Jockey Kosaki Ayaya Complete Betting Guide【2023-2025 JRA Data Analysis】
2026 JRA Jockey Ranking #47
⭐ Key Betting Tips for Kosaki Ayaya
- 🏇 Best Track×Surface: Tokyo Turf (Win 14.3% / ROI 246.2%)
- 📏 Best Distance: Turf 1800-2200m (Win 4.8% / ROI 147.9%)
- 🏠 Best Stable: Shinya Kobayashi (Win 9.1% / ROI 936.4%)
- 👑 Best Owner: Normandy Thoroughbred (Win 4.5% / ROI 452.3%)
- 🌿 Best Farm: Yanagawa Farm (Win 30.0% / ROI 1400.0%)
- 🔄 Jockey Change: Change rides better (Change 79.5% vs Cont. 34.4%)
Data period: 2023–2025 / Full analysis of tracks, surfaces, distances, jockey changes, stables, owners and farms.
Overall Record (2023–2025)
29
Wins
3.5%
Win Rate
7.7%
Place Rate
12.8%
Show Rate
58.5%
Win ROI
Annual Record
| Year | Starts | Wins | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| 2023 | 194 | 3 | 1.5% | 4.1% | 8.8% | 20.6% |
| 2024 | 280 | 10 | 3.6% | 7.9% | 11.8% | 32.5% |
| 2025 | 347 | 16 | 4.6% | 9.5% | 15.9% | 100.6% |
Performance by Track × Surface (Top ROI)
| Track | Surface | Starts | Wins | Win% | Win ROI |
|---|---|---|---|---|---|
| Tokyo | Turf | 21 | 3 | 14.3% | 246.2% |
| Kokura | Turf | 64 | 4 | 6.2% | 241.7% |
| Chukyo | Turf | 88 | 3 | 3.4% | 135.9% |
| Niigata | Turf | 42 | 3 | 7.1% | 78.1% |
| Fukushima | Turf | 18 | 1 | 5.6% | 76.7% |
| Niigata | Dirt | 24 | 1 | 4.2% | 63.3% |
| Tokyo | Dirt | 30 | 3 | 10.0% | 50.0% |
| Chukyo | Dirt | 98 | 4 | 4.1% | 46.7% |
Performance by Surface × Distance
| Surface | Distance | Starts | Wins | Win% | Win ROI |
|---|---|---|---|---|---|
| Turf | up to 1400m | 81 | 1 | 1.2% | 13.6% |
| Turf | 1400-1800m | 123 | 6 | 4.9% | 131.3% |
| Turf | 1800-2200m | 125 | 6 | 4.8% | 147.9% |
| Turf | 2200m+ | 37 | 2 | 5.4% | 50.8% |
| Dirt | up to 1400m | 94 | 0 | 0.0% | 0.0% |
| Dirt | 1400-1800m | 179 | 9 | 5.0% | 29.3% |
| Dirt | 1800-2200m | 179 | 5 | 2.8% | 28.8% |
Jockey Change Analysis
🔄 After Jockey Change
3.3%
Win Rate (480 rides)
79.5%
Win ROI
✅ Continuing Rider
5.3%
Win Rate (226 rides)
34.4%
Win ROI
Previous Jockey Breakdown
| Prev. Jockey | Rides | Wins | Win% | Win ROI |
|---|---|---|---|---|
| 西村淳也 | 17 | 0 | 0.0% | 0.0% |
| 藤懸貴志 | 17 | 1 | 5.9% | 89.4% |
| 松若風馬 | 15 | 2 | 13.3% | 218.0% |
| 岩田望来 | 14 | 0 | 0.0% | 0.0% |
| 富田暁 | 13 | 1 | 7.7% | 257.7% |
| 小沢大仁 | 12 | 0 | 0.0% | 0.0% |
| 田口貫太 | 12 | 0 | 0.0% | 0.0% |
| 今村聖奈 | 12 | 1 | 8.3% | 45.0% |
Top 5 Recommended Stables (ROI)
| Stable | Starts | Win% | Win ROI |
|---|---|---|---|
