| Doubles | |
|---|---|
| 2015 Città di Caltanissetta | |
| Champions |  Guido Andreozzi Guillermo Durán |
| Runners-up |  Lee Hsin-han  Alessandro Motti |
| Final score | 6–3, 6–2 |
Daniele Bracciali and Potito Starace were the defending champions, but they decided not to participate this year.
Guido Andreozzi and Guillermo Durán won the title, defeating Lee Hsin-han and Alessandro Motti in the final, 6–3, 6–2.
Gero Kretschmer / Alexander Satschko (first round) Guido Andreozzi / Guillermo Durán (champions)
Costin Pavăl / Adrian Ungur (semifinals) Lee Hsin-han / Alessandro Motti (final)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | G Kretschmer A Satschko | 6 | 6 | [10] | |||||||||||||||||||||||
M González  J Huta Galung | 7 | 4 | [12] | M González J Huta Galung | 3 | 6 | [10] | ||||||||||||||||||||
 G Elias  C Ramírez | 3 | 4 | WC | G Quinzi S Travaglia | 6 | 3 | [5] | ||||||||||||||||||||
| WC | G Quinzi S Travaglia | 6 | 6 | M González J Huta Galung | 4 | 6 | [5] | ||||||||||||||||||||
| 4 | H-h Lee A Motti | 6 | 6 | 4 | H-h Lee A Motti | 6 | 3 | [10] | |||||||||||||||||||
| PR |  J Cerretani  A Hubble | 2 | 4 | 4 | H-h Lee A Motti | 6 | 79 | ||||||||||||||||||||
| M Cecchinato R Marcora | 1 | 3 |  N Barrientos A González | 2 | 67 | ||||||||||||||||||||||
| N Barrientos A González | 6 | 6 | 4 | H-h Lee A Motti | 3 | 2 | |||||||||||||||||||||
| WC | A di Mauro Nicolò Schilirò | 3 | 2 | 2 | G Andreozzi G Durán | 6 | 6 | ||||||||||||||||||||
| H-y Peng T-h Yang | 6 | 6 | H-y Peng T-h Yang | 5 | 65 | ||||||||||||||||||||||
 A Siljeström E Ymer | 3 | 66 | 3 | C Pavăl A Ungur | 7 | 77 | |||||||||||||||||||||
| 3 | C Pavăl A Ungur | 6 | 78 | 3 | C Pavăl A Ungur | 4 | 6 | [5] | |||||||||||||||||||
 R Carballés Baena  G Clezar | 3 | 6 | [10] | 2 | G Andreozzi G Durán | 6 | 0 | [10] | |||||||||||||||||||
 S Galdós D Novikov | 6 | 2 | [7] | R Carballés Baena G Clezar | 1 | 3 | |||||||||||||||||||||
| WC | S Caruso F Gaio | 6 | 65 | [5] | 2 | G Andreozzi G Durán | 6 | 6 | |||||||||||||||||||
| 2 | G Andreozzi G Durán | 2 | 77 | [10] | |||||||||||||||||||||||
Stefano Ianni and Luca Vanni were the defending champions but decided not to participate.
Martin Fischer and Philipp Oswald won the title, defeating Marco Cecchinato and Alessio di Mauro 6–3, 6–2 in the final.
Iñigo Cervantes Huegun and Juan Lizariturry became the inaugural doubles champions, beating Lee Hsin-han and Vahid Mirzadeh 7–5, 3–6, [10–8]
Guido Andreozzi and Máximo González were the defending champions, but they chose not to compete together. Andreozzi chose to partner with Guillermo Durán, but lost in the quarterfinals to Rafael Matos and Marcelo Zormann. González chose not to compete.
Guillermo Durán and Máximo González were the defending champions, but González chose to participate at Shenzhen instead. Durán partnered with Guido Andreozzi and won the title by defeating Facundo Bagnis and Diego Schwartzman 6–3, 6–3 in the final.
Guillermo Durán and Máximo González were the defending champions, but González chose not to play this year. Guillermo Durán played alongside Andrés Molteni and lost in the first round to Guido Andreozzi and Guido Pella.
The 2015 Città di Caltanissetta was a professional tennis tournament played on clay courts. It was the 17th edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Caltanissetta, Italy between 8 and 14 June 2015.
Íñigo Cervantes and Juan Lizariturry were the defending champions, but they did not participate this year.
Guido Andreozzi and Facundo Argüello are the defending champions, but chose not to participate. Gero Kretschmer and Alexander Satschko won the title, defeating Kenny de Schepper and Maxime Teixeira 7–6(7–3), 6–4.
Guido Andreozzi and Guillermo Durán are the defending champions, but only Guido Andreozzi is playing in this year's edition.
Julio Peralta and Horacio Zeballos won the title, defeating Guido Andreozzi and Lukas Arnold Ker in the final 6–2, 7–5.
Guillermo Durán and Andrés Molteni were the defending champions but only Molteni chose to defend his title, partnering Guido Andreozzi. Molteni lost in the first round to Franco Agamenone and Federico Zeballos.
Julio Peralta and Horacio Zeballos were the defending champions but chose not to defend their title.
James Cerretani and Philipp Oswald were the defending champions, but Cerretani chose to compete in Sofia instead. Oswald played alongside Treat Huey, but lost in the first round to Alessandro Motti and Stefano Travaglia.
Marcelo Tomás Barrios Vera and Nicolás Jarry were the defending champions but only Barrios Vera chose to defend his title, partnering José Hernández-Fernández. Barrios Vera lost in the semifinals to Romain Arneodo and Jonathan Eysseric.
Guido Andreozzi and Jaume Munar were the defending champions but only Andreozzi chose to defend his title, partnering Ariel Behar. Andreozzi lost in the first round to Roberto Maytín and Nathan Pasha.
Miguel Ángel Reyes-Varela and Blaž Rola were the defending champions but chose not to defend their title.
Romain Arneodo and Fernando Romboli were the defending champions but only Romboli chose to defend his title, partnering Fabrício Neis. Romboli lost in the first round to Sergio Galdós and Federico Zeballos.
Ariel Behar and Fabiano de Paula were the defending champions but chose not to defend their title.
Facundo Bagnis and Ariel Behar were the defending champions but only Bagnis chose to defend his title, partnering Franco Agamenone. Bagnis lost in the first round to Sander Gillé and Joran Vliegen.
Marcelo Arévalo and Miguel Ángel Reyes-Varela were the defending champions but chose not to defend their title.