# 2012 Samsung Securities Cup – Men's singles

Lu Yen-hsun successfully defended his title by defeating Yūichi Sugita 6–3, 7–6$^{(7–4)}$ in the final.

## Seeds

* Lu Yen-hsun (champion)
* Tatsuma Ito (second round)
* Dmitry Tursunov (first round)
* Malek Jaziri (second round)
* Kenny de Schepper (quarterfinals)
* Yūichi Sugita (final)
* Jimmy Wang (semifinals)
* Uladzimir Ignatik (quarterfinals)

## 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 | Final | Final | Final | Final |
| 1 | Lu Yen-hsun | 7$^{12}$ | 6 | | | | |
| | Danai Udomchoke | 6$^{10}$ | 3 | | | | |
| | Danai Udomchoke | 6$^{10}$ | 3 | 1 | Lu Yen-hsun | 6 | 7$^7$ |
| | | | | 6 | Yūichi Sugita | 3 | 6$^4$ |
| 7 | Jimmy Wang | 0 | 3 | 6 | Yūichi Sugita | 3 | 6$^4$ |
| 6 | Yūichi Sugita | 6 | 6 | | | | |

### 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 | | | | | | | | | | | | | | | |
| | T Fabbiano | 1 | 2 | | 1 | Y-h Lu | 5 | 6 | 6 | | | | | | | | | |
| | M Przysiężny | 6 | 3 | 5 | Q | M Middelkoop | 7 | 3 | 2 | | | | | | | | | |
| Q | M Middelkoop | 3 | 6 | 7 | | | | | | 1 | Y-h Lu | 6 | 6 | | | | | |
| | T-h Yang | 4 | 6 | 4 | | | | | | 8 | U Ignatik | 1 | 1 | | | | | |
| | S Bubka | 6 | 3 | 6 | | S Bubka | 4 | 2 | | | | | | | | | | |
| | P Gojowczyk | 4 | 2 | | 8 | U Ignatik | 6 | 6 | | | | | | | | | | |
| 8 | U Ignatik | 6 | 6 | | | | | | | | | | | | 1 | Y-h Lu | 7$^{12}$ | 6 |
| 4 | M Jaziri | 1 | 6 | 6 | | | | | | | | | | | | D Udomchoke | 6$^{10}$ | 3 |
| | H Moriya | 6 | 3 | 1 | 4 | M Jaziri | 3 | 4 | | | | | | | | | | |
| | R de Voest | 6 | 6$^3$ | 3 | | D Udomchoke | 6 | 6 | | | | | | | | | | |
| | D Udomchoke | 0 | 7$^7$ | 6 | | | | | | | D Udomchoke | 4 | 6 | 6 | | | | |
| | F Dustov | 2 | 3 | | | | | | | 5 | K de Schepper | 6 | 1 | 4 | | | | |
| | M Yani | 6 | 6 | | | M Yani | 3 | 3 | | | | | | | | | | |
| | O Nedovyesov | 7 | 6$^9$ | 4 | 5 | K de Schepper | 6 | 6 | | | | | | | | | | |
| 5 | K de Schepper | 5 | 7$^{11}$ | 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 |
| 7 | J Wang | 6 | 6 | | | | | | | | | | | | | | | |
| | A Weintraub | 3 | 1 | | 7 | J Wang | 6 | 6 | | | | | | | | | | |
| | T Chen | 1 | 0$^r$ | | WC | H-E Chung | 2 | 2 | | | | | | | | | | |
| WC | Chung Hy-Eon | 6 | 1 | | | | | | | 7 | J Wang | 6 | 6 | | | | | |
| WC | Nam Ji-Sung | 6 | 6 | | | | | | | WC | J-S Nam | 3 | 2 | | | | | |
| | A Kudryavtsev | 3 | 2 | | WC | J-S Nam | 1 | | | | | | | | | | | |
| | Y Bhambri | 6 | 7$^7$ | | | Y Bhambri | 0$^r$ | | | | | | | | | | | |
| 3 | D Tursunov | 4 | 6$^5$ | | | | | | | | | | | | 7 | J Wang | 0 | 3 |
| 6 | Y Sugita | 6 | 5 | 6 | | | | | | | | | | | 6 | Y Sugita | 6 | 6 |
| Q | D Sharan | 2 | 7 | 4 | 6 | Y Sugita | 6$^6$ | 6 | 6 | | | | | | | | | |
| | É Chvojka | 5 | 4 | | Q | J-w Na | 7$^8$ | 1 | 2 | | | | | | | | | |
| Q | J-w Na | 7 | 6 | | | | | | | 6 | Y Sugita | 6 | 3 | 6 | | | | |
| Q | Lim Yong-Kyu | 4 | 7$^7$ | 6 | | | | | | Q | Y-K Lim | 0 | 6 | 2 | | | | |
| WC | H-w Nam | 6 | 6$^4$ | 3 | Q | Y-K Lim | 6 | 6 | | | | | | | | | | |
| WC | S-Y Jeong | 6 | 5 | 3 | 2 | T Ito | 0 | 3 | | | | | | | | | | |
| 2 | T Ito | 2 | 7 | 6 | | | | | | | | | | | | | | |