Singles
2005 İstanbul Cup
Champion	Venus Williams
Runner-up	Nicole Vaidišová
Score	6–3, 6–2
Draw	30
Seeds	8

This was the first time a WTA level was held in Istanbul.Top seed Venus Williams won the title, defeating Nicole Vaidišová in the final, 6–3, 6–2.

Seeds

The top two seeds received a bye into the second round.

Draw

Finals

	Semifinals							Final
	1	Venus Williams	6	6
	Q	Tsvetana Pironkova	1	3
								1	Venus Williams	6	6
								2	Nicole Vaidišová	3	2
	3	Anna Smashnova	6	1	0
	2	Nicole Vaidišová	4	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	V Williams	6	6
		M Marrero	6	6					M Marrero	0	0
		S Hisamatsu	0	2											1	V Williams	6	6
		T Panova	6	5	6										7	A Chakvetadze	2	1
		J Craybas	4	7	4				T Panova	7	4	1
		An Serra Zanetti	5	2				7	A Chakvetadze	5	6	6
	7	A Chakvetadze	7	6																		1	V Williams	6	6
	4	L Raymond	1	2																		Q	T Pironkova	1	3
		A Morigami	6	6					A Morgami	6	4	2
	LL	K Bondarenko	2	2					S Pe'er	3	6	6
		S Pe'er	6	6												S Pe'er	3	64
		M Irvin	6	2	5										Q	T Pironkova	6	77
		Y Fedak	4	6	7				Y Fedak	6	4	4
	Q	T Pironkova	6	7				Q	T Pironkova	3	6	6
	6	M Shaughnessy	3	5

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	M Washington	6	2	7
		A Bondarenko	4	6	5			8	M Washington	7	6
	Q	E Vesnina	6	6				Q	E Vesnina	5	1
	WC	Ç Büyükakçay	1	2											8	M Washington	3	1
		J Hopkins	4	6	6										3	A Smashnova	6	6
		M Matevžič	6	0	1				J Hopkins	1	0
		C Castaño	3	6	2			3	A Smashnova	6	6
	3	A Smashnova	6	2	6																	3	A Smashnova	6	1	0
	5	A-L Grönefeld	6	7																		2	N Vaidišová	4	6	6
		M Díaz Oliva	3	5				5	A-L Grönefeld	6	6
	Q	L Stančiūtė	4	77	3				E Gagliardi	3	2
		E Gagliardi	6	65	6										5	A-L Grönefeld	5	66
	WC	P Özgen	3	0											2	N Vaidišová	7	78
	Q	I Abramović	6	6				Q	I Abramović	2	3
								2	N Vaidišová	6	6

External links

• WTA tournament draws
• ITF tournament edition details