2015 Open Castilla y León

The 2015 Open Castilla y León was a professional tennis tournament played on hard courts. It was the 30th edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Segovia, Spain between 3 and 9 August 2015.

Seeds

 * 1 Rankings are as of July 28, 2015.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇪🇸 Francisco Blanco Paris
 * 🇰🇷 Chung Yun-seong
 * 🇪🇸 Marcel Granollers
 * 🇪🇸 Jorge Ruano

The following player entered using a protected ranking:
 * Marco Chiudinelli

The following players received entry from the qualifying draw:
 * 🇫🇷 Sébastien Boltz
 * 🇧🇾 Egor Gerasimov
 * Nikola Mektić
 * 🇪🇸 Georgi Rumenov

The following players received entry by a lucky loser spot:
 * 🇮🇹 Riccardo Ghedin
 * 🇪🇸 Roberto Ortega-Olmedo

Singles

 * 🇷🇺 Evgeny Donskoy def. Marco Chiudinelli 7–6(7–2), 6–3

Doubles

 * 🇷🇺 Alexander Kudryavtsev / 🇺🇦 Denys Molchanov def. 🇧🇾 Aliaksandr Bury / 🇸🇪 Andreas Siljeström 6–2, 6–4