Data period: 2023–2025 (JRA) / Target jockeys: 2026 active riders only / Win ROI = theoretical return per ¥100 bet on all starters
Trainer Tomodo Yasuo Complete Betting Guide【2023–2025 JRA Data Analysis】
3-year combined win ROI: 67.7%. Turf 87% / Dirt 13% split. 2026 active jockeys: ハマーハ Kosei Miura Taisei Danno Ryusei Sakai Nozomi Iwata Keita Tosaki Yutaka Take.
※ 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~1400m99 starts / ◎1 ○1
Win%: 17.2%Place%: 37.4%Show%: 47.5%ROI: 88.5%
💡 Keita Tosaki stand out with ROI of 131.1%. Primary win bet candidates.Nozomi Iwata also show solid stats for win or place bets.ROI is on a slight downward trend. Overall show rate 47.5% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Keita Tosaki | 9 | 11.1% | 33.3% | 44.4% | 131.1% |
| ○ | Nozomi Iwata | 7 | 42.9% | 42.9% | 42.9% | 98.6% |
| ▲ | Ryusei Sakai | 13 | 15.4% | 46.2% | 46.2% | 61.5% |
| × | Yutaka Take | 6 | 0.0% | 0.0% | 0.0% | 0.0% |
Turf1401~1800m303 starts / ◎2 ○0
Win%: 15.8%Place%: 28.7%Show%: 38.0%ROI: 78.9%
💡 Ryusei Sakai・Keita Tosaki stand out with ROI of 120.0%・108.7%. Primary win bet candidates.ROI is on a slight downward trend. Overall show rate 38.0% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Ryusei Sakai | 36 | 19.4% | 44.4% | 61.1% | 120.0% |
| ◎ | Keita Tosaki | 15 | 20.0% | 20.0% | 26.7% | 108.7% |
| ▲ | Yutaka Take | 20 | 10.0% | 25.0% | 30.0% | 70.5% |
| × | Nozomi Iwata | 36 | 11.1% | 19.4% | 30.6% | 45.0% |
Turf1801~2200m278 starts / ◎0 ○1
Win%: 15.8%Place%: 26.6%Show%: 39.2%ROI: 60.2%
💡 Ryusei Sakai also show solid stats for win or place bets.ROI is on an upward trend. Overall show rate 39.2% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ○ | Ryusei Sakai | 23 | 21.7% | 21.7% | 26.1% | 86.1% |
| ▲ | Keita Tosaki | 15 | 20.0% | 40.0% | 46.7% | 78.0% |
| ▲ | Nozomi Iwata | 34 | 17.6% | 23.5% | 38.2% | 69.1% |
| × | Yutaka Take | 13 | 15.4% | 23.1% | 38.5% | 48.5% |
Turf2201m+105 starts / ◎1 ○0
Win%: 13.3%Place%: 28.6%Show%: 37.1%ROI: 57.5%
💡 Yutaka Take stand out with ROI of 188.6%. Primary win bet candidates.ROI is on an upward trend. Overall show rate 37.1% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Yutaka Take | 7 | 57.1% | 57.1% | 71.4% | 188.6% |
| × | Nozomi Iwata | 12 | 16.7% | 33.3% | 41.7% | 56.7% |
| × | Ryusei Sakai | 10 | 10.0% | 40.0% | 50.0% | 36.0% |
| × | Keita Tosaki | 6 | 0.0% | 66.7% | 66.7% | 0.0% |
Dirt~1400m43 starts / ◎0 ○0
Win%: 20.9%Place%: 37.2%Show%: 41.9%ROI: 67.4%
💡 Overall ROI 67.4%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| × | Yutaka Take | 7 | 14.3% | 28.6% | 28.6% | 30.0% |
| × | Nozomi Iwata | 6 | 0.0% | 16.7% | 16.7% | 0.0% |
Dirt1401~1800m56 starts / ◎0 ○0
Win%: 8.9%Place%: 19.6%Show%: 28.6%ROI: 31.6%
💡 Overall ROI 31.6%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| × | Nozomi Iwata | 15 | 0.0% | 0.0% | 6.7% | 0.0% |
| × | Ryusei Sakai | 6 | 0.0% | 16.7% | 50.0% | 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 2201m+
◎ Jockeys: Yutaka Take (188.6%)
Overall ROI 57.5% / Show rate 37.1%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
🟡 Scenario B【Secondary】 Turf ~1400m
◎ Jockeys: Keita Tosaki (131.1%)
Overall ROI 88.5% / Show rate 47.5%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
🟡 Scenario C【Secondary】 Turf 1401~1800m
◎ Jockeys: Ryusei Sakai (120.0%)・Keita Tosaki (108.7%)
Overall ROI 78.9% / Show rate 38.0%. 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 31.6%): No ◎/○ jockeys. Place/Wide only.
