# 2015 PTT Thailand Open – Singles

Ekaterina Makarova was the defending champion, but chose not to participate this year.
Daniela Hantuchová won the title, defeating Ajla Tomljanović in the final, despite being two match points down against Marina Erakovic in the third set in the semifinal. This was Hantuchová's final WTA tour singles title, before her retirement in 2017.

## Seeds

* Peng Shuai (second round)
* Elina Svitolina (withdrew)
* Zarina Diyas (first round)
* Kurumi Nara (second round)
* Yaroslava Shvedova (withdrew)
* Jarmila Gajdošová (second round)
* Monica Puig (semifinals)
* Zhang Shuai (second 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 |
| 7 | Monica Puig | 6$^4$ | 7 | 6$^7$ | | | | |
| | Ajla Tomljanović | 7$^7$ | 5 | 7$^9$ | | | | |
| | Ajla Tomljanović | 7$^7$ | 5 | 7$^9$ | Ajla Tomljanović | 6 | 3 | 4 |
| | | | | | Daniela Hantuchová | 3 | 6 | 6 |
| | Daniela Hantuchová | 4 | 6 | 7$^7$ | Daniela Hantuchová | 3 | 6 | 6 |
| | Marina Erakovic | 6 | 3 | 6$^3$ | | | | |

### Top half

| 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 | Semifinals |
| 1 | S Peng | 6 | 6 | | | | | | | | | | | | | | |
| | A Kudryavtseva | 3 | 2 | 1 | S Peng | 3 | 6 | 2 | | | | | | | | | |
| WC | T Tanasugarn | 6$^2$ | 0 | | M Doi | 6 | 2 | 6 | | | | | | | | | |
| | M Doi | 7$^7$ | 6 | | | | | | | M Doi | 4 | 2 | | | | | |
| | R Oprandi | 6 | 6 | | | | | | 7 | M Puig | 6 | 6 | | | | | |
| | E Vesnina | 3 | 3 | | R Oprandi | 1 | 6 | 0 | | | | | | | | | |
| | S Vögele | 2 | 6$^4$ | 7 | M Puig | 6 | 3 | 6 | | | | | | | | | |
| 7 | M Puig | 6 | 7$^7$ | | | | | | | | | | 7 | M Puig | 6$^4$ | 7 | 6$^7$ |
| 4 | K Nara | 6 | 6 | | | | | | | | | | | A Tomljanović | 7$^7$ | 5 | 7$^9$ |
| WC | N Lertpitaksinchai | 2 | 1 | 4 | K Nara | 2 | 4 | | | | | | | | | | |
| | E Rodina | 7$^7$ | 6 | | E Rodina | 6 | 6 | | | | | | | | | | |
| | Y Putintseva | 6$^2$ | 4 | | | | | | | E Rodina | 6$^4$ | 2 | | | | | |
| Q | E Kulichkova | 3 | 6$^4$ | | | | | | | A Tomljanović | 7$^7$ | 6 | | | | | |
| | A Tomljanović | 6 | 7$^7$ | | A Tomljanović | 7$^7$ | 6 | | | | | | | | | | |
| Q | M Eguchi | 3 | 6$^1$ | 6 | J Gajdošová | 6$^3$ | 3 | | | | | | | | | | |
| 6 | J Gajdošová | 6 | 7$^7$ | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| LL | L Zhu | 7$^7$ | 6 | | | | | | | | | | | | | | |
| | S Pe'er | 6$^5$ | 1 | | LL | L Zhu | 1 | 0$^r$ | | | | | | | | | |
| | Y Duan | 7$^7$ | 7 | | | Y Duan | 6 | 0 | | | | | | | | | |
| Q | Y-j Chan | 6$^4$ | 5 | | | | | | | Y Duan | 3 | 0 | | | | | |
| Q | Y Xu | 4 | 2 | | | | | | | D Hantuchová | 6 | 6 | | | | | |
| | S Zheng | 6 | 6 | | | S Zheng | 6$^5$ | 2 | | | | | | | | | |
| | D Hantuchová | 1 | 6 | 6 | | D Hantuchová | 7$^7$ | 6 | | | | | | | | | |
| 3 | Z Diyas | 6 | 3 | 1 | | | | | | | | | | D Hantuchová | 4 | 6 | 7$^7$ |
| 8 | S Zhang | 6 | 6 | | | | | | | | | | | M Erakovic | 6 | 3 | 6$^3$ |
| | D Vekić | 2 | 0 | | 8 | S Zhang | 6$^6$ | 3 | | | | | | | | | |
| | Q Wang | 2 | 2 | | WC | V Zvonareva | 7$^8$ | 6 | | | | | | | | | |
| WC | V Zvonareva | 6 | 6 | | | | | | WC | V Zvonareva | 6 | 6$^6$ | 5 | | | | |
| | L Kumkhum | 2 | 2 | | | | | | | M Erakovic | 2 | 7$^8$ | 7 | | | | |
| | M Erakovic | 6 | 6 | | | M Erakovic | 6 | 6 | | | | | | | | | |
| | K Date-Krumm | 7 | 6$^6$ | 2 | LL | Y Beygelzimer | 1 | 1 | | | | | | | | | |
| LL | Y Beygelzimer | 5 | 7$^8$ | 6 | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Alexandra Panova (first round)
* Zhu Lin (qualifying competition, lucky loser)
* Misa Eguchi (qualified)
* Yuliya Beygelzimer (qualifying competition, lucky loser)
* Xu Yifan (qualified)
* Liu Fangzhou (qualifying competition)
* Elizaveta Kulichkova (qualified)
* Chan Yung-jan (qualified)

