Data period: 2023–2025 (JRA) / Target jockeys: 2026 active riders only / Win ROI = theoretical return per ¥100 bet on all starters
Trainer Yoshioka Tatsuya Complete Betting Guide【2023–2025 JRA Data Analysis】
3-year combined win ROI: 95.5%. Turf 57% / Dirt 43% split. 2026 active jockeys: Christophe Lemaire Yuichi Kitamura Ryusei Sakai Nozomi Iwata Yutaka Take 田山旺佑 高杉吏麒.
※ 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~1400m101 starts / ◎0 ○0
Win%: 10.9%Place%: 20.8%Show%: 30.7%ROI: 47.8%
💡 Overall ROI 47.8%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| × | Yuichi Kitamura | 8 | 12.5% | 25.0% | 50.0% | 45.0% |
Turf1401~1800m167 starts / ◎2 ○0
Win%: 16.8%Place%: 28.7%Show%: 35.9%ROI: 133.1%
💡 Nozomi Iwata・Yuichi Kitamura stand out with ROI of 135.0%・123.6%. Primary win bet candidates.ROI is on a slight downward trend. Overall show rate 35.9% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Nozomi Iwata | 6 | 33.3% | 50.0% | 50.0% | 135.0% |
| ◎ | Yuichi Kitamura | 11 | 36.4% | 54.5% | 54.5% | 123.6% |
| ▲ | Ryusei Sakai | 8 | 25.0% | 25.0% | 25.0% | 68.8% |
Turf1801~2200m117 starts / ◎1 ○0
Win%: 12.8%Place%: 25.6%Show%: 32.5%ROI: 125.3%
💡 Yuichi Kitamura stand out with ROI of 330.0%. Primary win bet candidates.ROI is on a slight downward trend. Overall show rate 32.5% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Yuichi Kitamura | 8 | 25.0% | 25.0% | 25.0% | 330.0% |
| × | Nozomi Iwata | 5 | 0.0% | 20.0% | 20.0% | 0.0% |
Turf2201m+39 starts / ◎0 ○0
Win%: 5.1%Place%: 7.7%Show%: 30.8%ROI: 12.8%
💡 Overall ROI 12.8%. 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~1400m131 starts / ◎2 ○0
Win%: 16.0%Place%: 24.4%Show%: 36.6%ROI: 113.9%
💡 Yuichi Kitamura・Ryusei Sakai stand out with ROI of 874.0%・124.5%. Primary win bet candidates.ROI is on a slight downward trend. Overall show rate 36.6% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Yuichi Kitamura | 5 | 20.0% | 40.0% | 60.0% | 874.0% |
| ◎ | Ryusei Sakai | 11 | 36.4% | 45.5% | 54.5% | 124.5% |
| ▲ | Nozomi Iwata | 7 | 14.3% | 28.6% | 28.6% | 77.1% |
Dirt1401~1800m157 starts / ◎2 ○1
Win%: 9.6%Place%: 15.9%Show%: 26.1%ROI: 59.4%
💡 高杉吏麒・Ryusei Sakai stand out with ROI of 401.4%・244.0%. Primary win bet candidates.Yuichi Kitamura also show solid stats for win or place bets.ROI is on an upward trend. Overall show rate 26.1% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | 高杉吏麒 | 7 | 14.3% | 14.3% | 28.6% | 401.4% |
| ◎ | Ryusei Sakai | 5 | 20.0% | 20.0% | 40.0% | 244.0% |
| ○ | Yuichi Kitamura | 11 | 27.3% | 27.3% | 27.3% | 97.3% |
| × | Nozomi Iwata | 5 | 0.0% | 0.0% | 60.0% | 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】 Dirt ~1400m
◎ Jockeys: Yuichi Kitamura (874.0%)・Ryusei Sakai (124.5%)
Overall ROI 113.9% / Show rate 36.6%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
🟡 Scenario B【Secondary】 Dirt 1401~1800m
◎ Jockeys: 高杉吏麒 (401.4%)・Ryusei Sakai (244.0%)
Overall ROI 59.4% / Show rate 26.1%. 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 (330.0%)
Overall ROI 125.3% / Show rate 32.5%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
⚫ Conditions to Avoid
- Turf ~1400m (overall ROI 47.8%): No ◎/○ jockeys. Place/Wide only.
