# 2012 The Hague Open – Singles

Steve Darcis was the defending champion but decided not to participate in The Hague Open - Singles.
Jerzy Janowicz won the title, defeating Matwé Middelkoop 6–2, 6–2 in the final.

## Seeds

* Jerzy Janowicz (champion)
* Teymuraz Gabashvili (first round)
* Augustin Gensse (first round)
* Iñigo Cervantes Huegun (quarterfinals)
* Martín Alund (second round)
* Kenny de Schepper (second round)
* Máximo González (first round)
* Jan Mertl (second round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Jerzy Janowicz | 6 | 6 | | | | | |
| | Peter Torebko | 2 | 2 | | | | | |
| | Peter Torebko | 2 | 2 | | 1 | Jerzy Janowicz | 6 | 6 |
| | | | | | WC | Matwé Middelkoop | 2 | 2 |
| WC | Matwé Middelkoop | 3 | 6 | 6 | WC | Matwé Middelkoop | 2 | 2 |
| | Diego Junqueira | 6 | 3 | 2 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | J Janowicz | 4 | 6 | 6 | | | | | | | | | | | | | | |
| | J Huta Galung | 6 | 3 | 3 | 1 | J Janowicz | 6 | 6 | | | | | | | | | | |
| | Laurent Rochette | 3 | 4 | | | B Westerhof | 4 | 3 | | | | | | | | | | |
| | B Westerhof | 6 | 6 | | | | | | | 1 | J Janowicz | 6 | 7$^7$ | | | | | |
| | Y Mertens | 6 | 6 | | | | | | | | Y Mertens | 2 | 6$^4$ | | | | | |
| | D Meffert | 2 | 2 | | | Y Mertens | 6 | 6$^5$ | 6 | | | | | | | | | |
| | V Millot | 3 | 3 | | 8 | J Mertl | 3 | 7$^7$ | 1 | | | | | | | | | |
| 8 | J Mertl | 6 | 6 | | | | | | | | | | | | 1 | J Janowicz | 6 | 6 |
| 4 | I Cervantes Huegun | 5 | 7 | 6 | | | | | | | | | | | | P Torebko | 2 | 2 |
| | N Devilder | 7 | 5 | 3 | 4 | I Cervantes Huegun | 6 | 6 | | | | | | | | | | |
| WC | Mark de Jong | 4 | 2 | | WC | K Coppejans | 1 | 4 | | | | | | | | | | |
| WC | K Coppejans | 6 | 6 | | | | | | | 4 | I Cervantes Huegun | 3 | 6 | 6$^7$ | | | | |
| | K Kravchuk | 4 | 5 | | | | | | | | P Torebko | 6 | 4 | 7$^9$ | | | | |
| | P Torebko | 6 | 7 | | | P Torebko | 6 | 4 | 6 | | | | | | | | | |
| | S Robert | 7$^7$ | 6 | | | S Robert | 4 | 6 | 2 | | | | | | | | | |
| 7 | M González | 6$^5$ | 3 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | K de Schepper | 6 | 6$^4$ | 6 | | | | | | | | | | | | | | |
| Q | A Sidorenko | 3 | 7$^7$ | 1 | 6 | K de Schepper | 2 | 4 | | | | | | | | | | |
| | A Balázs | 6 | 2 | 3 | WC | T de Bakker | 6 | 6 | | | | | | | | | | |
| WC | T de Bakker | 4 | 6 | 6 | | | | | | WC | T de Bakker | 4 | 4 | | | | | |
| | P Oswald | 2 | 6$^4$ | | | | | | | WC | M Middelkoop | 6 | 6 | | | | | |
| | T Schoorel | 6 | 7$^7$ | | | T Schoorel | 4 | 6$^5$ | | | | | | | | | | |
| WC | M Middelkoop | 6 | 7 | | WC | M Middelkoop | 6 | 7$^7$ | | | | | | | | | | |
| 3 | A Gensse | 0 | 5 | | | | | | | | | | | WC | M Middelkoop | 3 | 6 | 6 |
| 5 | M Alund | 6 | 2 | 7$^7$ | | | | | | | | | | | D Junqueira | 6 | 3 | 2 |
| Q | T Monteiro | 2 | 6 | 6$^5$ | 5 | M Alund | 3 | 3 | | | | | | | | | | |
| | D Junqueira | 6 | 6 | | | D Junqueira | 6 | 6 | | | | | | | | | | |
| | R Albot | 2 | 4 | | | | | | | | D Junqueira | 7$^7$ | 2 | | | | | |
| Q | Y Schukin | 6 | 7$^7$ | | | | | | | Q | Y Schukin | 6$^2$ | 1$^r$ | | | | | |
| Q | R Junaid | 2 | 6$^3$ | | Q | Y Schukin | 6 | 6 | 6 | | | | | | | | | |
| | T Nieminen | 6 | 6 | | | T Nieminen | 7 | 1 | 3 | | | | | | | | | |
| 2 | T Gabashvili | 4 | 1 | | | | | | | | | | | | | | | |