Data period: 2023–2025 (JRA) / Target jockeys: 2026 active riders only / Win ROI = theoretical return per ¥100 bet on all starters
Trainer Ishizaka Koichi Complete Betting Guide【2023–2025 JRA Data Analysis】
3-year combined win ROI: 104.5%. Turf 41% / Dirt 59% split. 2026 active jockeys: 中村将之 Taisei Danno Takuya Ono 小崎綾也 Masahito Ozawa Nozomi Iwata Kohei Matsuyama Ryusen Funayama Yuji Hishida 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~1400m88 starts / ◎0 ○0
Win%: 17.0%Place%: 26.1%Show%: 35.2%ROI: 184.5%
💡 Overall ROI 184.5%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating |
Jockey |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| × |
Yuji Hishida |
9 |
11.1% |
22.2% |
44.4% |
25.6% |
Turf1401~1800m98 starts / ◎0 ○0
Win%: 7.1%Place%: 12.2%Show%: 21.4%ROI: 57.1%
💡 Overall ROI 57.1%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating |
Jockey |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| × |
高杉吏麒 |
8 |
12.5% |
25.0% |
37.5% |
31.2% |
| × |
Yuji Hishida |
7 |
0.0% |
14.3% |
14.3% |
0.0% |
Turf1801~2200m96 starts / ◎0 ○0
Win%: 10.4%Place%: 24.0%Show%: 32.3%ROI: 102.8%
💡 Overall ROI 102.8%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating |
Jockey |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| No data for 2026 active jockeys |
Turf2201m+37 starts / ◎0 ○0
Win%: 2.7%Place%: 16.2%Show%: 18.9%ROI: 15.4%
💡 Overall ROI 15.4%. 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~1400m156 starts / ◎0 ○0
Win%: 11.5%Place%: 21.2%Show%: 28.2%ROI: 79.6%
💡 Overall ROI 79.6%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating |
Jockey |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| × |
高杉吏麒 |
6 |
16.7% |
33.3% |
50.0% |
43.3% |
| × |
Yuji Hishida |
6 |
16.7% |
16.7% |
33.3% |
40.0% |
Dirt1401~1800m268 starts / ◎2 ○0
Win%: 9.0%Place%: 18.7%Show%: 26.9%ROI: 111.7%
💡 Masahito Ozawa・Yuji Hishida stand out with ROI of 859.2%・406.4%. Primary win bet candidates.ROI is on an upward trend. Overall show rate 26.9% is high — effective as place anchor.
| Rating |
Jockey |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| ◎ |
Masahito Ozawa |
13 |
7.7% |
7.7% |
23.1% |
859.2% |
| ◎ |
Yuji Hishida |
14 |
21.4% |
35.7% |
35.7% |
406.4% |
| ▲ |
高杉吏麒 |
19 |
15.8% |
26.3% |
31.6% |
79.5% |
| × |
Nozomi Iwata |
6 |
0.0% |
0.0% |
33.3% |
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: Masahito Ozawa (859.2%)・Yuji Hishida (406.4%)
Overall ROI 111.7% / Show rate 26.9%. 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 57.1%): No ◎/○ jockeys. Place/Wide only.
- Turf 2201m+ (overall ROI 15.4%): No ◎/○ jockeys. Place/Wide only.
