# 2006 İstanbul Cup – Singles

Venus Williams was the defending champion, but did not compete this year.
Shahar Pe'er won the title by defeating Anastasia Myskina 1–6, 6–3, 7–6$^{(7–3)}$ in the final.

## Seeds

The top two seeds received a bye into the second round.
* Anastasia Myskina (final)
* Anna-Lena Grönefeld (semifinals)
* Anna Chakvetadze (first round)
* Shahar Pe'er (champion)
* Sania Mirza (second round)
* Catalina Castaño (quarterfinals)
* Mara Santangelo (quarterfinals)
* Jelena Kostanić (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Anastasia Myskina | 6 | 7$^7$ | | | | | |
| | Michaëlla Krajicek | 2 | 6$^5$ | | | | | |
| | Michaëlla Krajicek | 2 | 6$^5$ | 1 | Anastasia Myskina | 6 | 3 | 6$^3$ |
| | | | | 4 | Shahar Pe'er | 1 | 6 | 7$^7$ |
| 4 | Shahar Pe'er | 6 | 6 | 4 | Shahar Pe'er | 1 | 6 | 7$^7$ |
| 2 | Anna-Lena Grönefeld | 0 | 2 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | A Myskina | 6 | 6 | | | | | | | | | |
| | T Pironkova | 7$^7$ | 3 | 6 | | T Pironkova | 4 | 2 | | | | | | | | | |
| | M Díaz Oliva | 6$^3$ | 6 | 3 | | | | | | 1 | A Myskina | 6 | 7$^7$ | | | | |
| Q | T Paszek | 5 | 6 | 6 | | | | | | 6 | C Castaño | 4 | 6$^3$ | | | | |
| WC | A Molik | 7 | 4 | 4 | Q | T Paszek | 6 | 3 | 4 | | | | | | | | |
| | A Bondarenko | 3 | 3 | | 6 | C Castaño | 3 | 6 | 6 | | | | | | | | |
| 6 | C Castaño | 6 | 6 | | | | | | | | | | | 1 | A Myskina | 6 | 7$^7$ |
| 3 | A Chakvetadze | 6 | 4 | 0 | | | | | | | | | | | M Krajicek | 2 | 6$^5$ |
| | M Shaughnessy | 1 | 6 | 6 | | M Shaughnessy | 6 | 3 | 0 | | | | | | | | |
| Q | A Widjaja | 2 | 1 | | | A Yakimova | 2 | 6 | 6 | | | | | | | | |
| | A Yakimova | 6 | 6 | | | | | | | | A Yakimova | 1 | 0 | | | | |
| | M Krajicek | 6 | 4 | | | | | | | | M Krajicek | 6 | 6 | | | | |
| WC | I Kotkina | 0 | 0$^r$ | | | M Krajicek | 4 | 6 | 6 | | | | | | | | |
| WC | İ Şenoğlu | 3 | 1 | | 5 | S Mirza | 6 | 1 | 2 | | | | | | | | |
| 5 | S Mirza | 6 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | M Santangelo | 6 | | | | | | | | | | | | | | |
| | M Czink | 1$^r$ | | | 7 | M Santangelo | 6 | 6 | | | | | | | | |
| | D Cibulková | 6$^4$ | 6 | 6 | | D Cibulková | 1 | 4 | | | | | | | | |
| | A Harkleroad | 7$^7$ | 3 | 0 | | | | | 7 | M Santangelo | 1 | 2 | | | | |
| Q | U Radwańska | 6 | 7 | | | | | | 4 | S Pe'er | 6 | 6 | | | | |
| | ME Camerin | 4 | 5 | | Q | U Radwańska | 3 | 0 | | | | | | | | |
| | J Jackson | 2 | 1 | | 4 | S Pe'er | 6 | 6 | | | | | | | | |
| 4 | S Pe'er | 6 | 6 | | | | | | | | | | 4 | S Pe'er | 6 | 6 |
| 8 | J Kostanić | 2 | 6$^3$ | | | | | | | | | | 2 | A-L Grönefeld | 0 | 2 |
| | K Šprem | 6 | 7$^7$ | | | K Šprem | 6 | 6 | | | | | | | | |
| Q | M Rybáriková | 6$^9$ | 7$^7$ | 3 | | M Washington | 4 | 1 | | | | | | | | |
| | M Washington | 7$^{11}$ | 6$^5$ | 6 | | | | | | K Šprem | 4 | 4 | | | | |
| | E Gagliardi | 6 | 2 | | | | | | 2 | A-L Grönefeld | 6 | 6 | | | | |
| | E Daniilidou | 1 | 0$^r$ | | | E Gagliardi | 6$^3$ | 2 | | | | | | | | |
| | | | | | 2 | A-L Grönefeld | 7$^7$ | 6 | | | | | | | | |