# 2009 BWF World Junior Championships – Girls' singles

The girls' singles of the tournament 2009 BWF World Junior Championships was held on 28 October–1 November 2009. Thai player Ratchanok Inthanon took out the girls' singles final as she defeated fellow countrywoman Porntip Buranaprasertsuk in three sets.

## Seeds

* Chen Xiaojia (semi-final)
* Febby Angguni (second round)
* Ana Rovita (quarter-final)
* Natalia Perminova (third round)
* Porntip Buranaprasertsuk (final)
* Ratchanok Inthanon (champion)
* Lisa Heidenreich (second round)
* Siti Anida Lestari Qoryatin (quarter-final)
* Tee Jing Yi (quarter-final)
* Alina Hammes (second round)
* Lene Clausen (fourth round)
* Fabienne Deprez (third round)
* Sapsiree Taerattanachai (fourth round)
* Sayaka Takahashi (third round)
* Iris Tabeling (third round)
* Chen Jiayuan (fourth round)

## Draw
### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Chen Xiaojia | 21 | 21 | | | | | | | | | | |
| 5/8 | Siti Anida Lestari Qoryatin | 8 | 12 | | | | | | | | | | |
| 5/8 | Siti Anida Lestari Qoryatin | 8 | 12 | 1 | Chen Xiaojia | 21 | 18 | 19 | | | | | |
| | | | | 5/8 | Porntip Buranaprasertsuk | 18 | 21 | 21 | | | | | |
| | Minatsu Mitani | 13 | 14 | 5/8 | Porntip Buranaprasertsuk | 18 | 21 | 21 | | | | | |
| 5/8 | Porntip Buranaprasertsuk | 21 | 21 | | | | | | | | | | |
| 5/8 | Porntip Buranaprasertsuk | 21 | 21 | | | | | | 5/8 | Porntip Buranaprasertsuk | 15 | 23 | 10 |
| | | | | | | | | | 5/8 | Ratchanok Inthanon | 21 | 21 | 21 |
| 5/8 | Ratchanok Inthanon | 21 | 21 | | | | | | | | | | | 5/8 | Ratchanok Inthanon | 21 | 21 | 21 |
| 3/4 | Ana Rovita | 9 | 11 | | | | | | | | | | |
| 3/4 | Ana Rovita | 9 | 11 | 5/8 | Ratchanok Inthanon | 21 | 21 | | | | | | |
| | | | | | Suo Di | 14 | 18 | | | | | | |
| 9/16 | Tee Jing Yi | 13 | 17 | | Suo Di | 14 | 18 | | | | | | |
| | Suo Di | 21 | 21 | | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round |
| | | | | 1 | Chen XJ | 21 | 21 | | | | | | | | | | |
| | | | | | Ieong PS | 8 | 7 | | | | | | | | | | |
| | | | | | | | | | 1 | Chen XJ | 17 | 21 | 21 | | | | |
| | | | | | | | | | | E Purwaningtyas | 21 | 11 | 6 | | | | |
| | | | | | E Purwaningtyas | 17 | 21 | 21 | | | | | | | | | |
| A Rathnasiri | 17 | 24 | | | L Meheust | 21 | 6 | 17 | | | | | | | | | |
| L Meheust | 21 | 26 | | | | | | | | | | | | 1 | Chen XJ | 21 | 21 |
| | | | | | | | | | | | | | | | S Cheah | 17 | 19 |
| | | | | 9/16 | S Takahashi | 21 | 21 | | | | | | | | | | |
| | | | | | Nguyen TMA | 9 | 5 | | | | | | | | | | |
| | | | | | | | | | 9/16 | S Takahashi | 20 | 16 | | | | | |
| S Weerasinghe | 21 | 21 | 13 | | | | | | | S Cheah | 22 | 21 | | | | | |
| S Kong | 16 | 23 | 21 | | S Kong | 11 | 15 | | | | | | | | | | |
| S Cheah | 21 | 21 | | | S Cheah | 21 | 21 | | | | | | | | | | |
| Chen C-Y | 12 | 4 | | | | | | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round |
| | | | | 5/8 | S Anida | 24 | 21 | | | | | | | | | | | |
| | | | | | A Nazarchuk | 22 | 12 | | | | | | | | | | | |
| | | | | | | | | | 5/8 | S Anida | 21 | 21 | | | | | | |
| | | | | | | | | | | O Bayrak | 13 | 7 | | | | | | |
| | | | | | O Bayrak | 12 | | | | | | | | | | | | |
| A De Assis | 11 | 8 | | | N Goh | 14$^r$ | | | | | | | | | | | | |
| N Goh | 21 | 21 | | | | | | | | | | | | 5/8 | S Anida | 21 | 14 | 21 |
| | | | | | | | | | | | | | | | Lu C-C | 17 | 21 | 14 |
| | | | | 9/16 | F Deprez | 21 | 21 | | | | | | | | | | | |
| | | | | | M Chan | 7 | 7 | | | | | | | | | | | |
| | | | | | | | | | 9/16 | F Deprez | 21 | 17 | 11 | | | | | |
| Lu C-C | 20 | 21 | 21 | | | | | | | Lu C-C | 7 | 21 | 21 | | | | | |
| L Choo | 22 | 18 | 11 | | Lu C-C | 16 | 25 | 21 | | | | | | | | | | |
| M Alcala | 21 | 13 | 17 | | Yang LL | 21 | 23 | 18 | | | | | | | | | | |
| Yang LL | 15 | 21 | 21 | | | | | | | | | | | | | | | |