- Turf 2201m+ (overall ROI 12.8%): No ◎/○ jockeys. Place/Wide only.
📋 Jockey Substitution Checklist
| Jockey | Best Condition | Best ROI | Overall ROI | Recommended Bet |
|---|---|---|---|---|
| Yuichi Kitamura | Dirt ~1400m | 874.0% | 225.6% | Win◎ |
| 高杉吏麒 | Dirt ~1400m | 835.0% | 350.0% | Win◎ |
| Nozomi Iwata | Turf ~1400m | 307.5% | 136.9% | Win◎ |
| Ryusei Sakai | Dirt 1401~1800m | 244.0% | 104.7% | Win◎ |
| 田山旺佑 | Dirt 1401~1800m | 206.7% | 103.3% | Win◎ |
| Christophe Lemaire | Dirt 1401~1800m | 105.0% | 47.0% | Place only |
| Yutaka Take | 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 | 248 | 15.3% | 23.4% | 32.7% | 162.3% |
| 2024 | 247 | 13.0% | 24.3% | 33.2% | 54.8% |
| 2025 | 249 | 11.6% | 21.3% | 32.5% | 69.4% |
| Total | 744 | 13.3% | 23.0% | 32.8% | 95.5% |
Turf Performance by Year × Distance
Turf Sprint (~1400m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 29 | 6.9% | 13.8% | 20.7% | 30.7% |
| 2024 | 46 | 10.9% | 17.4% | 28.3% | 60.2% |
| 2025 | 26 | 15.4% | 34.6% | 46.2% | 45.0% |
Turf Mile (1401~1800m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 59 | 16.9% | 28.8% | 39.0% | 256.6% |
| 2024 | 57 | 19.3% | 35.1% | 35.1% | 77.2% |
| 2025 | 51 | 13.7% | 21.6% | 33.3% | 52.7% |
Turf Middle (1801~2200m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 44 | 15.9% | 22.7% | 34.1% | 211.6% |
| 2024 | 39 | 10.3% | 28.2% | 33.3% | 53.8% |
| 2025 | 34 | 11.8% | 26.5% | 29.4% | 95.6% |
Turf Long (2201m+)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 9 | 11.1% | 11.1% | 22.2% | 16.7% |
| 2024 | 25 | 4.0% | 8.0% | 36.0% | 14.0% |
| 2025 | 5 | 0.0% | 0.0% | 20.0% | 0.0% |
Dirt Performance by Year × Distance
Dirt Sprint (~1400m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 44 | 25.0% | 34.1% | 36.4% | 213.6% |
| 2024 | 33 | 12.1% | 21.2% | 36.4% | 44.8% |
| 2025 | 54 | 11.1% | 18.5% | 37.0% | 74.8% |
Dirt Middle (1401~1800m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 54 | 7.4% | 14.8% | 25.9% | 56.1% |
| 2024 | 35 | 14.3% | 17.1% | 25.7% | 41.4% |
| 2025 | 68 | 8.8% | 16.2% | 26.5% | 71.3% |
Dirt Long (1801~2200m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 6 | 33.3% | 33.3% | 33.3% | 346.7% |
| 2024 | 9 | 22.2% | 44.4% | 44.4% | 110.0% |
| 2025 | 8 | 25.0% | 37.5% | 37.5% | 161.2% |
Jockey Stats (3-Year Combined / 2026 Active Only)
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Yuichi Kitamura | 45 | 26.7% | 35.6% | 44.4% | 225.6% |
| Ryusei Sakai | 30 | 23.3% | 30.0% | 40.0% | 104.7% |
| Nozomi Iwata | 29 | 17.2% | 31.0% | 48.3% | 136.9% |
| 高杉吏麒 | 14 | 21.4% | 21.4% | 28.6% | 350.0% |
| Christophe Lemaire | 10 | 20.0% | 50.0% | 60.0% | 47.0% |
| 田山旺佑 | 6 | 16.7% | 33.3% | 33.3% | 103.3% |
| Yutaka Take | 3 | 0.0% | 0.0% | 33.3% | 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 | 4 | 25.0% | 25.0% | 25.0% | 42.5% | 7 | 14.3% | 14.3% | 14.3% | 624.3% |
| 2024 | 11 | 9.1% | 18.2% | 36.4% | 31.8% | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | 14 | 42.9% | 57.1% | 64.3% | 299.3% | 8 | 37.5% | 50.0% | 62.5% | 133.8% |
