2017 Città di Caltanissetta

The 2017 Città di Caltanissetta was a professional tennis tournament played on clay courts. It was the 19th edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Caltanissetta, Italy between 12 and 18 June 2017.

Seeds

 * 1 Rankings are as of 29 May 2017.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇮🇹 Simone Bolelli
 * 🇷🇸 Dušan Lajović
 * 🇮🇹 Paolo Lorenzi
 * 🇮🇹 Gianluca Mager

The following players received entry from the qualifying draw:
 * 🇮🇹 Matteo Berrettini
 * 🇦🇹 Sebastian Ofner
 * 🇧🇷 João Pedro Sorgi
 * 🇩🇪 Cedrik-Marcel Stebe

Singles

 * 🇮🇹 Paolo Lorenzi def. 🇮🇹 Alessandro Giannessi 6–4, 6–2.

Doubles

 * 🇺🇸 James Cerretani / 🇺🇸 Max Schnur def. 🇺🇦 Denys Molchanov / Franko Škugor 6–3, 3–6, [10–6].