No challenge at Istanbul today. Recent results are below, and every meeting racing today is on the home page.
| Date | Challenge | Winner | Pts | Races |
|---|---|---|---|---|
| Fri 23 Oct | Jockey challenge | V Abis | 13 | 8 |
| Wed 21 Oct | Jockey challenge | Vedat Abiş | 10 | 10 |
| Sun 18 Oct | Jockey challenge | G Kocakaya | 11 | 8 |
| Fri 16 Oct | Jockey challenge | A Kursun | 9 | 6 |
| Wed 14 Oct | Jockey challenge | H Karatas | 9 | 8 |
| Sun 11 Oct | Jockey challenge | V Abis | 9 | 9 |
| Sat 10 Oct | Jockey challenge | A Sozen | 4 | 2 |
| Fri 9 Oct | Jockey challenge | H Cizik | 7 | 8 |
| Wed 7 Oct | Jockey challenge | M Bilgin | 6 | 9 |
| Sun 4 Oct | Jockey challenge | A Kursun | 11 | 9 |
| Fri 2 Oct | Jockey challenge | G Kocakaya | 9 | 10 |
| Wed 30 Sept | Jockey challenge | G Kocakaya | 14 | 9 |
| Sun 27 Sept | Jockey challenge | V Abis | 9 | 10 |
| Fri 25 Sept | Jockey challenge | G Kocakaya | 10 | 9 |
| Wed 23 Sept | Jockey challenge | G Kocakaya | 11 | 9 |
| Sun 20 Sept | Jockey challenge | Vedat Abiş | 9 | 9 |
| Fri 18 Sept | Jockey challenge | Eray Çizik | 6 | 9 |
| Wed 16 Sept | Jockey challenge | Vedat Abiş | 8 | 10 |
| Sun 13 Sept | Jockey challenge | Gökhan Kocakaya | 9 | 9 |
| Fri 11 Sept | Jockey challenge | Gökhan Kocakaya | 10.5 | 9 |
Every Istanbul race meeting runs a jockey challenge: riders score 3 points for a win, 2 for second and 1 for third across the card, and the rider with the most points after the last race wins.
This page carries Istanbul's challenge board on race days and its recent results the rest of the time. Every meeting on today's card is listed on the home page, and past days are in the results archive.