2018 İstanbul Cup – Doubles

Dalila Jakupović and Nadiia Kichenok were the defending champions,^[1] but Kichenok chose to compete in Stuttgart instead. Jakupović played alongside Irina Khromacheva, but lost in the first round to Natela Dzalamidze and Anna Kalinskaya.

Doubles
2018 İstanbul Cup
Champions	Liang Chen Zhang Shuai
Runners-up	Xenia Knoll Anna Smith
Score	6–4, 6–4

Main article: 2018 İstanbul Cup

Liang Chen and Zhang Shuai won the title, defeating Xenia Knoll and Anna Smith in the final, 6–4, 6–4.

Seeds

1. Kateryna Bondarenko / Aleksandra Krunić (quarterfinals, withdrew)
2. Bibiane Schoofs / Renata Voráčová (first round)
3. Xenia Knoll / Anna Smith (final)
4. Dalila Jakupović / Irina Khromacheva (first round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Draw

	First round							Quarterfinals							Semifinals							Final
	1	K Bondarenko A Krunić	6	6
		D Krawczyk G Olmos	3	3				1	K Bondarenko A Krunić
		D Jurak J Moore	3	79	[5]				M Irigoyen E Perez	w/o
		M Irigoyen E Perez	6	67	[10]											M Irigoyen E Perez	5	3
	3	X Knoll A Smith	6	4	[10]										3	X Knoll A Smith	7	6
		R Olaru Y Sizikova	2	6	[7]			3	X Knoll A Smith	6	6
		A Sabalenka M Sakkari	6	63	[10]				N Geuer P Hon	2	2
		N Geuer P Hon	3	77	[12]																	3	X Knoll A Smith	4	4
		O Kalashnikova G Voskoboeva	6	4	[11]																		C Liang S Zhang	6	6
	WC	İ Öz M Sezer	3	6	[9]				O Kalashnikova G Voskoboeva	4	3
		N Dzalamidze A Kalinskaya	3	6	[10]				N Dzalamidze A Kalinskaya	6	6
	4	D Jakupović I Khromacheva	6	3	[7]											N Dzalamidze A Kalinskaya	3	1
		RL Jani E Kostova	3	62												C Liang S Zhang	6	6
		C Liang S Zhang	6	77					C Liang S Zhang	6	6
	WC	A Aksu H Dart	6	1	[10]			WC	A Aksu H Dart	2	2
	2	B Schoofs R Voráčová	2	6	[7]