Trainer Nishizono Masato Complete Betting Guide【2023-2025 JRA Data Analysis】

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

Trainer Nishizono Masato Complete Betting Guide【2023–2025 JRA Data Analysis】

3-year combined win ROI: 71.1%. Turf 40% / Dirt 60% split. 2026 active jockeys: Nobuyuki Yoshimura Haruki Wada Taisei Danno 国分恭介 Keita Tosaki Arata Saito Kohei Matsuyama 田山旺佑 田村太雅 田辺裕信 Osamu Ishibashi Manabu Sakai Yoshihito Nagaoka 難波剛健.

※ 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~1400m233 starts / ◎3 ○0
Win%: 10.7%Place%: 18.9%Show%: 26.6%ROI: 60.9%
💡 Taisei Danno・Osamu Ishibashi・国分恭介 stand out with ROI of 170.0%・110.0%・101.7%. Primary win bet candidates.ROI is on an upward trend. Overall show rate 26.6% is high — effective as place anchor.
Rating Jockey Starts Win% Place% Show% Win ROI
Taisei Danno 7 28.6% 28.6% 28.6% 170.0%
Osamu Ishibashi 13 15.4% 46.2% 53.8% 110.0%
国分恭介 6 16.7% 16.7% 16.7% 101.7%
× Kohei Matsuyama 9 11.1% 33.3% 44.4% 30.0%
× Manabu Sakai 11 9.1% 18.2% 18.2% 29.1%
Turf1401~1800m104 starts / ◎0 ○0
Win%: 3.8%Place%: 10.6%Show%: 13.5%ROI: 23.3%
💡 Overall ROI 23.3%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
Rating Jockey Starts Win% Place% Show% Win ROI
× Osamu Ishibashi 9 0.0% 22.2% 33.3% 0.0%
Turf1801~2200m36 starts / ◎0 ○0
Win%: 2.8%Place%: 5.6%Show%: 8.3%ROI: 50.0%
💡 Overall ROI 50.0%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
Rating Jockey Starts Win% Place% Show% Win ROI
× 国分恭介 5 0.0% 0.0% 0.0% 0.0%
Turf2201m+16 starts / ◎0 ○0
Win%: 0.0%Place%: 0.0%Show%: 0.0%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
× 国分恭介 5 0.0% 0.0% 0.0% 0.0%
Dirt~1400m301 starts / ◎1 ○0
Win%: 8.3%Place%: 18.3%Show%: 26.2%ROI: 73.0%
💡 Osamu Ishibashi stand out with ROI of 113.0%. Primary win bet candidates.ROI is on an upward trend. Overall show rate 26.2% is high — effective as place anchor.
Rating Jockey Starts Win% Place% Show% Win ROI
Osamu Ishibashi 27 14.8% 25.9% 37.0% 113.0%
× Manabu Sakai 22 4.5% 4.5% 4.5% 40.9%
× Kohei Matsuyama 15 6.7% 20.0% 26.7% 15.3%
× 田辺裕信 5 0.0% 20.0% 40.0% 0.0%
Dirt1401~1800m234 starts / ◎1 ○0
Win%: 12.8%Place%: 23.5%Show%: 27.8%ROI: 87.4%
💡 Nobuyuki Yoshimura stand out with ROI of 246.0%. Primary win bet candidates.ROI is on an upward trend. Overall show rate 27.8% is high — effective as place anchor.
Rating Jockey Starts Win% Place% Show% Win ROI
Nobuyuki Yoshimura 5 20.0% 20.0% 20.0% 246.0%
Kohei Matsuyama 21 19.0% 42.9% 47.6% 60.5%
× Osamu Ishibashi 13 0.0% 7.7% 7.7% 0.0%
× Manabu Sakai 8 0.0% 0.0% 12.5% 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: Nobuyuki Yoshimura (246.0%)

Overall ROI 87.4% / Show rate 27.8%. Bet aggressively when ◎ jockeys confirmed.

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

🟡 Scenario B【Secondary】 Turf ~1400m

◎ Jockeys: Taisei Danno (170.0%)・Osamu Ishibashi (110.0%)・国分恭介 (101.7%)

Overall ROI 60.9% / Show rate 26.6%. Bet aggressively when ◎ jockeys confirmed.

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

🟡 Scenario C【Secondary】 Dirt ~1400m

◎ Jockeys: Osamu Ishibashi (113.0%)

Overall ROI 73.0% / Show rate 26.2%. Bet aggressively when ◎ jockeys confirmed.

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

⚫ Conditions to Avoid

  • Turf 1401~1800m (overall ROI 23.3%): No ◎/○ jockeys. Place/Wide only.
  • Turf 1801~2200m (overall ROI 50.0%): No ◎/○ jockeys. Place/Wide only.
  • Turf 2201m+ (overall ROI 0.0%): No ◎/○ jockeys. Place/Wide only.

