The 2007 İstanbul Cup was a tennis tournament played on indoor carpet courts. It was the third edition of the İstanbul Cup, and was part of the WTA Tier III tournaments of the 2007 WTA Tour. It was held in Istanbul from 21 through 26 May 2007.
| Event | W | F | SF | QF | Round of 16 | Round of 32 | width=85 | Q3 | width=85 | Q2 | width=85 | Q1 |
| Singles | 140 | 100 | 65 | 35 | 20 | 1 | 5 | 3 | 1 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubles | 1 |
| Event | W | F | SF | QF | Round of 16 | Round of 32 | width=85 | Q3 | width=85 | Q2 | width=85 | Q1 |
| Singles | $28,180 | $15,190 | $8,170 | $4,385 | $2,360 | $1,270 | $680 | $370 | $195 | |||
| Doubles * | $8,460 | $4,530 | $2,425 | $1,300 | $700 |
| Country | Player | Rank | Seed | |
|---|---|---|---|---|
 Russian Federation | Maria Sharapova | 2 | 1 | |
| Russian Federation | Elena Dementieva | 13 | 2 | |
| Patty Schnyder | 17 | 3 | ||
| Venus Williams | 22 | 4 | ||
 Ukraine | Alona Bondarenko | 28 | 5 | |
| Anna-Lena Grönefeld | 40 | 6 | ||
 Poland | Agnieszka Radwańska | 46 | 7 | |
 India | Sania Mirza | 51 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Aravane Rezaï (left knee injury)| Country | Player | Country | Player | Rank | Seed | |
|---|---|---|---|---|---|---|
| Chan Yung-jan | India | Sania Mirza | 59 | 1 | ||
| Vania King | Jelena Kostanić Tošić | 71 | 2 | |||
| Ukraine | Alona Bondarenko | Ukraine | Kateryna Bondarenko | 119 | 3 | |
| Anna-Lena Grönefeld |  Turkey | İpek Şenoğlu | 196 | 4 |
The following pairs received wildcards into the doubles main draw:
Vania King (low back strain)
Catalina Castaño (left thigh strain)See main article: 2007 İstanbul Cup – Singles. Elena Dementieva def. Aravane Rezaï, 7–6(7–5), 3–0 ret.
See main article: 2007 İstanbul Cup – Doubles. Agnieszka Radwańska / Urszula Radwańska def. Yung-Jan Chan / Sania Mirza, 6–1, 6–3
