# 2012 Malaysian Open – Singles

Jelena Dokić was the defending champion, but lost in the second round to compatriot Olivia Rogowska.
Hsieh Su-wei took the title by defeating No.5 seed Petra Martić in the final 2–6, 7–5, 4–1. Martić retired due to fatigue and cramping after playing a three-hour semifinal match earlier in the day.

## Seeds

* Agnieszka Radwańska (quarterfinals, withdrew due to a right elbow injury)
* Jelena Janković (semifinals)
* Peng Shuai (quarterfinals)
* Jarmila Gajdošová (second round)
* Petra Martić (final, retired due to fatigue and cramping)
* Ayumi Morita (quarterfinals, withdrew due to a right shoulder injury)
* Jelena Dokić (second round)
* Anne Keothavong (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 |
| Q | Hsieh Su-wei | 6 | 4 | 6 | | | | | |
| | Eleni Daniilidou | 0 | 6 | 1 | | | | | |
| | Eleni Daniilidou | 0 | 6 | 1 | Q | Hsieh Su-wei | 2 | 7 | 4 |
| | | | | | 5 | Petra Martić | 6 | 5 | 1$^r$ |
| 5 | Petra Martić | 6$^5$ | 7 | 7$^7$ | 5 | Petra Martić | 6 | 5 | 1$^r$ |
| 2/WC | Jelena Janković | 7$^7$ | 5 | 6$^5$ | | | | | |

### 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/WC | A Radwańska | 6 | 6 | | | | | | | | | | | | | | | | |
| | A Amanmuradova | 2 | 4 | | 1/WC | A Radwańska | 6 | 6 | | | | | | | | | | | |
| Q | Ka Plíšková | 6 | 6 | | Q | Ka Plíšková | 4 | 4 | | | | | | | | | | | |
| | K-c Chang | 3 | 2 | | | | | | | 1/WC | A Radwańska | | | | | | | | |
| | C Dellacqua | 6 | 6 | | | | | | | Q | S-w Hsieh | w/o | | | | | | | |
| | B Jovanovski | 0 | 2 | | | C Dellacqua | 1 | 5 | | | | | | | | | | | |
| Q | S-w Hsieh | 6 | 7 | | Q | S-w Hsieh | 6 | 7 | | | | | | | | | | | |
| 8 | A Keothavong | 4 | 5 | | | | | | | | | | | | Q | S-w Hsieh | 6 | 4 | 6 |
| 4/WC | J Gajdošová | 1 | 7$^7$ | 7 | | | | | | | | | | | | E Daniilidou | 0 | 6 | 1 |
| | K Wörle | 6 | 6$^2$ | 5 | 4/WC | J Gajdošová | 4 | 0 | | | | | | | | | | | |
| | E Daniilidou | 6 | 1 | 6 | | E Daniilidou | 6 | 6 | | | | | | | | | | | |
| | S Mirza | 2 | 6 | 4 | | | | | | | E Daniilidou | 6 | 3 | 6 | | | | | |
| | O Rogowska | 6 | 6 | | | | | | | | O Rogowska | 2 | 6 | 2 | | | | | |
| | E Kostova | 4 | 0 | | | O Rogowska | 3 | 6 | 7$^7$ | | | | | | | | | | |
| | K Mladenovic | 3 | 1 | | 7 | J Dokić | 6 | 4 | 6$^2$ | | | | | | | | | | |
| 7 | J Dokić | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | P Martić | 4 | 6 | 7 | | | | | | | | | | | | | | | |
| | E Sema | 6 | 4 | 5 | 5 | P Martić | 6 | 3 | 6 | | | | | | | | | | |
| | K Nara | 6 | 6 | | | K Nara | 2 | 6 | 0 | | | | | | | | | | |
| | N Lertcheewakarn | 4 | 3 | | | | | | | 5 | P Martić | 4 | 7$^7$ | 6 | | | | | |
| Q | Kr Plíšková | 6 | 6 | | | | | | | 3 | S Peng | 6 | 6$^3$ | 4 | | | | | |
| | I Brémond | 0 | 2 | | Q | Kr Plíšková | 6 | 1 | 4 | | | | | | | | | | |
| | Y Meusburger | 1 | 6 | 2 | 3 | S Peng | 2 | 6 | 6 | | | | | | | | | | |
| 3 | S Peng | 6 | 4 | 6 | | | | | | | | | | | 5 | P Martić | 6$^5$ | 7 | 7$^7$ |
| 6 | A Morita | 6 | 6 | | | | | | | | | | | | 2/WC | J Janković | 7$^7$ | 5 | 6$^5$ |
| Q | N Luangnam | 4 | 0 | | 6 | A Morita | 7$^8$ | 6 | | | | | | | | | | | |
| WC | O Puchkova | 6 | 1 | 2 | | M Doi | 6$^6$ | 2 | | | | | | | | | | | |
| | M Doi | 4 | 6 | 6 | | | | | | 6 | A Morita | | | | | | | | |
| | J Craybas | 6 | 1 | 6 | | | | | | 2/WC | J Janković | w/o | | | | | | | |
| | Y Sema | 4 | 6 | 4 | | J Craybas | 2 | 0 | | | | | | | | | | | |
| | C Garcia | 6$^7$ | 6 | 6$^2$ | 2/WC | J Janković | 6 | 6 | | | | | | | | | | | |
| 2/WC | J Janković | 7$^9$ | 4 | 7$^7$ | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