📋 Jockey Substitution Checklist
| Jockey | Best Condition | Best ROI | Overall ROI | Recommended Bet |
|---|---|---|---|---|
| Keita Tosaki | Dirt 1401~1800m | 320.0% | 87.8% | Win+Place |
| Yutaka Take | Turf 2201m+ | 188.6% | 63.7% | Place |
| Ryusei Sakai | Dirt ~1400m | 170.0% | 85.7% | Win+Place |
| Nozomi Iwata | Turf ~1400m | 98.6% | 47.8% | Place only |
| Taisei Danno | 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 | 288 | 14.2% | 27.8% | 39.9% | 62.5% |
| 2024 | 302 | 17.5% | 31.1% | 39.1% | 77.5% |
| 2025 | 312 | 14.4% | 26.9% | 37.5% | 63.2% |
| Total | 902 | 15.4% | 28.6% | 38.8% | 67.7% |
Turf Performance by Year × Distance
Turf Sprint (~1400m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 14 | 21.4% | 35.7% | 64.3% | 102.1% |
| 2024 | 41 | 19.5% | 41.5% | 43.9% | 111.2% |
| 2025 | 44 | 13.6% | 34.1% | 45.5% | 63.0% |
Turf Mile (1401~1800m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 104 | 14.4% | 28.8% | 39.4% | 91.2% |
| 2024 | 103 | 15.5% | 28.2% | 35.0% | 83.3% |
| 2025 | 96 | 17.7% | 29.2% | 39.6% | 60.8% |
Turf Middle (1801~2200m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 91 | 17.6% | 30.8% | 45.1% | 44.7% |
| 2024 | 90 | 21.1% | 31.1% | 42.2% | 70.6% |
| 2025 | 97 | 9.3% | 18.6% | 30.9% | 65.2% |
Turf Long (2201m+)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 40 | 12.5% | 27.5% | 32.5% | 67.0% |
| 2024 | 36 | 11.1% | 27.8% | 38.9% | 28.1% |
| 2025 | 29 | 17.2% | 31.0% | 41.4% | 81.0% |
Dirt Performance by Year × Distance
Dirt Sprint (~1400m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 14 | 7.1% | 21.4% | 28.6% | 14.3% |
| 2024 | 7 | 28.6% | 57.1% | 57.1% | 88.6% |
| 2025 | 22 | 27.3% | 40.9% | 45.5% | 94.5% |
Dirt Middle (1401~1800m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 19 | 5.3% | 15.8% | 26.3% | 7.4% |
| 2024 | 21 | 14.3% | 23.8% | 33.3% | 68.1% |
| 2025 | 16 | 6.2% | 18.8% | 25.0% | 12.5% |
Dirt Long (1801~2200m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 4 | 0.0% | 0.0% | 50.0% | 0.0% |
| 2024 | 3 | 33.3% | 33.3% | 33.3% | 280.0% |
| 2025 | 8 | 12.5% | 25.0% | 37.5% | 20.0% |
Jockey Stats (3-Year Combined / 2026 Active Only)
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Nozomi Iwata | 115 | 13.9% | 20.9% | 31.3% | 47.8% |
| Ryusei Sakai | 93 | 17.2% | 36.6% | 49.5% | 85.7% |
| Yutaka Take | 56 | 16.1% | 26.8% | 35.7% | 63.7% |
| Keita Tosaki | 49 | 16.3% | 36.7% | 42.9% | 87.8% |
| Taisei Danno | 4 | 0.0% | 25.0% | 25.0% | 0.0% |
Key Jockey Breakdown: Turf × Dirt × Year
▶ Nozomi Iwata
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 24 | 12.5% | 16.7% | 29.2% | 47.5% | 12 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | 32 | 21.9% | 28.1% | 34.4% | 77.2% | 2 | 0.0% | 50.0% | 50.0% | 0.0% |
| 2025 | 33 | 15.2% | 27.3% | 42.4% | 52.4% | 12 | 8.3% | 8.3% | 25.0% | 13.3% |
| Total | 89 | 16.9% | 24.7% | 36.0% | 60.0% | 26 | 3.8% | 7.7% | 15.4% | 6.2% |
▶ Ryusei Sakai
