Divij Sharan @ Challenger Istanbul

Cem Ilkel Radu Albot James Duckworth Martin Klizan Botic Van De Zandschulp Thomas Fabbiano Ilya Ivashka Sebastian Ofner Ramkumar Ramanathan Daniel Elahi Galan Mohamed Safwat Marc Sieber Alex Molcan Marc-Andrea Huesler Nino Serdarusic Alexey Vatutin Norbert Gombos Yasutaka Uchiyama Andrea Arnaboldi Tobias Simon Michal Konecny Roman Safiullin Blaz Kavcic Kelsey Stevenson Uladzimir Ignatik Michael Geerts Jaume Munar Viktor Durasovic Go Soeda Fernando Verdasco Elias Ymer Robin Haase Ernesto Escobedo Goncalo Oliveira Seong Chan Hong Danilo Petrovic Gijs Brouwer Jurij Rodionov Vitaly Kozyukov Taro Daniel Riccardo Bonadio Sergiy Stakhovsky Andrey Kuznetsov Zhe Li Vullnet Tashi Frederico Ferreira Silva Jose Fco. Vidal Azorin Mikhail Kukushkin Jiri Vesely Sergey Betov