Trainer Okubo Ryu Complete Betting Guide【2023-2025 JRA Data Analysis】

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Data period: 2023–2025 (JRA) / Target jockeys: 2026 active riders only / Win ROI = theoretical return per ¥100 bet on all starters

Trainer Okubo Ryu Complete Betting Guide【2023–2025 JRA Data Analysis】

3-year combined win ROI: 81.4%. Turf 46% / Dirt 54% split. 2026 active jockeys: ハマーハ Haruki Wada Ryusei Sakai 小崎綾也 Nozomi Iwata Yuiga Kawada Kohei Matsuyama Daiki Matsumoto Takuma Ogino Yusuke Fujioka 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~1400m99 starts / ◎0 ○0
Win%: 10.1%Place%: 19.2%Show%: 28.3%ROI: 96.8%
💡 Overall ROI 96.8%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
Rating Jockey Starts Win% Place% Show% Win ROI
× Ryusei Sakai 5 0.0% 0.0% 40.0% 0.0%
Turf1401~1800m159 starts / ◎1 ○1
Win%: 11.3%Place%: 20.1%Show%: 30.8%ROI: 40.9%
💡 Kohei Matsuyama stand out with ROI of 107.3%. Primary win bet candidates.Takuma Ogino also show solid stats for win or place bets.ROI is on a slight downward trend. Overall show rate 30.8% is high — effective as place anchor.
Rating Jockey Starts Win% Place% Show% Win ROI
◎ Kohei Matsuyama 11 18.2% 18.2% 36.4% 107.3%
○ Takuma Ogino 18 16.7% 22.2% 33.3% 86.7%
▲ Nozomi Iwata 7 28.6% 42.9% 57.1% 71.4%
× Ryusei Sakai 15 6.7% 26.7% 40.0% 14.7%
Turf1801~2200m85 starts / ◎1 ○0
Win%: 8.2%Place%: 10.6%Show%: 20.0%ROI: 45.9%
💡 Takuma Ogino stand out with ROI of 110.0%. Primary win bet candidates.ROI is on an upward trend. Overall show rate 20.0% is high — effective as place anchor.
Rating Jockey Starts Win% Place% Show% Win ROI
◎ Takuma Ogino 6 16.7% 16.7% 16.7% 110.0%
× Kohei Matsuyama 5 0.0% 0.0% 20.0% 0.0%
Turf2201m+38 starts / ◎0 ○0
Win%: 13.2%Place%: 21.1%Show%: 28.9%ROI: 87.4%
💡 Overall ROI 87.4%. 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~1400m146 starts / ◎1 ○1
Win%: 10.3%Place%: 13.7%Show%: 24.0%ROI: 73.4%
💡 Katsuma Sameshima stand out with ROI of 262.5%. Primary win bet candidates.Yuiga Kawada also show solid stats for win or place bets.ROI is on a slight downward trend. Overall show rate 24.0% is high — effective as place anchor.
Rating Jockey Starts Win% Place% Show% Win ROI
◎ Katsuma Sameshima 8 50.0% 50.0% 50.0% 262.5%
○ Yuiga Kawada 6 33.3% 66.7% 66.7% 80.0%
× Ryusei Sakai 6 16.7% 16.7% 50.0% 41.7%
× Nozomi Iwata 18 5.6% 11.1% 33.3% 13.3%
× Takuma Ogino 10 0.0% 10.0% 10.0% 0.0%
Dirt1401~1800m242 starts / ◎4 ○0
Win%: 16.9%Place%: 26.0%Show%: 34.7%ROI: 107.1%
💡 Ryusei Sakai・Nozomi Iwata・Katsuma Sameshima stand out with ROI of 180.0%・115.0%・110.0%. Primary win bet candidates.ROI is on an upward trend. Overall show rate 34.7% is high — effective as place anchor.
Rating Jockey Starts Win% Place% Show% Win ROI
◎ Ryusei Sakai 40 47.5% 52.5% 62.5% 180.0%
◎ Nozomi Iwata 10 30.0% 30.0% 40.0% 115.0%
◎ Katsuma Sameshima 6 16.7% 33.3% 33.3% 110.0%
◎ Takuma Ogino 10 10.0% 10.0% 10.0% 109.0%
× Kohei Matsuyama 12 8.3% 25.0% 33.3% 50.0%
× Yuiga Kawada 6 16.7% 50.0% 50.0% 28.3%
× 小崎綾也 6 0.0% 0.0% 16.7% 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: Katsuma Sameshima (262.5%)

Overall ROI 73.4% / Show rate 24.0%. Bet aggressively when ◎ jockeys confirmed.

💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.

🟡 Scenario B【Secondary】 Dirt 1401~1800m

◎ Jockeys: Ryusei Sakai (180.0%)・Nozomi Iwata (115.0%)・Katsuma Sameshima (110.0%)・Takuma Ogino (109.0%)

Overall ROI 107.1% / Show rate 34.7%. Bet aggressively when ◎ jockeys confirmed.

💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.

🟡 Scenario C【Secondary】 Turf 1801~2200m

◎ Jockeys: Takuma Ogino (110.0%)

Overall ROI 45.9% / Show rate 20.0%. Bet aggressively when ◎ jockeys confirmed.

💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.

📋 Jockey Substitution Checklist

Jockey Best Condition Best ROI Overall ROI Recommended Bet
Daiki Matsumoto Turf 2201m+ 2390.0% 398.3% Win◎
Yusuke Fujioka Turf 1801~2200m 700.0% 205.0% Win◎
Katsuma Sameshima Dirt ~1400m 262.5% 155.7% Win◎
Yuiga Kawada Turf 1401~1800m 185.0% 71.0% Place
Ryusei Sakai Dirt 1401~1800m 180.0% 109.5% Win◎
Nozomi Iwata Dirt 1401~1800m 115.0% 45.3% Place only
Takuma Ogino Turf 1801~2200m 110.0% 63.7% Place
Kohei Matsuyama Turf 1401~1800m 107.3% 59.5% Place only
小崎綾也 0% 0.0% Place only
Haruki Wada 0% 380.0% Win◎

📊 Data Details (Supporting Evidence)

Detailed stats supporting the signal ratings above.

Overall Performance by Year

Year Starts Win% Place% Show% Win ROI
2023 286 10.8% 17.1% 26.6% 48.6%
2024 286 14.3% 20.3% 29.4% 94.4%
2025 264 14.4% 23.9% 33.3% 102.8%
Total 836 13.2% 20.3% 29.7% 81.4%

Turf Performance by Year × Distance

Turf Sprint (~1400m)

Year Starts Win% Place% Show% Win ROI
2023 27 3.7% 11.1% 18.5% 7.0%
2024 34 14.7% 17.6% 26.5% 50.0%
2025 38 10.5% 26.3% 36.8% 202.4%

Turf Mile (1401~1800m)

Year Starts Win% Place% Show% Win ROI
2023 53 11.3% 17.0% 30.2% 58.9%
2024 60 13.3% 23.3% 35.0% 43.3%
2025 46 8.7% 19.6% 26.1% 17.0%

Turf Middle (1801~2200m)

Year Starts Win% Place% Show% Win ROI
2023 32 0.0% 3.1% 12.5% 0.0%
2024 27 11.1% 14.8% 22.2% 65.2%
2025 26 15.4% 15.4% 26.9% 82.3%

Turf Long (2201m+)

Year Starts Win% Place% Show% Win ROI
2023 13 7.7% 15.4% 23.1% 23.8%
2024 17 11.8% 23.5% 29.4% 24.1%
2025 8 25.0% 25.0% 37.5% 325.0%

Dirt Performance by Year × Distance

Dirt Sprint (~1400m)

Year Starts Win% Place% Show% Win ROI
2023 54 7.4% 13.0% 22.2% 50.9%
2024 49 12.2% 12.2% 22.4% 137.1%
2025 43 11.6% 16.3% 27.9% 28.8%

Dirt Middle (1401~1800m)

Year Starts Win% Place% Show% Win ROI
2023 84 14.3% 22.6% 32.1% 63.1%
2024 75 20.0% 24.0% 33.3% 154.4%
2025 83 16.9% 31.3% 38.6% 109.0%

Dirt Long (1801~2200m)

Year Starts Win% Place% Show% Win ROI
2023 18 27.8% 33.3% 38.9% 97.8%
2024 22 9.1% 27.3% 31.8% 100.9%
2025 20 25.0% 25.0% 40.0% 182.5%

Jockey Stats (3-Year Combined / 2026 Active Only)

Jockey Starts Win% Place% Show% Win ROI
Ryusei Sakai 76 30.3% 36.8% 51.3% 109.5%
Takuma Ogino 52 9.6% 13.5% 17.3% 63.7%
Nozomi Iwata 45 15.6% 20.0% 35.6% 45.3%
Kohei Matsuyama 40 10.0% 22.5% 32.5% 59.5%
Katsuma Sameshima 23 30.4% 43.5% 52.2% 155.7%
Yuiga Kawada 21 33.3% 61.9% 61.9% 71.0%
小崎綾也 19 0.0% 0.0% 10.5% 0.0%
Yusuke Fujioka 8 25.0% 25.0% 37.5% 205.0%
Daiki Matsumoto 6 16.7% 16.7% 16.7% 398.3%
Haruki Wada 6 16.7% 33.3% 66.7% 380.0%

Key Jockey Breakdown: Turf × Dirt × Year

▶ Ryusei Sakai

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 7 0.0% 0.0% 28.6% 0.0% 12 33.3% 33.3% 33.3% 125.0%
2024 12 0.0% 25.0% 33.3% 0.0% 17 41.2% 47.1% 70.6% 187.1%
2025 5 20.0% 20.0% 40.0% 44.0% 23 47.8% 52.2% 65.2% 148.7%
Total 24 4.2% 16.7% 33.3% 9.2% 52 42.3% 46.2% 59.6% 155.8%