### Qualifiers

* Xu Yifan
* Elizaveta Kulichkova
* Misa Eguchi
* Chan Yung-jan

### Lucky losers

* Yuliya Beygelzimer
* Zhu Lin

### Draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Alexandra Panova | 6 | 5 | 4 | | | | |
| | Anastasia Rodionova | 3 | 7 | 6 | | | | |
| | Anastasia Rodionova | 3 | 7 | 6 | | Anastasia Rodionova | 1 | 3 |
| | | | | | 5 | Xu Yifan | 6 | 6 |
| | Mandy Minella | 3 | 2 | | 5 | Xu Yifan | 6 | 6 |
| 5 | Xu Yifan | 6 | 6 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Zhu Lin | 6 | 6 | | | | |
| | Shuko Aoyama | 2 | 2 | | | | |
| | Shuko Aoyama | 2 | 2 | 2 | Zhu Lin | 5 | 2 |
| | | | | 7 | Elizaveta Kulichkova | 7 | 6 |
| WC | Kamonwan Buayam | 5 | 3 | 7 | Elizaveta Kulichkova | 7 | 6 |
| 7 | Elizaveta Kulichkova | 7 | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Misa Eguchi | 4 | 6 | 6 | | | | |
| | Andrea Hlaváčková | 6 | 3 | 4 | | | | |
| | Andrea Hlaváčková | 6 | 3 | 4 | 3 | Misa Eguchi | 6 | 6 |
| | | | | | 6 | Liu Fangzhou | 2 | 1 |
| | Akgul Amanmuradova | 6 | 2 | 5 | 6 | Liu Fangzhou | 2 | 1 |
| 6 | Liu Fangzhou | 3 | 6 | 7 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Yuliya Beygelzimer | 6 | 6 | | | | | |
| WC | Peangtarn Plipuech | 2 | 1 | | | | | |
| WC | Peangtarn Plipuech | 2 | 1 | 4 | Yuliya Beygelzimer | 6 | 1 | 3 |
| | | | | 8 | Chan Yung-jan | 4 | 6 | 6 |
| | Zhang Ling | 1 | 1 | 8 | Chan Yung-jan | 4 | 6 | 6 |
| 8 | Chan Yung-jan | 6 | 6 | | | | | |