | 7 | 0.0% | 14.3% | 14.3% | 0.0% |
Turf1401~1800m161 starts / ◎0 ○0
Win%: 13.7%Place%: 28.0%Show%: 34.8%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 |
|---|---|---|---|---|---|---|
| × | Keita Tosaki | 27 | 18.5% | 29.6% | 40.7% | 34.1% |
| × | Ryusen Funayama | 7 | 14.3% | 14.3% | 28.6% | 32.9% |
Turf1801~2200m103 starts / ◎0 ○0
Win%: 15.5%Place%: 27.2%Show%: 35.0%ROI: 58.4%
💡 Overall ROI 58.4%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| × | Keita Tosaki | 16 | 12.5% | 31.2% | 43.8% | 19.4% |
Turf2201m+31 starts / ◎0 ○0
Win%: 9.7%Place%: 22.6%Show%: 29.0%ROI: 44.8%
💡 Overall ROI 44.8%. 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~1400m65 starts / ◎2 ○0
Win%: 18.5%Place%: 26.2%Show%: 35.4%ROI: 59.7%
💡 Ryusen Funayama・Keita Tosaki stand out with ROI of 116.0%・102.7%. Primary win bet candidates.ROI is on an upward trend. Overall show rate 35.4% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Ryusen Funayama | 5 | 40.0% | 60.0% | 80.0% | 116.0% |
| ◎ | Keita Tosaki | 15 | 33.3% | 46.7% | 60.0% | 102.7% |
Dirt1401~1800m214 starts / ◎2 ○0
Win%: 23.4%Place%: 38.8%Show%: 48.1%ROI: 80.7%
💡 Kosei Miura・Dai Sasaki stand out with ROI of 197.1%・181.7%. Primary win bet candidates.ROI is on a slight downward trend. Overall show rate 48.1% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Kosei Miura | 7 | 42.9% | 57.1% | 57.1% | 197.1% |
| ◎ | Dai Sasaki | 6 | 16.7% | 16.7% | 16.7% | 181.7% |
| ▲ | Keita Tosaki | 48 | 33.3% | 45.8% | 54.2% | 79.4% |
| × | Ryusen Funayama | 11 | 0.0% | 18.2% | 27.3% | 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】 Dirt 1401~1800m
◎ Jockeys: Kosei Miura (197.1%)・Dai Sasaki (181.7%)
Overall ROI 80.7% / Show rate 48.1%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
🟡 Scenario B【Secondary】 Dirt ~1400m
◎ Jockeys: Ryusen Funayama (116.0%)・Keita Tosaki (102.7%)
Overall ROI 59.7% / Show rate 35.4%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
⚫ Conditions to Avoid
- Turf ~1400m (overall ROI 48.4%): No ◎/○ jockeys. Place/Wide only.
- Turf 1401~1800m (overall ROI 36.6%): No ◎/○ jockeys. Place/Wide only.
- Turf 1801~2200m (overall ROI 58.4%): No ◎/○ jockeys. Place/Wide only.
- Turf 2201m+ (overall ROI 44.8%): No ◎/○ jockeys. Place/Wide only.
📋 Jockey Substitution Checklist
| Jockey | Best Condition | Best ROI | Overall ROI | Recommended Bet |
|---|---|---|---|---|
| Kosei Miura | Dirt 1401~1800m | 197.1% | 88.5% | Win+Place |
| Dai Sasaki | Dirt 1401~1800m | 181.7% | 77.9% | Place |
| Ryusen Funayama | Turf 1801~2200m | 167.5% | 51.8% | Place only |
| Keita Tosaki | Dirt ~1400m | 102.7% | 55.5% | 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 | 239 | 13.0% | 22.2% | 32.6% | 53.4% |
| 2024 | 201 | 22.9% | 36.8% | 43.8% | 68.1% |
| 2025 | 215 | 16.3% | 34.0% | 42.3% | 54.3% |
| Total | 655 | 17.1% | 30.5% | 39.2% | 58.2% |
Turf Performance by Year × Distance
Turf Sprint (~1400m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 9 | 0.0% | 11.1% | 33.3% | 0.0% |
| 2024 | 20 | 20.0% | 45.0% | 50.0% | 109.5% |
| 2025 | 22 | 4.5% | 18.2% | 31.8% | 12.7% |
Turf Mile (1401~1800m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 52 | 5.8% | 19.2% | 30.8% | 12.7% |
| 2024 | 42 | 19.0% | 31.0% | 33.3% | 39.0% |
| 2025 | 67 | 16.4% | 32.8% | 38.8% | 53.7% |
Turf Middle (1801~2200m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 44 | 18.2% | 25.0% | 31.8% | 66.1% |
| 2024 | 30 | 16.7% | 33.3% | 40.0% | 36.0% |
| 2025 | 29 | 10.3% | 24.1% | 34.5% | 70.0% |
Turf Long (2201m+)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 13 | 7.7% | 15.4% | 30.8% | 12.3% |
