Semifinalist teams in doubles are set at the TEB BNP Paribas Istanbul Open.

Day four action in doubles started with the encounter between Marcus Daniell/Artem Sitak and Carlos Berlocq/Teymuraz Gabashvili on Court 1. New Zealanders Daniell/Sitak, who knocked out Altuna/Marcan in the first round, had a strong serving performance as they won %76 of total serve points to close out the match 6-4, 6-3.

Following Andres Molteni/Diego Schwartzman, another Argentine pair also reached the semifinals. 3rd seeds Guillermo Duran/Maximo Gonzalez defeated Czech partners Jiri Vesely/Roman Jebavy 2-6, 6-2, 10/8 to complete the last four line up.

Gonzalez/Duran will next take on Flavio Cipolla/Dudi Sela, who went through as top seeds Dominic Inglot/Robert Lindstedt withdrew. On the other side Daniell/Sitak will play Molteni/Schwartzman for a place in the TEB BNP Paribas Istanbul Open final.