Alona Bondarenko was the defending champion, but she was defeated in the first round by Marion Bartoli.
The Women's Doubles Tournament at the 2006 İstanbul Cup took place between 22 May and 27 May on outdoor clay courts in Istanbul, Turkey.
 Alona Bondarenko and Anastasiya Yakimova won the title, defeating Sania Mirza and Alicia Molik in the final.
Alona Bondarenko and Kateryna Bondarenko were the defending champions, but both chose not to participate.
<br>Timea Bacsinszky and Tathiana Garbin won this year's event after a final victory over Monica Niculescu and Ágnes Szávay 7–5, 7–6(4).
Olivia Rogowska (born 7 June 1991) is an Australian professional tennis player.
 Both of her parents are Polish.
 The right-hander was born in and lives in Melbourne, Australia.
 Her highest WTA singles ranking is 102, which she reached on 11 August 2014.
 Her career high in doubles is 89, which she reached on 28 July 2014.
 She has defeated Jelena Dokić, Alicia Molik, Maria Kirilenko and Sofia Arvidsson, and taken sets from former #1 Dinara Safina, Alona Bondarenko, Kateryna Bondarenko, Sorana Cîrstea, Jarmila Gajdošová, Anastasia Rodionova, Sania Mirza and Casey Dellacqua.
Anna Chakvetadze was the defending champion, but lost in the quarterfinals to Alona Bondarenko.
Alona Volodymyrivna Bondarenko Dyachok (Ukrainian: Альона Володимирівна Бондаренко , born 13 August 1984) is a Ukrainian tennis player.
 She has a younger sister Kateryna Bondarenko who also plays on the Tour.
 She formerly paired with her older sister Valeria in doubles.
Alona Bondarenko and Kateryna Bondarenko were the defending champions but they chose not to compete this year.
Menno Oosting and Libor Pimek were the defending champions but they competed with different partners that year, Oosting with David Adams and Pimek with Peter Nyborg.
Menno Oosting (17 May 1964 – 22 February 1999) was a professional tennis player from the Netherlands, who won seven ATP Tour doubles titles out of 18 finals in his career.
Cara Black and Liezel Huber were the defending champions, but lost in the quarterfinals to Alona Bondarenko and Kateryna Bondarenko.

Question: Alona Bondarenko and Menno Oosting are very different, but share this career in common.
Answer: professional tennis player