The 2012 The Hague Open was a professional tennis tournament played on clay courts. It was the 20th edition of the tournament which was part of the 2012 ATP Challenger Tour and the Tretorn SERIE+. It took place in Scheveningen, Netherlands between 9 and 15 July 2012.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Poland | Jerzy Janowicz | 136 | 1 | |
 Russian Federation | Teymuraz Gabashvili | 147 | 2 | |
 France | Augustin Gensse | 150 | 3 | |
 Spain | Iñigo Cervantes Huegun | 152 | 4 | |
 Argentina | Martín Alund | 158 | 5 | |
| France | Kenny de Schepper | 160 | 6 | |
| Argentina | Máximo González | 170 | 7 | |
 Czech Republic | Jan Mertl | 174 | 8 |
The following players received wildcards into the singles main draw:
Kimmer CoppejansThe following players received entry from the qualifying draw:
See main article: 2012 The Hague Open – Singles.
Jerzy Janowicz def. Matwé Middelkoop, 6–2, 6–2See main article: 2012 The Hague Open – Doubles.
Rameez Junaid / Simon Stadler, 6–4, 5–7, [10–7]
