2012 Samsung Securities Cup – Women's singles
# 2012 Samsung Securities Cup – Women's singles

Hsieh Su-wei was the defending champion but decided not to participate.

Erika Sema won the tournament, defeating Mai Minokoshi in the final, 6–1, 7–5.

## Seeds

* Donna Vekić (quarterfinals)
* Erika Sema (champion)
* Han Sung-hee (quarterfinals)
* Venise Chan (quarterfinals)
* Mai Minokoshi (final)
* Nigina Abduraimova (first round)
* Chiaki Okadaue (first round)
* Lee So-ra (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 |
| - | - | - | - | - | - | - | - | - |
| | Zhang Yuxuan | 5 | 6 | 3 | | | | |
| 5 | Mai Minokoshi | 7 | 1 | 6 | | | | |
| 5 | Mai Minokoshi | 7 | 1 | 6 | 5 | Mai Minokoshi | 1 | 5 |
| | | | | | 2 | Erika Sema | 6 | 7 |
| Q | Kim Na-ri | 0 | $6^3$ | | 2 | Erika Sema | 6 | 7 |
| 2 | Erika Sema | 6 | $7^7$ | | | | | |

### 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 | Semifinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | D Vekić | 6 | 6 | | | | | | | | | | | | | | | | |
| | H-h Hong | 1 | 2 | | 1 | D Vekić | 6 | 6 | | | | | | | | | | | |
| Q | TPĐ Huỳnh | 1 | 6 | 4 | | M Inoue | 2 | 2 | | | | | | | | | | | |
| | M Inoue | 6 | 1 | 6 | | | | | | 1 | D Vekić | 6 | 5 | 3 | | | | | |
| | N Wannasuk | $6^5$ | 3 | | | | | | | | Y Zhang | 0 | 7 | 6 | | | | | |
| WC | N-l Han | $7^7$ | 6 | | WC | N-l Han | 5 | 1 | | | | | | | | | | | |
| | Y Zhang | 6 | 6 | | | Y Zhang | 7 | 6 | | | | | | | | | | | |
| 7 | C Okadaue | 3 | 0 | | | | | | | | | | | | | Y Zhang | 5 | 6 | 3 |
| 4 | V Chan | 7 | 5 | 6 | | | | | | | | | | | 5 | M Minokoshi | 7 | 1 | 6 |
| Q | Varu Wongteanchai | 5 | 7 | 4 | 4 | V Chan | 6 | 3 | 6 | | | | | | | | | | |
| | Y-r Lee | 3 | 4 | | | J-y Kim | 4 | 6 | 4 | | | | | | | | | | |
| | J-y Kim | 6 | 6 | | | | | | | 4 | V Chan | 4 | 0 | | | | | | |
| Q | J-h Choi | 3 | 6 | 6 | | | | | | 5 | M Minokoshi | 6 | 6 | | | | | | |
| | S-j Kim | 6 | 3 | 4 | Q | J-h Choi | 6 | 2 | 3 | | | | | | | | | | |
| Q | Y-r Lee | 1 | 0 | | 5 | M Minokoshi | 3 | 6 | 6 | | | | | | | | | | |
| 5 | M Minokoshi | 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 |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 8 | S-r Lee | $6^4$ | $6^4$ | | | | | | | | | | | | | | |
| Q | N-r Kim | $7^7$ | $7^7$ | | Q | N-r Kim | 1 | 6 | 6 | | | | | | | | |
| | Y Miyazaki | 4 | 6 | 6 | | Y Miyazaki | 6 | 3 | 3 | | | | | | | | |
| Q | N Sankaew | 6 | 1 | 2 | | | | | | Q | N-r Kim | 6 | 6 | | | | |
| Q | H-s Kim | 2 | 6 | 6 | | | | | | 3 | S-h Han | 3 | 4 | | | | |
| | S-j Jang | 6 | 4 | 3 | Q | H-s Kim | 4 | 2 | | | | | | | | | |
| | M-h Yu | 5 | 1 | | 3 | S-h Han | 6 | 6 | | | | | | | | | |
| 3 | S-h Han | 7 | 6 | | | | | | | | | | | Q | N-r Kim | 0 | $6^3$ |
| 6 | N Abduraimova | 4 | 0 | | | | | | | | | | | 2 | E Sema | 6 | $7^7$ |
| | J-e Kim | 6 | 6 | | | J-e Kim | 3 | 4 | | | | | | | | | |
| Q | H-j Yea | 1 | 1 | | WC | S-k Kang | 6 | 6 | | | | | | | | | |
| WC | S-k Kang | 6 | 6 | | | | | | | WC | S-k Kang | 4 | 5 | | | | |
| WC | J-a Lee | 6 | 3 | 6 | | | | | | 2 | E Sema | 6 | 7 | | | | |
| | M Yoo | 1 | 6 | 4 | WC | J-a Lee | 5 | 1 | | | | | | | | | |
| WC | A Song | 1 | 0 | | 2 | E Sema | 7 | 6 | | | | | | | | | |
| 2 | E Sema | 6 | 6 | | | | | | | | | | | | | | |