📋 Jockey Substitution Checklist

Jockey Best Condition Best ROI Overall ROI Recommended Bet
Keita Tosaki Dirt ~1400m 620.0% 124.0% Win◎
Yoshihito Nagaoka Dirt 1401~1800m 345.0% 230.0% Win◎
Nobuyuki Yoshimura Dirt 1401~1800m 246.0% 153.8% Win◎
Taisei Danno Turf ~1400m 170.0% 125.0% Win◎
Osamu Ishibashi Dirt ~1400m 113.0% 67.9% Place
国分恭介 Turf ~1400m 101.7% 30.5% Place only
Kohei Matsuyama Dirt 1401~1800m 60.5% 60.0% Place
Manabu Sakai Dirt ~1400m 40.9% 50.6% Place only
田辺裕信 0% 0.0% Place only
難波剛健 0% 133.8% Win◎
Arata Saito 0% 0.0% Place only
Haruki Wada 0% 0.0% Place only
田村太雅 0% 0.0% Place only
田山旺佑 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 320 10.6% 18.8% 25.3% 65.7%
2024 315 10.5% 21.9% 28.6% 66.0%
2025 331 7.9% 14.5% 19.9% 81.3%
Total 966 9.6% 18.3% 24.5% 71.1%

Turf Performance by Year × Distance

Turf Sprint (~1400m)

Year Starts Win% Place% Show% Win ROI
2023 79 8.9% 17.7% 24.1% 45.4%
2024 70 11.4% 22.9% 31.4% 51.0%
2025 84 11.9% 16.7% 25.0% 83.8%

Turf Mile (1401~1800m)

Year Starts Win% Place% Show% Win ROI
2023 34 0.0% 2.9% 5.9% 0.0%
2024 31 9.7% 19.4% 22.6% 57.4%
2025 39 2.6% 10.3% 12.8% 16.4%

Turf Middle (1801~2200m)

Year Starts Win% Place% Show% Win ROI
2023 18 5.6% 11.1% 16.7% 100.0%
2024 8 0.0% 0.0% 0.0% 0.0%
2025 10 0.0% 0.0% 0.0% 0.0%

Turf Long (2201m+)

Year Starts Win% Place% Show% Win ROI
2023 9 0.0% 0.0% 0.0% 0.0%
2024 1 0.0% 0.0% 0.0% 0.0%
2025 6 0.0% 0.0% 0.0% 0.0%

Dirt Performance by Year × Distance

Dirt Sprint (~1400m)

Year Starts Win% Place% Show% Win ROI
2023 107 14.0% 24.3% 31.8% 84.3%
2024 97 6.2% 17.5% 26.8% 28.9%
2025 97 4.1% 12.4% 19.6% 104.5%

Dirt Middle (1401~1800m)

Year Starts Win% Place% Show% Win ROI
2023 64 12.5% 21.9% 29.7% 65.5%
2024 96 13.5% 28.1% 31.2% 88.6%
2025 74 12.2% 18.9% 21.6% 104.6%

Dirt Long (1801~2200m)

Year Starts Win% Place% Show% Win ROI
2023 8 37.5% 37.5% 50.0% 302.5%
2024 12 25.0% 25.0% 41.7% 343.3%
2025 11 9.1% 18.2% 27.3% 24.5%

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

Jockey Starts Win% Place% Show% Win ROI
Osamu Ishibashi 66 9.1% 24.2% 33.3% 67.9%
Kohei Matsuyama 55 14.5% 32.7% 38.2% 60.0%
Manabu Sakai 47 8.5% 10.6% 14.9% 50.6%
国分恭介 20 5.0% 5.0% 5.0% 30.5%
Taisei Danno 12 25.0% 25.0% 25.0% 125.0%
田辺裕信 8 0.0% 12.5% 37.5% 0.0%
Nobuyuki Yoshimura 8 12.5% 12.5% 12.5% 153.8%
難波剛健 8 12.5% 25.0% 25.0% 133.8%
Yoshihito Nagaoka 6 33.3% 33.3% 50.0% 230.0%
Arata Saito 5 0.0% 0.0% 0.0% 0.0%
Keita Tosaki 5 20.0% 40.0% 40.0% 124.0%
Haruki Wada 5 0.0% 0.0% 20.0% 0.0%
田村太雅 5 0.0% 0.0% 0.0% 0.0%
田山旺佑 2 0.0% 0.0% 0.0% 0.0%

Key Jockey Breakdown: Turf × Dirt × Year

▶ Osamu Ishibashi

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 11 9.1% 36.4% 45.5% 34.5% 19 21.1% 36.8% 52.6% 160.5%
2024 5 0.0% 40.0% 40.0% 0.0% 14 0.0% 7.1% 7.1% 0.0%
2025 7 14.3% 28.6% 42.9% 150.0% 10 0.0% 0.0% 10.0% 0.0%
Total 23 8.7% 34.8% 43.5% 62.2% 43 9.3% 18.6% 27.9% 70.9%

