The 2014 Open Castilla y León was a professional tennis tournament played on hard courts. It was the 29th edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Segovia, Spain between 28 July and 3 August 2014.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 France | Adrian Mannarino | 101 | 1 | |
 Russian Federation | Alexander Kudryavtsev | 149 | 2 | |
 Turkey | Marsel İlhan | 152 | 3 | |
| France | Grégoire Burquier | 169 | 4 | |
| Marco Chiudinelli | 173 | 5 | ||
| Russian Federation | Konstantin Kravchuk | 177 | 6 | |
 Serbia | Ilija Bozoljac | 179 | 7 | |
 Spain | Adrián Menéndez Maceiras | 195 | 8 |
The following players received wildcards into the singles main draw:
Alejandro Augusto Bueno Antonio Cembellin Jorge Hernando RuanoThe following players received entry from the qualifying draw:
See main article: 2014 Open Castilla y León – Singles.
Adrian Mannarino def. Adrián Menéndez Maceiras 6–3, 6–0See main article: 2014 Open Castilla y León – Doubles.
Victor Baluda / Alexander Kudryavtsev def. 
Brydan Klein / Nikola Mektić 6–2, 4–6, [10–3]