Data period: 2023–2025 (JRA) / Target jockeys: 2026 active riders only / Win ROI = theoretical return per ¥100 bet on all starters
Trainer Hamada Tami Complete Betting Guide【2023–2025 JRA Data Analysis】
3-year combined win ROI: 82.5%. Turf 28% / Dirt 72% split. 2026 active jockeys: Yoshihiro Furukawa Ryuji Wada Haruki Wada 国分優作 Masahito Ozawa Arata Saito Kohei Matsuyama Kenichi Ikezoe Akihide Tsumura 田口貫太 秋山稔樹 Takashi Fujikake Katsuma Sameshima.
※ 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~1400m67 starts / ◎0 ○0
Win%: 6.0%Place%: 13.4%Show%: 16.4%ROI: 85.8%
💡 Overall ROI 85.8%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| No data for 2026 active jockeys | ||||||
Turf1401~1800m84 starts / ◎1 ○0
Win%: 7.1%Place%: 14.3%Show%: 17.9%ROI: 137.5%
💡 Yoshihiro Furukawa stand out with ROI of 950.0%. Primary win bet candidates.ROI is on a slight downward trend.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Yoshihiro Furukawa | 7 | 28.6% | 28.6% | 28.6% | 950.0% |
Turf1801~2200m66 starts / ◎0 ○0
Win%: 9.1%Place%: 10.6%Show%: 19.7%ROI: 68.2%
💡 Overall ROI 68.2%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| × | Ryuji Wada | 8 | 0.0% | 0.0% | 0.0% | 0.0% |
| × | Yoshihiro Furukawa | 5 | 0.0% | 0.0% | 0.0% | 0.0% |
Turf2201m+9 starts / ◎0 ○0
Win%: 0.0%Place%: 0.0%Show%: 11.1%ROI: 0.0%
💡 Overall ROI 0.0%. 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~1400m338 starts / ◎1 ○0
Win%: 9.2%Place%: 16.9%Show%: 25.7%ROI: 51.4%
💡 Kohei Matsuyama stand out with ROI of 117.8%. Primary win bet candidates.ROI is on a slight downward trend. Overall show rate 25.7% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Kohei Matsuyama | 9 | 11.1% | 22.2% | 44.4% | 117.8% |
| ▲ | Katsuma Sameshima | 22 | 9.1% | 22.7% | 31.8% | 75.5% |
| × | Ryuji Wada | 15 | 6.7% | 20.0% | 20.0% | 55.3% |
| × | Kenichi Ikezoe | 10 | 0.0% | 0.0% | 0.0% | 0.0% |
| × | Yoshihiro Furukawa | 6 | 0.0% | 0.0% | 0.0% | 0.0% |
| × | Arata Saito | 5 | 0.0% | 20.0% | 20.0% | 0.0% |
Dirt1401~1800m196 starts / ◎2 ○0
Win%: 10.2%Place%: 16.3%Show%: 21.4%ROI: 125.2%
💡 Arata Saito・Ryuji Wada stand out with ROI of 238.6%・124.2%. Primary win bet candidates.ROI is on a slight downward trend. Overall show rate 21.4% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Arata Saito | 7 | 28.6% | 57.1% | 57.1% | 238.6% |
| ◎ | Ryuji Wada | 19 | 15.8% | 15.8% | 26.3% | 124.2% |
| ▲ | Katsuma Sameshima | 17 | 17.6% | 29.4% | 29.4% | 69.4% |
| × | Kohei Matsuyama | 8 | 12.5% | 37.5% | 37.5% | 16.2% |
| × | Yoshihiro Furukawa | 6 | 0.0% | 0.0% | 0.0% | 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 1401~1800m
◎ Jockeys: Yoshihiro Furukawa (950.0%)
Overall ROI 137.5% / Show rate 17.9%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
🟡 Scenario B【Secondary】 Dirt 1401~1800m
◎ Jockeys: Arata Saito (238.6%)・Ryuji Wada (124.2%)
Overall ROI 125.2% / Show rate 21.4%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
🟡 Scenario C【Secondary】 Dirt ~1400m
◎ Jockeys: Kohei Matsuyama (117.8%)
Overall ROI 51.4% / Show rate 25.7%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
⚫ Conditions to Avoid
- Turf 2201m+ (overall ROI 0.0%): No ◎/○ jockeys. Place/Wide only.
