# 2012 BWF World Junior Championships – Girls singles

The Girls Singles tournament of the 2012 BWF World Junior Championships was held from October 30 until November 3. The defending champion, Ratchanok Intanon, who won the tournament for 3 years in a row decided not to take part this time even though her age was still eligible.
Japanese girl Nozomi Okuhara, who was beaten by Intanon in the semi-final of the previous year's tournament, won the all-Japanese final against her teammate Akane Yamaguchi 21-12, 21-9.

## Seeded

* Tai Tzu-ying (quarter-final)
* Busanan Ongbamrungphan (quarter-final)
* Nozomi Okuhara (champion)
* Neslihan Yiğit (third round)
* Sun Yu (semi-final)
* Iris Wang (third round)
* Stefani Stoeva (fourth round)
* Line Kjærsfeldt (third round)
* Liang Xiaoyu (third round)
* Kim Hyo-min (fourth round)
* Sandra-Maria Jensen (third round)
* Lucie Černá (third round)
* Hanna Ramadhini (quarter-final)
* Akane Yamaguchi (final)
* Christin Tsai (fourth round)
* Evgeniya Kosetskaya (third round)

## Draw
### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Tai Tzu-ying | 21 | 13 | 11 | | | | | | | | | |
| 5/8 | Sun Yu | 18 | 21 | 21 | | | | | | | | | |
| 5/8 | Sun Yu | 18 | 21 | 21 | 5/8 | Sun Yu | 10 | 20 | | | | | |
| | | | | | 3/4 | Nozomi Okuhara | 21 | 22 | | | | | |
| 3/4 | Nozomi Okuhara | 17 | 21 | 21 | 3/4 | Nozomi Okuhara | 21 | 22 | | | | | |
| | Ryu Young-seo | 21 | 12 | 8 | | | | | | | | | |
| | Ryu Young-seo | 21 | 12 | 8 | | | | | | 3/4 | Nozomi Okuhara | 21 | 21 |
| | | | | | | | | | | 9/16 | Akane Yamaguchi | 12 | 9 |
| 9/16 | Akane Yamaguchi | 21 | 21 | | | | | | | | | | | 9/16 | Akane Yamaguchi | 12 | 9 |
| 9/16 | Hanna Ramadini | 12 | 18 | | | | | | | | | | |
| 9/16 | Hanna Ramadini | 12 | 18 | | 9/16 | Akane Yamaguchi | 17 | 21 | 21 | | | | |
| | | | | | | Aya Ohori | 21 | 10 | 15 | | | | |
| | Aya Ohori | 21 | 15 | 21 | | Aya Ohori | 21 | 10 | 15 | | | | |
| 2 | Busanan Ongbamrungphan | 16 | 21 | 17 | | | | | | | | | |

### Top Half
#### Section 1

| 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 |
| | | | 1 | Tai T-y | 21 | 21 | | | | | | | | | |
| | | | | P Chochuwong | 16 | 19 | | | | | | | | | |
| | | | | | | | 1 | Tai T-y | 21 | 21 | | | | | |
| C Chen | 11 | 8 | | | | | | Lee J-m | 14 | 13 | | | | | |
| L Heim | 21 | 21 | | L Heim | 6 | 13 | | | | | | | | | |
| M Demy | 16 | 10 | | Lee J-m | 21 | 21 | | | | | | | | | |
| Lee J-m | 21 | 21 | | | | | | | | | | 1 | Tai T-y | 21 | 21 |
| | | | | | | | | | | | | | Lim YF | 12 | 19 |
| | | | 9/16 | E Kosetskaya | 21 | 21 | | | | | | | | | |
| | | | | D Lansac | 14 | 15 | | | | | | | | | |
| | | | | | | | 9/16 | E Kosetskaya | 15 | 21 | 12 | | | | |
| A Schoonees | 4 | 9 | | | | | | Lim YF | 21 | 16 | 21 | | | | |
| Lim YF | 21 | 21 | | Lim YF | 21 | 21 | | | | | | | | | |
| C Birch | 21 | 21 | | C Birch | 5 | 10 | | | | | | | | | |
| V Mushtakova | 4 | 5 | | | | | | | | | | | | | |