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 32 | 25.0% | 43.8% | 56.2% | 149.4% | 6 | 0.0% | 16.7% | 66.7% | 0.0% |
| 2024 | 29 | 10.3% | 34.5% | 41.4% | 39.3% | 3 | 33.3% | 33.3% | 66.7% | 170.0% |
| 2025 | 21 | 19.0% | 33.3% | 42.9% | 73.3% | 2 | 0.0% | 50.0% | 50.0% | 0.0% |
| Total | 82 | 18.3% | 37.8% | 47.6% | 91.0% | 11 | 9.1% | 27.3% | 63.6% | 46.4% |
▶ Yutaka Take
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 11 | 18.2% | 18.2% | 45.5% | 70.0% | — | ||||
| 2024 | 16 | 25.0% | 31.2% | 37.5% | 126.2% | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| 2025 | 19 | 10.5% | 26.3% | 26.3% | 30.0% | 9 | 11.1% | 33.3% | 33.3% | 23.3% |
| Total | 46 | 17.4% | 26.1% | 34.8% | 73.0% | 10 | 10.0% | 30.0% | 40.0% | 21.0% |
▶ Keita Tosaki
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 10 | 0.0% | 20.0% | 30.0% | 0.0% | — | ||||
| 2024 | 23 | 26.1% | 47.8% | 56.5% | 162.2% | 2 | 50.0% | 100.0% | 100.0% | 160.0% |
| 2025 | 12 | 8.3% | 25.0% | 25.0% | 20.8% | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 45 | 15.6% | 35.6% | 42.2% | 88.4% | 4 | 25.0% | 50.0% | 50.0% | 80.0% |
▶ Taisei Danno
| 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 | — | — | ||||||||
| 2025 | 3 | 0.0% | 33.3% | 33.3% | 0.0% | — | ||||
| Total | 4 | 0.0% | 25.0% | 25.0% | 0.0% | — | ||||
Grade Race Performance (G1 / G2 / G3)
G1
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 16 | 6.2% | 12.5% | 25.0% | 32.5% |
| 2024 | 15 | 26.7% | 33.3% | 40.0% | 133.3% |
| 2025 | 13 | 7.7% | 7.7% | 30.8% | 110.0% |
| Total | 44 | 13.6% | 18.2% | 31.8% | 89.8% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Nozomi Iwata | 8 | 0.0% | 0.0% | 12.5% | 0.0% |
| Yutaka Take | 8 | 37.5% | 37.5% | 50.0% | 141.2% |
| Keita Tosaki | 5 | 20.0% | 40.0% | 40.0% | 96.0% |
| Ryusei Sakai | 4 | 0.0% | 0.0% | 25.0% | 0.0% |
G2
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 20 | 25.0% | 25.0% | 30.0% | 114.0% |
| 2024 | 19 | 5.3% | 5.3% | 15.8% | 37.9% |
| 2025 | 18 | 33.3% | 50.0% | 55.6% | 242.8% |
| Total | 57 | 21.1% | 26.3% | 33.3% | 129.3% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Nozomi Iwata | 7 | 14.3% | 14.3% | 42.9% | 135.7% |
| Ryusei Sakai | 6 | 16.7% | 33.3% | 33.3% | 43.3% |
| Yutaka Take | 4 | 50.0% | 75.0% | 75.0% | 145.0% |
| Keita Tosaki | 2 | 50.0% | 50.0% | 50.0% | 360.0% |
G3
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 16 | 6.2% | 25.0% | 37.5% | 78.8% |
| 2024 | 24 | 12.5% | 16.7% | 29.2% | 55.8% |
| 2025 | 17 | 0.0% | 5.9% | 5.9% | 0.0% |
| Total | 57 | 7.0% | 15.8% | 24.6% | 45.6% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Keita Tosaki | 7 | 28.6% | 28.6% | 42.9% | 155.7% |
| Nozomi Iwata | 4 | 25.0% | 25.0% | 25.0% | 62.5% |
| Ryusei Sakai | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| Yutaka Take | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| Taisei Danno | 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.