📋 Jockey Substitution Checklist
| Jockey | Best Condition | Best ROI | Overall ROI | Recommended Bet |
|---|---|---|---|---|
| Yoshihiro Furukawa | Turf 1401~1800m | 950.0% | 237.5% | Win◎ |
| Akihide Tsumura | Dirt ~1400m | 263.3% | 131.7% | Win◎ |
| Arata Saito | Dirt 1401~1800m | 238.6% | 142.7% | Win◎ |
| Masahito Ozawa | Turf 1401~1800m | 165.0% | 66.0% | Place |
| Ryuji Wada | Dirt 1401~1800m | 124.2% | 60.0% | Place |
| Kohei Matsuyama | Dirt ~1400m | 117.8% | 54.1% | Place only |
| Katsuma Sameshima | Dirt ~1400m | 75.5% | 66.0% | Place |
| Kenichi Ikezoe | 0% | 0.0% | Place only | |
| 田口貫太 | 0% | 0.0% | Place only | |
| 国分優作 | 0% | 0.0% | Place only | |
| 秋山稔樹 | 0% | 0.0% | Place only | |
| Takashi Fujikake | 0% | 0.0% | Place only | |
| Haruki Wada | 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 | 256 | 9.4% | 14.8% | 20.7% | 110.0% |
| 2024 | 276 | 9.1% | 16.7% | 27.5% | 70.3% |
| 2025 | 262 | 7.6% | 15.3% | 19.8% | 68.4% |
| Total | 794 | 8.7% | 15.6% | 22.8% | 82.5% |
Turf Performance by Year × Distance
Turf Sprint (~1400m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 11 | 9.1% | 9.1% | 18.2% | 83.6% |
| 2024 | 20 | 0.0% | 5.0% | 5.0% | 0.0% |
| 2025 | 36 | 8.3% | 19.4% | 22.2% | 134.2% |
Turf Mile (1401~1800m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 26 | 7.7% | 7.7% | 7.7% | 255.8% |
| 2024 | 30 | 3.3% | 16.7% | 23.3% | 10.3% |
| 2025 | 28 | 10.7% | 17.9% | 21.4% | 163.9% |
Turf Middle (1801~2200m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 25 | 8.0% | 8.0% | 16.0% | 81.6% |
| 2024 | 24 | 4.2% | 4.2% | 16.7% | 32.5% |
| 2025 | 17 | 17.6% | 23.5% | 29.4% | 98.8% |
Turf Long (2201m+)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | 4 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | 3 | 0.0% | 0.0% | 33.3% | 0.0% |
Dirt Performance by Year × Distance
Dirt Sprint (~1400m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 106 | 9.4% | 18.9% | 24.5% | 54.6% |
| 2024 | 125 | 12.8% | 20.0% | 35.2% | 71.4% |
| 2025 | 107 | 4.7% | 11.2% | 15.9% | 24.8% |
Dirt Middle (1401~1800m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 80 | 11.2% | 16.2% | 23.8% | 159.5% |
| 2024 | 58 | 10.3% | 15.5% | 19.0% | 157.8% |
| 2025 | 58 | 8.6% | 17.2% | 20.7% | 45.3% |
Dirt Long (1801~2200m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 5 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | 15 | 6.7% | 33.3% | 60.0% | 15.3% |
| 2025 | 13 | 7.7% | 15.4% | 23.1% | 119.2% |
Jockey Stats (3-Year Combined / 2026 Active Only)
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Ryuji Wada | 57 | 8.8% | 17.5% | 24.6% | 60.0% |
| Katsuma Sameshima | 43 | 11.6% | 23.3% | 27.9% | 66.0% |
| Yoshihiro Furukawa | 28 | 7.1% | 7.1% | 7.1% | 237.5% |
| Kohei Matsuyama | 22 | 9.1% | 27.3% | 40.9% | 54.1% |
| Kenichi Ikezoe | 18 | 0.0% | 0.0% | 5.6% | 0.0% |
| Arata Saito | 15 | 20.0% | 40.0% | 40.0% | 142.7% |
| 田口貫太 | 12 | 0.0% | 0.0% | 8.3% | 0.0% |
| Masahito Ozawa | 10 | 10.0% | 10.0% | 10.0% | 66.0% |
| Akihide Tsumura | 6 | 16.7% | 33.3% | 33.3% | 131.7% |
| 国分優作 | 5 | 0.0% | 0.0% | 20.0% | 0.0% |
| 秋山稔樹 | 5 | 0.0% | 0.0% | 0.0% | 0.0% |
| Takashi Fujikake | 4 | 0.0% | 0.0% | 25.0% | 0.0% |
| Haruki Wada | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
Key Jockey Breakdown: Turf × Dirt × Year
▶ Ryuji Wada
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 6 | 0.0% | 0.0% | 0.0% | 0.0% | 14 | 7.1% | 21.4% | 28.6% | 30.0% |
| 2024 | 2 | 0.0% | 0.0% | 0.0% | 0.0% | 17 | 17.6% | 35.3% | 52.9% | 154.7% |
| 2025 | 5 | 0.0% | 0.0% | 0.0% | 0.0% | 13 | 7.7% | 7.7% | 7.7% | 28.5% |
| Total | 13 | 0.0% | 0.0% | 0.0% | 0.0% | 44 | 11.4% | 22.7% | 31.8% | 77.7% |
▶ Katsuma Sameshima
| 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% | 14 | 7.1% | 28.6% | 35.7% | 32.9% |
| 2024 | — | 13 | 15.4% | 23.1% | 30.8% | 54.6% | ||||
| 2025 | 3 | 0.0% | 0.0% | 0.0% | 0.0% | 12 | 16.7% | 25.0% | 25.0% | 139.2% |