The top seed received a bye into the second round (of the qualifying).
* Hsieh Su-wei (qualified)
* Karolína Plíšková (qualified)
* Kristýna Plíšková (qualified)
* Rika Fujiwara (second round)
* Elena Bogdan (qualifying competition)
* Varatchaya Wongteanchai (first round)
* Zhang Ling (first round)
* Ayu Fani Damayanti (qualifying competition)

### Qualifiers

* Hsieh Su-wei
* Karolína Plíšková
* Kristýna Plíšková
* Nudnida Luangnam

### Draw
#### First qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| | | | | | 1 | Hsieh Su-wei | 7 | 6 | | | | | |
| Daniella Jeflea | Daniella Jeflea | 4 | 6 | 4 | | Xu Yifan | 5 | 2 | | | | | |
| Xu Yifan | Xu Yifan | 6 | 3 | 6 | | | | | | 1 | Hsieh Su-wei | 7$^8$ | 6 |
| Zhao Yijing | Zhao Yijing | 2 | 4 | | | | | | | 8 | Ayu Fani Damayanti | 6$^6$ | 0 |
| Zheng Saisai | Zheng Saisai | 6 | 6 | | | Zheng Saisai | 3 | 6 | 6$^6$ | | | | |
| | Zhou Yimiao | 6$^4$ | 3 | | 8 | Ayu Fani Damayanti | 6 | 4 | 7$^8$ | | | | |
| 8 | Ayu Fani Damayanti | 7$^7$ | 6 | | | | | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Karolína Plíšková | 6 | 6 | | | | | | | | | |
| | Junri Namigata | 0 | 1 | 2 | Karolína Plíšková | 7$^7$ | 6 | | | | | |
| WC | Choo Lyn Yuen | 0 | 2 | | Tetyana Arefyeva | 6$^3$ | 0 | | | | | |
| | Tetyana Arefyeva | 6 | 6 | | | | | | 2 | Karolína Plíšková | 6 | 7 |
| Piia Suomalainen | Piia Suomalainen | 4 | 1 | | | | | | 5 | Elena Bogdan | 1 | 5 |
| Chan Chin-wei | Chan Chin-wei | 6 | 6 | | Chan Chin-wei | 2 | 6 | 5 | | | | |
| | Nicole Rottmann | 4 | 1 | 5 | Elena Bogdan | 6 | 2 | 7 | | | | |
| 5 | Elena Bogdan | 6 | 6 | | | | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Kristýna Plíšková | 3 | 6 | 6 | | | | | | | | |
| | Tadeja Majerič | 6 | 4 | 3 | 3 | Kristýna Plíšková | 6 | 7 | | | | |
| | Shuko Aoyama | 6 | 4 | 6 | | Shuko Aoyama | 1 | 5 | | | | |
| WC | Jawairiah Noordin | 4 | 6 | 3 | | | | | 3 | Kristýna Plíšková | 6 | 6 |
| Hsu Wen-hsin | Hsu Wen-hsin | 6$^2$ | 4 | | | | | | | Luksika Kumkhum | 3 | 4 |
| Wang Qiang | Wang Qiang | 7$^7$ | 6 | | Wang Qiang | Wang Qiang | 1 | 2 | | | | |
| | Luksika Kumkhum | 6 | 6 | | Luksika Kumkhum | Luksika Kumkhum | 6 | 6 | | | | |
| 7 | Zhang Ling | 3 | 4 | | | | | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Rika Fujiwara | 6 | 7 | | | | | | | | | | |
| | Lu Jingjing | 3 | 5 | | 4 | Rika Fujiwara | 3 | 2 | | | | | |
| Nudnida Luangnam | Nudnida Luangnam | 1 | 6 | 7 | | Nudnida Luangnam | 6 | 6 | | | | | |
| Donna Vekić | Donna Vekić | 6 | 4 | 5 | | | | | | Nudnida Luangnam | Nudnida Luangnam | 6 | 6 |
| Jasmina Tinjić | Jasmina Tinjić | 3 | 3 | | | | | | | Elena Bovina | Elena Bovina | 2 | 4 |
| Anne Kremer | Anne Kremer | 6 | 6 | | Anne Kremer | Anne Kremer | 6 | 6$^4$ | 3 | | | | |
| | Elena Bovina | 6 | 3 | 6 | Elena Bovina | Elena Bovina | 3 | 7$^7$ | 6 | | | | |
| 6 | Varatchaya Wongteanchai | 4 | 6 | 2 | | | | | | | | | |