#### Section 3

| First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round |
| | | | 3/4 | N Perminova | 21 | 22 | 21 | | | | | | | | |
| | | | | Le TH | 17 | 24 | 11 | | | | | | | | |
| | | | | | | | | 3/4 | N Perminova | 21 | 17 | 12 | | | |
| | | | | | | | | | M Mitani | 12 | 21 | 21 | | | |
| | | | | L Kjaersfeldt | 11 | 9 | | | | | | | | | |
| M Mitani | 21 | 21 | | M Mitani | 21 | 21 | | | | | | | | | |
| S Jensen | 12 | 7 | | | | | | | | | | | M Mitani | 21 | 21 |
| | | | | | | | | | | | | | Poon LY | 13 | 19 |
| | | | 9/16 | A Hammes | 21 | 16 | 13 | | | | | | | | |
| | | | | Thng TT | 17 | 21 | 21 | | | | | | | | |
| | | | | | | | | | Thng TT | 14 | 18 | | | | |
| S Reddy | 12 | 8 | | | | | | | Poon LY | 21 | 21 | | | | |
| Poon LY | 21 | 21 | | Poon LY | 21 | 21 | | | | | | | | | |
| I Filipchuk | wo | | | S Leydon-Davis | 8 | 4 | | | | | | | | | |
| S Leydon-Davis | | | | | | | | | | | | | | | |

#### Section 4

| First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round |
| | | | 5/8 | P Buranaprasertsuk | 21 | 21 | | | | | | | | | |
| | | | | T Pilven | 9 | 8 | | | | | | | | | |
| | | | | | | | 5/8 | P Buranaprasertsuk | 21 | 21 | | | | | |
| | | | | | | | | Vu TT | 11 | 10 | | | | | |
| | | | | L Ma | 20 | 15 | | | | | | | | | |
| Vu TT | | | | Vu TT | 22 | 21 | | | | | | | | | |
| V Rany | wo | | | | | | | | | | 5/8 | P Buranaprasertsuk | 9 | 21 | 21 |
| | | | | | | | | | | | 9/16 | S Taerattanachai | 21 | 10 | 17 |
| | | | 9/16 | S Taerattanachai | 21 | 21 | | | | | | | | | |
| | | | | E Gokal | 9 | 7 | | | | | | | | | |
| | | | | | | | 9/16 | S Taerattanachai | 21 | 21 | | | | | |
| A Langley | 21 | 21 | | | | | | A Langley | 8 | 15 | | | | | |
| M Stapleton | 9 | 4 | | A Langley | 21 | 21 | | | | | | | | | |
| Fong SC | 10 | 16 | | K Dejak | 13 | 14 | | | | | | | | | |
| K Dejak | 21 | 21 | | | | | | | | | | | | | |

### Bottom half
#### Section 5

| First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round |
| S Rane | 21 | 21 | | | | | | | | | | | | | |
| L Inglis | 10 | 15 | | S Rane | 21 | 21 | | | | | | | | | |
| Yeung YK | | | | Yeung YK | 16 | 12 | | | | | | | | | |
| K Ratanisha | WO | | | | | | | S Rane | 17 | 13 | | | | | |
| | | | | | | | 9/16 | Chen JY | 21 | 21 | | | | | |
| | | | | E Komendrovskaya | 18 | 10 | | | | | | | | | |
| | | | 9/16 | Chen JY | 21 | 21 | | | | | | | | | |
| | | | | | | | | | | | 9/16 | Chen JY | 12 | 22 | 13 |
| R Kurtulus | 14 | 8 | | | | | | | | | 5/8 | R Inthanon | 21 | 20 | 21 |
| Tan WH | 21 | 21 | | Tan WH | 29 | 21 | | | | | | | | | |
| V Na | 15 | 20 | | G Castelo | 27 | 13 | | | | | | | | | |
| G Castelo | 21 | 22 | | | | | | Tan WH | 13 | 10 | | | | | |
| | | | | | | | 5/8 | R Inthanon | 21 | 21 | | | | | |
| | | | | P Sindhu | 15 | 10 | | | | | | | | | |
| | | | 5/8 | R Inthanon | 21 | 21 | | | | | | | | | |