| Shinya Kobayashi Stable | 11 | 9.1% | 936.4% |
| Kazuya Takahashi Stable | 49 | 8.2% | 146.9% |
| Ryou Terashima Stable | 73 | 2.7% | 143.7% |
| Yasuo Tomomichi Stable | 22 | 18.2% | 129.5% |
| Noritada Takahashi Stable | 11 | 9.1% | 51.8% |
Stable Win Rankings TOP10
| # | Stable | Starts | Wins | Win% |
|---|---|---|---|---|
| 1 | Nori Ozaki Stable | 160 | 5 | 3.1% |
| 2 | Kazuya Takahashi Stable | 49 | 4 | 8.2% |
| 3 | Yasuo Tomomichi Stable | 22 | 4 | 18.2% |
| 4 | Ryou Terashima Stable | 73 | 2 | 2.7% |
| 5 | Shinya Kobayashi Stable | 11 | 1 | 9.1% |
| 6 | Noritada Takahashi Stable | 11 | 1 | 9.1% |
| 7 | Hidemasa Nakao Stable | 18 | 1 | 5.6% |
| 8 | Hiroki Kawashima Stable | 21 | 1 | 4.8% |
| 9 | Yuuichi Fukunaga Stable | 33 | 1 | 3.0% |
| 10 | Mei Murayama Stable | 32 | 1 | 3.1% |
Top 5 Recommended Owners (ROI)
| Owner | Starts | Win% | Win ROI |
|---|---|---|---|
| Normandy Thoroughbred | 22 | 4.5% | 452.3% |
| Goshi Kawasaki | 19 | 15.8% | 257.4% |
| Tetsuya Ichimura | 15 | 6.7% | 140.0% |
| Chizu Yoshida | 12 | 16.7% | 121.7% |
| Fukukitaru | 16 | 6.2% | 83.8% |
Owner Win Rankings TOP10
| # | Owner | Starts | Wins | Win% |
|---|---|---|---|---|
| 1 | Goshi Kawasaki | 19 | 3 | 15.8% |
| 2 | Chizu Yoshida | 12 | 2 | 16.7% |
| 3 | G1 Racing | 16 | 2 | 12.5% |
| 4 | Kaneko Makoto Holdings | 14 | 2 | 14.3% |
| 5 | Normandy Thoroughbred | 22 | 1 | 4.5% |
| 6 | Tetsuya Ichimura | 15 | 1 | 6.7% |
| 7 | Fukukitaru | 16 | 1 | 6.2% |
| 8 | Dou Eishin | 10 | 1 | 10.0% |
| 9 | Yoshihiro Tsukada | 16 | 1 | 6.2% |
| 10 | Nisshinhoorudi | 25 | 1 | 4.0% |
Top 5 Recommended Farms (ROI)
| Farm | Starts | Win% | Win ROI |
|---|---|---|---|
| Yanagawa Farm | 10 | 30.0% | 1400.0% |
| Okada Stud | 10 | 10.0% | 995.0% |
| Keiichi Samekawa | 15 | 13.3% | 314.7% |
| Nabokujou Tomi | 13 | 7.7% | 161.5% |
| Oiwake Farm | 12 | 16.7% | 80.0% |
Farm Win Rankings TOP10
| # | Farm | Starts | Wins | Win% |
|---|---|---|---|---|
| 1 | Shadai Farm | 61 | 6 | 9.8% |
| 2 | Yanagawa Farm | 10 | 3 | 30.0% |
| 3 | Keiichi Samekawa | 15 | 2 | 13.3% |
| 4 | Oiwake Farm | 12 | 2 | 16.7% |
| 5 | Northern Farm | 68 | 2 | 2.9% |
| 6 | Okada Stud | 10 | 1 | 10.0% |
| 7 | Nabokujou Tomi | 13 | 1 | 7.7% |
| 8 | Bokujou Tabata | 10 | 1 | 10.0% |
| 9 | Champions Farm | 32 | 0 | 0.0% |
| 10 | North Hills | 23 | 0 | 0.0% |
Disclaimer: Data covers JRA races from 2023–2025. Past performance does not guarantee future results. Bet responsibly.