▶ Takuma Ogino

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 5 40.0% 40.0% 40.0% 216.0% 6 16.7% 33.3% 33.3% 181.7%
2024 14 14.3% 21.4% 35.7% 81.4% 8 0.0% 0.0% 0.0% 0.0%
2025 10 0.0% 0.0% 0.0% 0.0% 9 0.0% 0.0% 0.0% 0.0%
Total 29 13.8% 17.2% 24.1% 76.6% 23 4.3% 8.7% 8.7% 47.4%

▶ Nozomi Iwata

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 9 22.2% 33.3% 55.6% 55.6% 15 20.0% 26.7% 46.7% 58.0%
2024 2 0.0% 0.0% 0.0% 0.0% 13 15.4% 15.4% 30.8% 51.5%
2025 2 0.0% 0.0% 0.0% 0.0% 4 0.0% 0.0% 0.0% 0.0%
Total 13 15.4% 23.1% 38.5% 38.5% 32 15.6% 18.8% 34.4% 48.1%

▶ Kohei Matsuyama

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 8 12.5% 12.5% 25.0% 112.5% 4 0.0% 0.0% 0.0% 0.0%
2024 6 16.7% 16.7% 33.3% 46.7% 7 14.3% 28.6% 42.9% 85.7%
2025 7 0.0% 28.6% 42.9% 0.0% 8 12.5% 37.5% 37.5% 75.0%
Total 21 9.5% 19.0% 33.3% 56.2% 19 10.5% 26.3% 31.6% 63.2%

▶ Katsuma Sameshima

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% 50.0% 50.0% 0.0% 8 37.5% 50.0% 50.0% 278.8%
2024 4 0.0% 0.0% 50.0% 0.0% 3 66.7% 66.7% 66.7% 280.0%
2025 1 0.0% 100.0% 100.0% 0.0% 5 40.0% 40.0% 40.0% 102.0%
Total 7 0.0% 28.6% 57.1% 0.0% 16 43.8% 50.0% 50.0% 223.7%

▶ Yuiga Kawada

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 3 33.3% 66.7% 66.7% 63.3% 4 25.0% 50.0% 50.0% 70.0%
2024 2 50.0% 50.0% 50.0% 65.0% 2 50.0% 50.0% 50.0% 85.0%
2025 3 33.3% 66.7% 66.7% 80.0% 7 28.6% 71.4% 71.4% 68.6%
Total 8 37.5% 62.5% 62.5% 70.0% 13 30.8% 61.5% 61.5% 71.5%

▶ 小崎綾也

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 4 0.0% 0.0% 25.0% 0.0% 4 0.0% 0.0% 25.0% 0.0%
2024 3 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%
Total 7 0.0% 0.0% 14.3% 0.0% 12 0.0% 0.0% 8.3% 0.0%

▶ Yusuke Fujioka

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% 1 0.0% 0.0% 0.0% 0.0%
2024 — 1 0.0% 0.0% 0.0% 0.0%
2025 3 33.3% 33.3% 66.7% 466.7% 1 100.0% 100.0% 100.0% 240.0%
Total 5 20.0% 20.0% 40.0% 280.0% 3 33.3% 33.3% 33.3% 80.0%

▶ Daiki Matsumoto

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 4 0.0% 0.0% 0.0% 0.0% —
2024 — —
2025 2 50.0% 50.0% 50.0% 1195.0% —
Total 6 16.7% 16.7% 16.7% 398.3% —

▶ 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 — 6 16.7% 33.3% 66.7% 380.0%
Total — 6 16.7% 33.3% 66.7% 380.0%

Grade Race Performance (G1 / G2 / G3)

G1

Year Starts Win% Place% Show% Win ROI
2023 9 0.0% 11.1% 11.1% 0.0%
2024 7 0.0% 0.0% 14.3% 0.0%
2025 2 50.0% 50.0% 50.0% 365.0%
Total 18 5.6% 11.1% 16.7% 40.6%
Jockey Starts Win% Place% Show% Win ROI
Ryusei Sakai 1 100.0% 100.0% 100.0% 730.0%
Nozomi Iwata 1 0.0% 0.0% 0.0% 0.0%
Kohei Matsuyama 1 0.0% 0.0% 0.0% 0.0%

G2

Year Starts Win% Place% Show% Win ROI
2023 4 0.0% 0.0% 25.0% 0.0%
2024 5 0.0% 20.0% 20.0% 0.0%
2025 2 0.0% 0.0% 0.0% 0.0%
Total 11 0.0% 9.1% 18.2% 0.0%
Jockey Starts Win% Place% Show% Win ROI
Nozomi Iwata 2 0.0% 0.0% 0.0% 0.0%

G3

Year Starts Win% Place% Show% Win ROI
2023 12 8.3% 8.3% 33.3% 23.3%
2024 14 7.1% 21.4% 28.6% 29.3%
2025 12 25.0% 25.0% 41.7% 505.8%
Total 38 13.2% 18.4% 34.2% 177.9%
Jockey Starts Win% Place% Show% Win ROI
Ryusei Sakai 4 25.0% 25.0% 50.0% 150.0%
Kohei Matsuyama 3 33.3% 33.3% 66.7% 200.0%
Nozomi Iwata 2 0.0% 0.0% 50.0% 0.0%
Yuiga Kawada 1 100.0% 100.0% 100.0% 280.0%

※ 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.

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