#### Section 6

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round |
| I Wienefeld | 22 | 18 | 21 | | | | | | | | | | | | | |
| C Fere | 20 | 21 | 9 | | I Wienefeld | 20 | 16 | | | | | | | | | |
| F Ng | 13 | 15 | | | P Thulasi | 22 | 21 | | | | | | | | | |
| P Thulasi | 21 | 21 | | | | | | | P Thulasi | 18 | 21 | 14 | | | | |
| | | | | | | | | 9/16 | L Clausen | 21 | 16 | 21 | | | | |
| | | | | | A Lim | 8 | 13 | | | | | | | | | |
| | | | | 9/16 | L Clausen | 21 | 21 | | | | | | | | | |
| | | | | | | | | | | | | | 9/16 | L Clausen | 12 | 5$^r$ |
| Nguyen TS | 16 | 16 | | | | | | | | | | | 3/4 | A Rovita | 21 | 11 |
| M Takagi | 21 | 21 | | | M Takagi | 21 | 23 | | | | | | | | | |
| | | | | | M Li | 13 | 21 | | | | | | | | | |
| | | | | | | | | | M Takagi | 21 | 16 | 15 | | | | |
| | | | | | | | | 3/4 | A Rovita | 19 | 21 | 21 | | | | |
| | | | | | O Kuruppu | 6 | 12 | | | | | | | | | |
| | | | | 3/4 | A Rovita | 21 | 21 | | | | | | | | | |

#### Section 7

| First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round |
| M Maunoury | 21 | 21 | | | | | | | | | | | | | |
| V Kharchenko | 12 | 4 | | M Maunoury | 9 | 10 | | | | | | | | | |
| N Jindapon | 21 | 21 | | N Jindapon | 21 | 21 | | | | | | | | | |
| Iao MH | 6 | 8 | | | | | | | N Jindapon | 14 | 13 | | | | |
| | | | | | | | | 9/16 | Tee JY | 21 | 21 | | | | |
| | | | | S Sovanpich | wo | | | | | | | | | | |
| | | | 9/16 | Tee JY | | | | | | | | | | | |
| | | | | | | | | | | | | 9/16 | Tee JY | 21 | 21 |
| Pai Y-P | 10 | 20 | | | | | | | | | | | Tse YS | 9 | 10 |
| Tse YS | 21 | 22 | | Tse YS | 21 | 21 | | | | | | | | | |
| | | | | V Cheng | 13 | 9 | | | | | | | | | |
| | | | | | | | | | Tse YS | 21 | 21 | | | | |
| | | | | | | | | | A Mathis | 14 | 8 | | | | |
| | | | | A Mathis | 21 | 13 | 21 | | | | | | | | |
| | | | 5/8 | L Heidenreich | 18 | 21 | 8 | | | | | | | | |

#### Section 8

| First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round |
| K Konishi | 21 | 21 | | | | | | | | | | | | | |
| L Havlova | 11 | 5 | | K Konishi | 18 | 8 | | | | | | | | | |
| S Illangakoon | 16 | 14 | | S Milne | 21 | 21 | | | | | | | | | |
| S Milne | 21 | 21 | | | | | | | S Milne | 10 | 21 | 21 | | | |
| | | | | | | | | 9/16 | I Tabeling | 21 | 13 | 10 | | | |
| | | | | Leung KY | 16 | 22 | 18 | | | | | | | | |
| | | | 9/16 | I Tabeling | 21 | 20 | 21 | | | | | | | | |
| | | | | | | | | | | | | | S Milne | 10 | 9 |
| Deng X | 21 | 21 | | | | | | | | | | | Suo D | 21 | 21 |
| A Chervaykova | 5 | 15 | | Deng X | 16 | 21 | 21 | | | | | | | | |
| | | | | Yao X | 21 | 10 | 18 | | | | | | | | |
| | | | | | | | | | Deng X | 21 | 13 | 18 | | | |
| | | | | | | | | | Suo D | 17 | 21 | 21 | | | |
| | | | | Suo D | 18 | 21 | 21 | | | | | | | | |
| | | | 2 | F Angguni | 21 | 17 | 13 | | | | | | | | |