📋 Jockey Substitution Checklist
| Jockey |
Best Condition |
Best ROI |
Overall ROI |
Recommended Bet |
| Masahito Ozawa |
Dirt 1401~1800m |
859.2% |
446.8% |
Win◎ |
| Yuji Hishida |
Dirt 1401~1800m |
406.4% |
145.7% |
Win◎ |
| Kohei Matsuyama |
Dirt 1401~1800m |
375.0% |
130.0% |
Win◎ |
| 小崎綾也 |
Dirt 1401~1800m |
85.0% |
37.8% |
Place only |
| 高杉吏麒 |
Dirt 1401~1800m |
79.5% |
47.0% |
Place only |
| Nozomi Iwata |
|
0% |
0.0% |
Place only |
| Takuya Ono |
|
0% |
0.0% |
Place only |
| Taisei Danno |
|
0% |
0.0% |
Place only |
| Ryusen Funayama |
|
0% |
0.0% |
Place only |
| 中村将之 |
|
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 |
266 |
10.2% |
19.5% |
28.9% |
92.6% |
| 2024 |
262 |
7.6% |
16.8% |
24.8% |
86.3% |
| 2025 |
259 |
12.0% |
21.6% |
28.6% |
135.3% |
| Total |
787 |
9.9% |
19.3% |
27.4% |
104.5% |
Turf Performance by Year × Distance
Turf Sprint (~1400m)
| Year |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| 2023 |
32 |
15.6% |
21.9% |
31.2% |
85.9% |
| 2024 |
27 |
11.1% |
25.9% |
25.9% |
342.6% |
| 2025 |
29 |
24.1% |
31.0% |
48.3% |
146.2% |
Turf Mile (1401~1800m)
| Year |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| 2023 |
37 |
5.4% |
8.1% |
16.2% |
80.8% |
| 2024 |
27 |
3.7% |
7.4% |
18.5% |
32.2% |
| 2025 |
34 |
11.8% |
20.6% |
29.4% |
51.2% |
Turf Middle (1801~2200m)
| Year |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| 2023 |
28 |
14.3% |
28.6% |
42.9% |
213.2% |
| 2024 |
31 |
6.5% |
19.4% |
25.8% |
74.5% |
| 2025 |
37 |
10.8% |
24.3% |
29.7% |
43.0% |
Turf Long (2201m+)
| Year |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| 2023 |
10 |
0.0% |
10.0% |
10.0% |
0.0% |
| 2024 |
13 |
0.0% |
0.0% |
7.7% |
0.0% |
| 2025 |
14 |
7.1% |
35.7% |
35.7% |
40.7% |
Dirt Performance by Year × Distance
Dirt Sprint (~1400m)
| Year |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| 2023 |
53 |
9.4% |
20.8% |
30.2% |
30.4% |
| 2024 |
43 |
9.3% |
18.6% |
23.3% |
34.4% |
| 2025 |
60 |
15.0% |
23.3% |
30.0% |
155.3% |
Dirt Middle (1401~1800m)
| Year |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| 2023 |
91 |
11.0% |
20.9% |
30.8% |
121.0% |
| 2024 |
105 |
8.6% |
19.0% |
28.6% |
45.6% |
| 2025 |
72 |
6.9% |
15.3% |
19.4% |
196.4% |
Dirt Long (1801~2200m)
| Year |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| 2023 |
11 |
9.1% |
27.3% |
36.4% |
26.4% |
| 2024 |
15 |
6.7% |
6.7% |
26.7% |
261.3% |
| 2025 |
8 |
12.5% |
12.5% |
12.5% |
430.0% |
Jockey Stats (3-Year Combined / 2026 Active Only)
| Jockey |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| Yuji Hishida |
44 |
13.6% |
25.0% |
34.1% |
145.7% |
| 高杉吏麒 |
43 |
11.6% |
25.6% |
34.9% |
47.0% |
| Masahito Ozawa |
25 |
4.0% |
8.0% |
16.0% |
446.8% |
| Kohei Matsuyama |
19 |
21.1% |
31.6% |
36.8% |
130.0% |
| Nozomi Iwata |
13 |
0.0% |
0.0% |
15.4% |
0.0% |
| 小崎綾也 |
9 |
11.1% |
33.3% |
33.3% |
37.8% |
| Takuya Ono |
7 |
0.0% |
0.0% |
14.3% |
0.0% |
| Taisei Danno |
4 |
0.0% |
25.0% |
25.0% |
0.0% |
| Ryusen Funayama |
3 |
0.0% |
33.3% |
33.3% |
0.0% |
| 中村将之 |
1 |
0.0% |
0.0% |
100.0% |
0.0% |
Key Jockey Breakdown: Turf × Dirt × Year
▶ Yuji Hishida
| Year |
Turf Starts |
Turf Win% |
Turf Place% |
Turf Show% |
Turf ROI |
Dirt Starts |
Dirt Win% |
Dirt Place% |
Dirt Show% |
Dirt ROI |
| 2023 |
2 |
50.0% |
50.0% |
50.0% |
125.0% |
8 |
25.0% |
37.5% |
37.5% |
666.2% |
| 2024 |
7 |
0.0% |
14.3% |
28.6% |
0.0% |
5 |
20.0% |
40.0% |
40.0% |
72.0% |
| 2025 |
13 |
7.7% |