| 2024 | 6 | 16.7% | 16.7% | 16.7% | 175.0% |
| 2025 | 12 | 8.3% | 33.3% | 33.3% | 15.0% |
Dirt Performance by Year × Distance
Dirt Sprint (~1400m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 25 | 4.0% | 8.0% | 24.0% | 6.4% |
| 2024 | 21 | 19.0% | 23.8% | 28.6% | 67.6% |
| 2025 | 19 | 36.8% | 52.6% | 57.9% | 121.1% |
Dirt Middle (1401~1800m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 81 | 21.0% | 30.9% | 39.5% | 104.8% |
| 2024 | 71 | 31.0% | 46.5% | 54.9% | 82.5% |
| 2025 | 62 | 17.7% | 40.3% | 51.6% | 46.9% |
Dirt Long (1801~2200m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 10 | 0.0% | 10.0% | 10.0% | 0.0% |
| 2024 | 7 | 14.3% | 14.3% | 57.1% | 25.7% |
| 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 |
|---|---|---|---|---|---|
| Keita Tosaki | 125 | 24.0% | 36.0% | 46.4% | 55.5% |
| Ryusen Funayama | 34 | 14.7% | 26.5% | 38.2% | 51.8% |
| Kosei Miura | 20 | 20.0% | 40.0% | 50.0% | 88.5% |
| Dai Sasaki | 14 | 7.1% | 7.1% | 7.1% | 77.9% |
Key Jockey Breakdown: Turf × Dirt × Year
▶ Keita Tosaki
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 18 | 5.6% | 11.1% | 27.8% | 7.8% | 19 | 15.8% | 15.8% | 31.6% | 34.2% |
| 2024 | 17 | 23.5% | 41.2% | 41.2% | 43.5% | 36 | 36.1% | 47.2% | 55.6% | 102.2% |
| 2025 | 19 | 15.8% | 31.6% | 42.1% | 27.9% | 16 | 37.5% | 62.5% | 75.0% | 75.0% |
| Total | 54 | 14.8% | 27.8% | 37.0% | 26.1% | 71 | 31.0% | 42.3% | 53.5% | 77.9% |
▶ 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 | 18 | 16.7% | 22.2% | 33.3% | 65.6% | 16 | 12.5% | 31.2% | 43.8% | 36.2% |
| Total | 18 | 16.7% | 22.2% | 33.3% | 65.6% | 16 | 12.5% | 31.2% | 43.8% | 36.2% |
▶ Kosei Miura
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 3 | 0.0% | 0.0% | 33.3% | 0.0% | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | 4 | 0.0% | 25.0% | 25.0% | 0.0% | 2 | 50.0% | 100.0% | 100.0% | 295.0% |
| 2025 | 4 | 0.0% | 50.0% | 75.0% | 0.0% | 5 | 60.0% | 60.0% | 60.0% | 236.0% |
| Total | 11 | 0.0% | 27.3% | 45.5% | 0.0% | 9 | 44.4% | 55.6% | 55.6% | 196.7% |
▶ Dai Sasaki
| 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% | 8 | 12.5% | 12.5% | 12.5% | 136.2% |
| 2024 | 2 | 0.0% | 0.0% | 0.0% | 0.0% | — | ||||
| 2025 | 3 | 0.0% | 0.0% | 0.0% | 0.0% | — | ||||
| Total | 6 | 0.0% | 0.0% | 0.0% | 0.0% | 8 | 12.5% | 12.5% | 12.5% | 136.2% |
Grade Race Performance (G1 / G2 / G3)
G1
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 2 | 100.0% | 100.0% | 100.0% | 300.0% |
| 2024 | 5 | 20.0% | 40.0% | 40.0% | 44.0% |
| 2025 | 6 | 0.0% | 0.0% | 16.7% | 0.0% |
| Total | 13 | 23.1% | 30.8% | 38.5% | 63.1% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Keita Tosaki | 4 | 0.0% | 25.0% | 50.0% | 0.0% |
G2
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 3 | 66.7% | 66.7% | 66.7% | 313.3% |
| 2024 | 3 | 33.3% | 33.3% | 33.3% | 50.0% |
| 2025 | 9 | 11.1% | 22.2% | 33.3% | 85.6% |
| Total | 15 | 26.7% | 33.3% | 40.0% | 124.0% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Keita Tosaki | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
G3
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 8 | 25.0% | 25.0% | 50.0% | 71.2% |
| 2024 | 5 | 40.0% | 40.0% | 60.0% | 116.0% |
| 2025 | 7 | 14.3% | 14.3% | 14.3% | 25.7% |
| Total | 20 | 25.0% | 25.0% | 40.0% | 66.5% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Keita Tosaki | 4 | 50.0% | 50.0% | 100.0% | 95.0% |
| Ryusen Funayama | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| Kosei Miura | 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.