| Total | 4 | 0.0% | 0.0% | 0.0% | 0.0% | 39 | 12.8% | 25.6% | 30.8% | 72.8% |
▶ Yoshihiro Furukawa
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 6 | 33.3% | 33.3% | 33.3% | 1108.3% | 5 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | 6 | 0.0% | 0.0% | 0.0% | 0.0% | 5 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | 3 | 0.0% | 0.0% | 0.0% | 0.0% | 3 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 15 | 13.3% | 13.3% | 13.3% | 443.3% | 13 | 0.0% | 0.0% | 0.0% | 0.0% |
▶ Kohei Matsuyama
| 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% | 100.0% | 0.0% | — | ||||
| 2024 | 3 | 0.0% | 0.0% | 0.0% | 0.0% | 11 | 9.1% | 36.4% | 45.5% | 96.4% |
| 2025 | — | 7 | 14.3% | 28.6% | 42.9% | 18.6% | ||||
| Total | 4 | 0.0% | 0.0% | 25.0% | 0.0% | 18 | 11.1% | 33.3% | 44.4% | 66.1% |
▶ Kenichi Ikezoe
| 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% | 10 | 0.0% | 0.0% | 10.0% | 0.0% |
| 2024 | — | 2 | 0.0% | 0.0% | 0.0% | 0.0% | ||||
| 2025 | 2 | 0.0% | 0.0% | 0.0% | 0.0% | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 4 | 0.0% | 0.0% | 0.0% | 0.0% | 14 | 0.0% | 0.0% | 7.1% | 0.0% |
▶ Arata Saito
| 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 | 1 | 0.0% | 0.0% | 0.0% | 0.0% | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | 2 | 50.0% | 50.0% | 50.0% | 235.0% | 9 | 22.2% | 55.6% | 55.6% | 185.6% |
| Total | 3 | 33.3% | 33.3% | 33.3% | 156.7% | 12 | 16.7% | 41.7% | 41.7% | 139.2% |
▶ 田口貫太
| 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% | 3 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | 2 | 0.0% | 0.0% | 0.0% | 0.0% | 3 | 0.0% | 0.0% | 33.3% | 0.0% |
| 2025 | — | 2 | 0.0% | 0.0% | 0.0% | 0.0% | ||||
| Total | 4 | 0.0% | 0.0% | 0.0% | 0.0% | 8 | 0.0% | 0.0% | 12.5% | 0.0% |
▶ Masahito Ozawa
| 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 | 1 | 0.0% | 0.0% | 0.0% | 0.0% | — | ||||
| 2025 | 5 | 20.0% | 20.0% | 20.0% | 132.0% | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 8 | 12.5% | 12.5% | 12.5% | 82.5% | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
▶ Akihide Tsumura
| 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 | 1 | 0.0% | 0.0% | 0.0% | 0.0% | 2 | 50.0% | 100.0% | 100.0% | 395.0% |
| 2025 | 1 | 0.0% | 0.0% | 0.0% | 0.0% | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 3 | 0.0% | 0.0% | 0.0% | 0.0% | 3 | 33.3% | 66.7% | 66.7% | 263.3% |
▶ 国分優作
| 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 | 1 | 0.0% | 0.0% | 0.0% | 0.0% | — | ||||
| 2025 | 1 | 0.0% | 0.0% | 0.0% | 0.0% | 2 | 0.0% | 0.0% | 50.0% | 0.0% |
| Total | 2 | 0.0% | 0.0% | 0.0% | 0.0% | 3 | 0.0% | 0.0% | 33.3% | 0.0% |
▶ 秋山稔樹
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | — | — | ||||||||
| 2024 | — | — | ||||||||
| 2025 | 3 | 0.0% | 0.0% | 0.0% | 0.0% | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 3 | 0.0% | 0.0% | 0.0% | 0.0% | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
▶ Takashi Fujikake
| 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% | 3 | 0.0% | 0.0% | 33.3% | 0.0% |
| Total | 1 | 0.0% | 0.0% | 0.0% | 0.0% | 3 | 0.0% | 0.0% | 33.3% | 0.0% |
▶ Haruki Wada
| 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% | ||||
| Total | — | 2 | 0.0% | 0.0% | 0.0% | 0.0% | ||||
Grade Race Performance (G1 / G2 / G3)
G2
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 4 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | 4 | 0.0% | 0.0% | 25.0% | 0.0% |
| 2025 | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 10 | 0.0% | 0.0% | 10.0% | 0.0% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Yoshihiro Furukawa | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
G3
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 4 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | 7 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 12 | 0.0% | 0.0% | 0.0% | 0.0% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Ryuji Wada | 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.