Frederico Ferreira Silva @ Challenger Istanbul

Cem Ilkel Radu Albot James Duckworth Botic Van De Zandschulp Thomas Fabbiano Ilya Ivashka Sebastian Ofner Ramkumar Ramanathan Martin Klizan Daniel Elahi Galan Nino Serdarusic Mohamed Safwat Marc Sieber Marc-Andrea Huesler Alexey Vatutin Norbert Gombos Yasutaka Uchiyama Alex Molcan Andrea Arnaboldi Tobias Simon Michal Konecny Roman Safiullin Blaz Kavcic Michael Geerts Kelsey Stevenson Uladzimir Ignatik 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