| Total | 29 | 27.6% | 37.9% | 48.3% | 162.4% | 16 | 25.0% | 31.2% | 37.5% | 340.0% |
▶ Ryusei Sakai
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 6 | 16.7% | 16.7% | 33.3% | 66.7% | 11 | 45.5% | 54.5% | 63.6% | 235.5% |
| 2024 | 4 | 25.0% | 25.0% | 25.0% | 37.5% | 3 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | 4 | 0.0% | 25.0% | 25.0% | 0.0% | 2 | 0.0% | 0.0% | 50.0% | 0.0% |
| Total | 14 | 14.3% | 21.4% | 28.6% | 39.3% | 16 | 31.2% | 37.5% | 50.0% | 161.9% |
▶ Nozomi Iwata
| 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% | 50.0% | 0.0% | 7 | 14.3% | 14.3% | 28.6% | 198.6% |
| 2024 | 7 | 42.9% | 57.1% | 71.4% | 291.4% | 2 | 0.0% | 50.0% | 100.0% | 0.0% |
| 2025 | 6 | 0.0% | 16.7% | 16.7% | 0.0% | 5 | 20.0% | 40.0% | 60.0% | 108.0% |
| Total | 15 | 20.0% | 33.3% | 46.7% | 136.0% | 14 | 14.3% | 28.6% | 50.0% | 137.9% |
▶ 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 | 2 | 0.0% | 0.0% | 0.0% | 0.0% | — | ||||
| 2025 | 3 | 33.3% | 33.3% | 33.3% | 140.0% | 9 | 22.2% | 22.2% | 33.3% | 497.8% |
| Total | 5 | 20.0% | 20.0% | 20.0% | 84.0% | 9 | 22.2% | 22.2% | 33.3% | 497.8% |
▶ Christophe Lemaire
| 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% | 2 | 50.0% | 100.0% | 100.0% | 105.0% |
| 2024 | 5 | 20.0% | 60.0% | 60.0% | 52.0% | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | — | 1 | 0.0% | 0.0% | 100.0% | 0.0% | ||||
| Total | 6 | 16.7% | 50.0% | 50.0% | 43.3% | 4 | 25.0% | 50.0% | 75.0% | 52.5% |
▶ 田山旺佑
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | — | — | ||||||||
| 2024 | — | — | ||||||||
| 2025 | 2 | 0.0% | 0.0% | 0.0% | 0.0% | 4 | 25.0% | 50.0% | 50.0% | 155.0% |
| Total | 2 | 0.0% | 0.0% | 0.0% | 0.0% | 4 | 25.0% | 50.0% | 50.0% | 155.0% |
▶ Yutaka Take
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | — | 1 | 0.0% | 0.0% | 0.0% | 0.0% | ||||
| 2024 | — | — | ||||||||
| 2025 | — | 2 | 0.0% | 0.0% | 50.0% | 0.0% | ||||
| Total | — | 3 | 0.0% | 0.0% | 33.3% | 0.0% | ||||
Grade Race Performance (G1 / G2 / G3)
G1
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 4 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | 6 | 16.7% | 33.3% | 33.3% | 125.0% |
| 2025 | 3 | 33.3% | 33.3% | 33.3% | 120.0% |
| Total | 13 | 15.4% | 23.1% | 23.1% | 85.4% |
| 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 | 6 | 0.0% | 0.0% | 33.3% | 0.0% |
| 2024 | 5 | 0.0% | 0.0% | 20.0% | 0.0% |
| 2025 | 3 | 0.0% | 33.3% | 100.0% | 0.0% |
| Total | 14 | 0.0% | 7.1% | 42.9% | 0.0% |
G3
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 3 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | 6 | 33.3% | 50.0% | 50.0% | 135.0% |
| 2025 | 7 | 14.3% | 14.3% | 14.3% | 357.1% |
| Total | 16 | 18.8% | 25.0% | 25.0% | 206.9% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Yuichi Kitamura | 1 | 100.0% | 100.0% | 100.0% | 2500.0% |
| Nozomi Iwata | 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.