# 2011 Samsung Securities Cup – Men's singles

Lu Yen-hsun successfully defended his title by defeating Jimmy Wang 7–5, 6–3 in the final.

## Seeds

* Lu Yen-hsun (champion)
* Grega Žemlja (first round)
* Go Soeda (second round)
* Tatsuma Ito (second round)
* Rik de Voest (quarterfinals)
* Florent Serra (second round)
* Uladzimir Ignatik (second round)
* Michał Przysiężny (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 |
| 1 | Lu Yen-hsun | 6 | 6 | | | | | |
| | Stéphane Bohli | 4 | 1 | | | | | |
| | Stéphane Bohli | 4 | 1 | | 1 | Lu Yen-hsun | 7 | 6 |
| | | | | | | Jimmy Wang | 5 | 3 |
| | Jimmy Wang | 4 | 6 | 6 | | Jimmy Wang | 5 | 3 |
| | Amer Delić | 6 | 3 | 4 | | | | |

### 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 | Y-h Lu | 6 | 6 | | | | | | | | | | | | | | | |
| Q | D Martin | 3 | 2 | | 1 | Y-h Lu | 7$^7$ | 2 | 6 | | | | | | | | | |
| | Y Sugita | 6 | 6 | | | Y Sugita | 6$^3$ | 6 | 3 | | | | | | | | | |
| | K Kim | 1 | 3 | | | | | | | 1 | Y-h Lu | 6 | 4 | 6 | | | | |
| Q | T Matsui | 6 | 6 | | | | | | | 5 | R de Voest | 4 | 6 | 2 | | | | |
| | Y-j Kim | 4 | 0 | | Q | T Matsui | 4 | 3 | | | | | | | | | | |
| Q | J-w Na | 4 | 6$^5$ | | 5 | R de Voest | 6 | 6 | | | | | | | | | | |
| 5 | R de Voest | 6 | 7$^7$ | | | | | | | | | | | | 1 | Y-h Lu | 6 | 6 |
| 3 | G Soeda | 6 | 6 | | | | | | | | | | | | | S Bohli | 4 | 1 |
| | R Borvanov | 1 | 2 | | 3 | G Soeda | 3 | 4 | | | | | | | | | | |
| Q | S-y Jeong | 6 | 1 | 4 | | S Bohli | 6 | 6 | | | | | | | | | | |
| | S Bohli | 4 | 6 | 6 | | | | | | | S Bohli | 5 | 6 | 6 | | | | |
| | M Chiudinelli | 6 | 6 | | | | | | | | M Chiudinelli | 7 | 0 | 2 | | | | |
| | R Klaasen | 3 | 2 | | | M Chiudinelli | 6 | 6 | | | | | | | | | | |
| WC | S-j Cho | 3 | 3 | | 6 | F Serra | 3 | 1 | | | | | | | | | | |
| 6 | F Serra | 6 | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | U Ignatik | 6 | 6 | | | | | | | | | | | | | | |
| | T Chen | 1 | 1 | | 7 | U Ignatik | 6 | 6$^3$ | 6$^7$ | | | | | | | | |
| | P-L Duclos | 4 | 6$^1$ | | | T-h Yang | 3 | 7$^7$ | 7$^9$ | | | | | | | | |
| | T-h Yang | 6 | 7$^7$ | | | | | | | T-h Yang | 7 | 0 | 5 | | | | |
| | D Udomchoke | 2 | 5 | | | | | | | J Wang | 5 | 6 | 7 | | | | |
| | J Wang | 6 | 7 | | | J Wang | 6 | 6 | | | | | | | | | |
| | D Kutrovsky | 7$^7$ | 4 | 3 | 4 | T Ito | 4 | 2 | | | | | | | | | |
| 4 | T Ito | 6$^5$ | 6 | 6 | | | | | | | | | | J Wang | 4 | 6 | 6 |
| 8 | M Przysiężny | 3 | 6$^5$ | | | | | | | | | | | A Delić | 6 | 3 | 4 |
| | A Delić | 6 | 7$^7$ | | | A Delić | 7 | 7$^7$ | | | | | | | | | |
| | H Moriya | 1 | 2 | | | R Ghedin | 5 | 6$^5$ | | | | | | | | | |
| | R Ghedin | 6 | 6 | | | | | | | A Delić | 7 | 6 | | | | | |
| WC | J-s Nam | 2 | 2 | | | | | | | Ho Chung | 5 | 4 | | | | | |
| WC | M-k Song | 6 | 6 | | WC | M-k Song | 1 | 6 | 3 | | | | | | | | |
| | Ho Chung | 6$^9$ | 6 | 6 | | Ho Chung | 6 | 3 | 6 | | | | | | | | |
| 2 | G Žemlja | 7$^{11}$ | 4 | 3 | | | | | | | | | | | | | |