▶ Kohei Matsuyama

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% 14.3% 14.3% 0.0% 12 25.0% 41.7% 41.7% 149.2%
2024 2 0.0% 0.0% 0.0% 0.0% 8 37.5% 62.5% 62.5% 121.2%
2025 5 20.0% 40.0% 60.0% 54.0% 21 4.8% 23.8% 33.3% 12.9%
Total 14 7.1% 21.4% 28.6% 19.3% 41 17.1% 36.6% 41.5% 73.9%

▶ Manabu Sakai

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% 0.0% 0.0% 18 16.7% 16.7% 22.2% 114.4%
2024 2 0.0% 0.0% 0.0% 0.0% 4 0.0% 0.0% 25.0% 0.0%
2025 8 12.5% 25.0% 25.0% 40.0% 12 0.0% 0.0% 0.0% 0.0%
Total 13 7.7% 15.4% 15.4% 24.6% 34 8.8% 8.8% 14.7% 60.6%

▶ 国分恭介

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 9 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 7 14.3% 14.3% 14.3% 87.1% 1 0.0% 0.0% 0.0% 0.0%
Total 17 5.9% 5.9% 5.9% 35.9% 3 0.0% 0.0% 0.0% 0.0%

▶ Taisei Danno

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 2 0.0% 0.0% 0.0% 0.0%
2024 2 50.0% 50.0% 50.0% 155.0%
2025 7 28.6% 28.6% 28.6% 170.0% 1 0.0% 0.0% 0.0% 0.0%
Total 11 27.3% 27.3% 27.3% 136.4% 1 0.0% 0.0% 0.0% 0.0%

▶ 田辺裕信

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% 2 0.0% 0.0% 0.0% 0.0%
2024 2 0.0% 0.0% 0.0% 0.0% 2 0.0% 50.0% 50.0% 0.0%
2025 1 0.0% 0.0% 100.0% 0.0%
Total 3 0.0% 0.0% 33.3% 0.0% 5 0.0% 20.0% 40.0% 0.0%

▶ Nobuyuki Yoshimura

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023
2024 1 0.0% 0.0% 0.0% 0.0% 3 33.3% 33.3% 33.3% 410.0%
2025 4 0.0% 0.0% 0.0% 0.0%
Total 1 0.0% 0.0% 0.0% 0.0% 7 14.3% 14.3% 14.3% 175.7%

▶ 難波剛健

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% 6 16.7% 33.3% 33.3% 178.3%
Total 2 0.0% 0.0% 0.0% 0.0% 6 16.7% 33.3% 33.3% 178.3%

▶ Yoshihito Nagaoka

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 4 50.0% 50.0% 75.0% 345.0%
Total 2 0.0% 0.0% 0.0% 0.0% 4 50.0% 50.0% 75.0% 345.0%

▶ 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% 2 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%
Total 3 0.0% 0.0% 0.0% 0.0% 2 0.0% 0.0% 0.0% 0.0%

▶ Keita Tosaki

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 1 0.0% 0.0% 0.0% 0.0% 1 100.0% 100.0% 100.0% 620.0%
2024 2 0.0% 50.0% 50.0% 0.0% 1 0.0% 0.0% 0.0% 0.0%
2025
Total 3 0.0% 33.3% 33.3% 0.0% 2 50.0% 50.0% 50.0% 310.0%

▶ 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 1 0.0% 0.0% 0.0% 0.0% 4 0.0% 0.0% 25.0% 0.0%
Total 1 0.0% 0.0% 0.0% 0.0% 4 0.0% 0.0% 25.0% 0.0%

▶ 田村太雅

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% 4 0.0% 0.0% 0.0% 0.0%
Total 1 0.0% 0.0% 0.0% 0.0% 4 0.0% 0.0% 0.0% 0.0%

▶ 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%
Total 2 0.0% 0.0% 0.0% 0.0%

Grade Race Performance (G1 / G2 / G3)

G1

Year Starts Win% Place% Show% Win ROI
2023 2 0.0% 0.0% 0.0% 0.0%
2024 2 0.0% 0.0% 0.0% 0.0%
2025 2 0.0% 0.0% 0.0% 0.0%
Total 6 0.0% 0.0% 0.0% 0.0%
Jockey Starts Win% Place% Show% Win ROI
Osamu Ishibashi 2 0.0% 0.0% 0.0% 0.0%
国分恭介 1 0.0% 0.0% 0.0% 0.0%

G2

Year Starts Win% Place% Show% Win ROI
2023 11 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%
Total 13 0.0% 0.0% 0.0% 0.0%
Jockey Starts Win% Place% Show% Win ROI
国分恭介 8 0.0% 0.0% 0.0% 0.0%

G3

Year Starts Win% Place% Show% Win ROI
2023 13 0.0% 15.4% 23.1% 0.0%
2024 10 10.0% 30.0% 50.0% 47.0%
2025 7 0.0% 0.0% 0.0% 0.0%
Total 30 3.3% 16.7% 26.7% 15.7%
Jockey Starts Win% Place% Show% Win ROI
Osamu Ishibashi 5 0.0% 20.0% 20.0% 0.0%
Manabu Sakai 3 0.0% 0.0% 33.3% 0.0%
Kohei Matsuyama 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.

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