# 2011 The Hague Open – Singles

Denis Gremelmayr was the defending champion but decided not to participate. Steve Darcis won in the final 6–3, 4–6, 6–2 against Marsel İlhan.

## Seeds

* Marsel İlhan (final)
* Steve Darcis (champion)
* Éric Prodon (quarterfinals)
* Marc Gicquel (second round)
* Stéphane Robert (first round)
* Teymuraz Gabashvili (second round)
* Ivo Minář (quarterfinals)
* Julian Reister (first 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 | Final |
| 1 | Marsel İlhan | 1 | 6 | 6 | | | | | |
| | Augustin Gensse | 6 | 3 | 1 | | | | | |
| | Augustin Gensse | 6 | 3 | 1 | 1 | Marsel İlhan | 3 | 6 | 2 |
| | | | | | 2 | Steve Darcis | 6 | 4 | 6 |
| | Dušan Lojda | 1 | 5 | | 2 | Steve Darcis | 6 | 4 | 6 |
| 2 | Steve Darcis | 6 | 7 | | | | | | |

### Top half

| 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 | Semifinals |
| 1 | M İlhan | 6 | 6 | | | | | | | | | | | | | | | |
| | F del Bonis | 3 | 2 | 1 | M İlhan | 6 | 2 | 6 | | | | | | | | | | |
| Q | P-H Herbert | 4 | 2 | | D Muñoz-De La Nava | 1 | 6 | 0 | | | | | | | | | | |
| | D Muñoz-De La Nava | 6 | 6 | | | | | | 1 | M İlhan | 4 | 7$^7$ | 6 | | | | | |
| | J Dasnières de Veigy | 5 | 3 | | | | | | | D Goffin | 6 | 6$^3$ | 4 | | | | | |
| | J Martí | 7 | 6 | | J Martí | 4 | 4 | | | | | | | | | | | |
| | D Goffin | 6 | 7 | | D Goffin | 6 | 6 | | | | | | | | | | | |
| 5 | S Robert | 3 | 6 | | | | | | | | | | | 1 | M İlhan | 1 | 6 | 6 |
| 4 | M Gicquel | 6 | 7$^7$ | | | | | | | | | | | | A Gensse | 6 | 3 | 1 |
| Q | J Paukku | 3 | 6$^3$ | 4 | M Gicquel | 6 | 5 | 2 | | | | | | | | | | |
| | H Heliövaara | 5 | 2 | | A Gensse | 1 | 7 | 6 | | | | | | | | | | |
| | A Gensse | 7 | 6 | | | | | | | A Gensse | 5 | 6 | 7$^7$ | | | | | |
| | J Lemke | 5 | 1 | | | | | | | M Middelkoop | 7 | 0 | 6$^6$ | | | | | |
| | M Middelkoop | 7 | 6 | | M Middelkoop | 1 | 6 | 6 | | | | | | | | | | |
| WC | N van der Meer | 5 | 2 | 6 | T Gabashvili | 6 | 1 | 2 | | | | | | | | | | |
| 6 | T Gabashvili | 7 | 6 | | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | J Reister | 7$^7$ | 4 | 0 | | | | | | | | | | | | | | |
| | Jan-Lennard Struff | 6$^0$ | 6 | 6 | | Jan-Lennard Struff | 4 | 2 | | | | | | | | | | |
| Q | M Rodrigues | 4 | 3 | | | D Lojda | 6 | 6 | | | | | | | | | | |
| | D Lojda | 6 | 6 | | | | | | | | D Lojda | 6 | 6 | | | | | |
| Q | C Ebelthite | 6 | 7$^7$ | | | | | | | 3 | É Prodon | 3 | 3 | | | | | |
| | V Millot | 4 | 6$^5$ | | Q | C Ebelthite | 4 | 4 | | | | | | | | | | |
| | Y Mertens | 3 | 4 | | 3 | É Prodon | 6 | 6 | | | | | | | | | | |
| 3 | É Prodon | 6 | 6 | | | | | | | | | | | | | D Lojda | 1 | 5 |
| 7/WC | I Minář | 6 | 6 | | | | | | | | | | | | 2 | S Darcis | 6 | 7 |
| WC | A van der Duim | 1 | 2 | | 7/WC | I Minář | 6 | 6 | | | | | | | | | | |
| | A Smirnov | 6 | 7 | | | A Smirnov | 3 | 1 | | | | | | | | | | |
| | D Meffert | 4 | 5 | | | | | | | 7/WC | I Minář | 6 | 2 | 5 | | | | |
| | B Phau | 6 | 6 | | | | | | | 2 | S Darcis | 0 | 6 | 7 | | | | |
| WC | Stephan Fransen | 3 | 1 | | | B Phau | 6 | 0 | 3 | | | | | | | | | |
| | J Mertl | 4 | 4 | | 2 | S Darcis | 3 | 6 | 6 | | | | | | | | | |
| 2 | S Darcis | 6 | 6 | | | | | | | | | | | | | | | |