23.1% |
38.5% |
17.7% |
9 |
11.1% |
11.1% |
22.2% |
26.7% |
| Total |
22 |
9.1% |
22.7% |
36.4% |
21.8% |
22 |
18.2% |
27.3% |
31.8% |
269.5% |
▶ 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 |
5 |
0.0% |
0.0% |
0.0% |
0.0% |
13 |
23.1% |
30.8% |
38.5% |
116.2% |
| 2025 |
13 |
7.7% |
30.8% |
46.2% |
19.2% |
12 |
8.3% |
25.0% |
33.3% |
21.7% |
| Total |
18 |
5.6% |
22.2% |
33.3% |
13.9% |
25 |
16.0% |
28.0% |
36.0% |
70.8% |
▶ 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 |
4 |
0.0% |
0.0% |
0.0% |
0.0% |
11 |
0.0% |
0.0% |
18.2% |
0.0% |
| 2025 |
4 |
0.0% |
25.0% |
25.0% |
0.0% |
4 |
25.0% |
25.0% |
25.0% |
2792.5% |
| Total |
8 |
0.0% |
12.5% |
12.5% |
0.0% |
17 |
5.9% |
5.9% |
17.6% |
657.1% |
▶ Kohei Matsuyama
| Year |
Turf Starts |
Turf Win% |
Turf Place% |
Turf Show% |
Turf ROI |
Dirt Starts |
Dirt Win% |
Dirt Place% |
Dirt Show% |
Dirt ROI |
| 2023 |
2 |
50.0% |
50.0% |
50.0% |
170.0% |
1 |
0.0% |
0.0% |
0.0% |
0.0% |
| 2024 |
2 |
0.0% |
50.0% |
50.0% |
0.0% |
2 |
0.0% |
0.0% |
0.0% |
0.0% |
| 2025 |
7 |
28.6% |
42.9% |
42.9% |
90.0% |
5 |
20.0% |
20.0% |
40.0% |
300.0% |
| Total |
11 |
27.3% |
45.5% |
45.5% |
88.2% |
8 |
12.5% |
12.5% |
25.0% |
187.5% |
▶ Nozomi Iwata
| 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% |
3 |
0.0% |
0.0% |
0.0% |
0.0% |
| 2024 |
1 |
0.0% |
0.0% |
0.0% |
0.0% |
7 |
0.0% |
0.0% |
28.6% |
0.0% |
| 2025 |
— |
1 |
0.0% |
0.0% |
0.0% |
0.0% |
| Total |
2 |
0.0% |
0.0% |
0.0% |
0.0% |
11 |
0.0% |
0.0% |
18.2% |
0.0% |
▶ 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 |
1 |
0.0% |
0.0% |
0.0% |
0.0% |
1 |
0.0% |
100.0% |
100.0% |
0.0% |
| 2024 |
— |
3 |
33.3% |
33.3% |
33.3% |
113.3% |
| 2025 |
3 |
0.0% |
33.3% |
33.3% |
0.0% |
1 |
0.0% |
0.0% |
0.0% |
0.0% |
| Total |
4 |
0.0% |
25.0% |
25.0% |
0.0% |
5 |
20.0% |
40.0% |
40.0% |
68.0% |
▶ Takuya Ono
| 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% |
3 |
0.0% |
0.0% |
0.0% |
0.0% |
| 2024 |
— |
— |
| 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% |
5 |
0.0% |
0.0% |
20.0% |
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 |
1 |
0.0% |
0.0% |
0.0% |
0.0% |
— |
| 2024 |
— |
1 |
0.0% |
0.0% |
0.0% |
0.0% |
| 2025 |
— |
2 |
0.0% |
50.0% |
50.0% |
0.0% |
| Total |
1 |
0.0% |
0.0% |
0.0% |
0.0% |
3 |
0.0% |
33.3% |
33.3% |
0.0% |
▶ Ryusen Funayama
| 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% |
2 |
0.0% |
50.0% |
50.0% |
0.0% |
| Total |
1 |
0.0% |
0.0% |
0.0% |
0.0% |
2 |
0.0% |
50.0% |
50.0% |
0.0% |
▶ 中村将之
| 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% |
100.0% |
0.0% |
| Total |
— |
1 |
0.0% |
0.0% |
100.0% |
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 |
3 |
0.0% |
0.0% |
0.0% |
0.0% |
| Total |
7 |
0.0% |
0.0% |
0.0% |
0.0% |
G2
| Year |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| 2023 |
2 |
0.0% |
0.0% |
0.0% |
0.0% |
| 2024 |
— |
| 2025 |
4 |
25.0% |
50.0% |
50.0% |
142.5% |
| Total |
6 |
16.7% |
33.3% |
33.3% |
95.0% |
| Jockey |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| Takuya Ono |
1 |
0.0% |
0.0% |
0.0% |
0.0% |
G3
| Year |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| 2023 |
7 |
0.0% |
0.0% |
0.0% |
0.0% |
| 2024 |
5 |
0.0% |
0.0% |
20.0% |
0.0% |
| 2025 |
6 |
0.0% |
0.0% |
16.7% |
0.0% |
| Total |
18 |
0.0% |
0.0% |
11.1% |
0.0% |
| Jockey |
Starts |
Win% |
Place% |
Show% |
Win ROI |
| Yuji Hishida |
2 |
0.0% |
0.0% |
0.0% |
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.