#### Section 2

| 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 |
| | | | 5/8 | Sun Y | 21 | 21 | | | | | | | | | |
| | | | | M Caculitan | 2 | 5 | | | | | | | | | |
| | | | | | | | | 5/8 | Sun Y | 21 | 21 | | | | |
| A Chen | 14 | 14 | | | | | | | R Das | 9 | 8 | | | | |
| R Das | 21 | 21 | | R Das | 12 | 21 | 21 | | | | | | | | |
| C Hoshi | 21 | 21 | | C Hoshi | 21 | 13 | 18 | | | | | | | | |
| V Kessler | 6 | 7 | | | | | | | | | | 5/8 | Sun Y | 21 | 21 |
| | | | | | | | | | | | | 9/16 | C Tsai | 4 | 15 |
| | | | 9/16 | C Tsai | 21 | 21 | | | | | | | | | |
| | | | | F Seah | 6 | 11 | | | | | | | | | |
| | | | | | | | | 9/16 | C Tsai | 21 | 21 | | | | |
| R Hartawan | 17 | 22 | | | | | | | Lê TH | 13 | 14 | | | | |
| Lê TH | 21 | 24 | | Lê TH | 16 | 21 | 21 | | | | | | | | |
| L Dissanayake | 12 | 7 | | C Fere | 21 | 15 | 12 | | | | | | | | |
| C Fere | 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 | Fourth round | Fourth round | Fourth round | Fourth round |
| | | | 3/4 | N Okuhara | 21 | 21 | | | | | | | | | |
| | | | | Yu C-h | 6 | 5 | | | | | | | | | |
| | | | | | | | | 3/4 | N Okuhara | 21 | 21 | | | | |
| D Ahmedova | 7 | 10 | | | | | | | F Vandenhoucke | 2 | 5 | | | | |
| G De Vera | 21 | 21 | | G De Vera | 16 | 7 | | | | | | | | | |
| A Stephenson | 13 | 20 | | F Vandenhoucke | 21 | 21 | | | | | | | | | |
| F Vandenhoucke | 21 | 22 | | | | | | | | | | 3/4 | N Okuhara | 21 | 21 |
| | | | | | | | | | | | | | R Andriani | 6 | 9 |
| | | | 9/16 | S Jensen | 21 | 15 | 21 | | | | | | | | |
| | | | | N Rogova | 14 | 21 | 12 | | | | | | | | |
| | | | | | | | | 9/16 | S Jensen | 20 | 12 | | | | |
| R Andriani | 21 | 21 | | | | | | | R Andriani | 22 | 21 | | | | |
| J Guan | 13 | 12 | | R Andriani | 15 | 21 | 23 | | | | | | | | |
| Ng WY | 21 | 21 | | Ng WY | 21 | 14 | 21 | | | | | | | | |
| Phạm NT | 11 | 8 | | | | | | | | | | | | | |

#### Section 4

| 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 |
| | | | 5/8 | S Stoeva | 21 | 21 | | | | | | | | | |
| | | | | A Sapniti | 18 | 12 | | | | | | | | | |
| | | | | | | | 5/8 | S Stoeva | 21 | 21 | | | | | |
| J van der Vyver | 8 | 12 | | | | | | Ho YM | 12 | 12 | | | | | |
| A Tran | 21 | 21 | | A Tran | 8 | 10 | | | | | | | | | |
| Ho YM | 21 | 21 | | Ho YM | 21 | 21 | | | | | | | | | |
| E Yazgan | 8 | 7 | | | | | | | | | | 5/8 | S Stoeva | 17 | 17 |
| | | | | | | | | | | | | | Ryu Y-s | 21 | 21 |
| | | | 9/16 | L Černá | 21 | 21 | | | | | | | | | |
| | | | | L Kaepplein | 13 | 12 | | | | | | | | | |
| | | | | | | | 9/16 | L Černá | 11 | 21 | 12 | | | | |
| R Pillai | 15 | 21 | | | | | | Ryu Y-s | 21 | 19 | 21 | | | | |
| A Dmytryshyn | 21 | 23 | | A Dmytryshyn | 10 | 6 | | | | | | | | | |
| Ryu Y-s | 21 | 21 | | Ryu Y-s | 21 | 21 | | | | | | | | | |
| A Lin | 5 | 6 | | | | | | | | | | | | | |

### Bottom Half
#### Section 5

| 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 |
| A Holcek | 5 | 9 | | | | | | | | | | | | | | |
| Lee M-j | 21 | 21 | | Lee M-j | 21 | 21 | | | | | | | | | | |
| V Gushcha | 11$^r$ | | | E Pyatina | 10 | 12 | | | | | | | | | | |
| E Pyatina | 11 | | | | | | | | Lee M-j | 21 | 7 | 15 | | | | |
| | | | | | | | | 9/16 | A Yamaguchi | 19 | 21 | 21 | | | | |
| | | | | M Ivanova | 5 | 14 | | | | | | | | | | |
| | | | 9/16 | A Yamaguchi | 21 | 21 | | | | | | | | | | |
| | | | | | | | | | | | | | 9/16 | A Yamaguchi | 21 | 21 |
| M Alcala | | | | | | | | | | | | | | M Alcala | 14 | 15 |
| T Hendahewa | wo | | | M Alcala | 17 | 21 | 21 | | | | | | | | | |
| M Phattanaphitoon | 21 | 21 | | M Phattanaphitoon | 21 | 11 | 16 | | | | | | | | | |
| M Pakina | 10 | 14 | | | | | | | M Alcala | 21 | 21 | | | | | |
| | | | | | | | | 5/8 | L Kjærsfeldt | 19 | 16 | | | | | |
| | | | | I Zychová | 7 | 6 | | | | | | | | | | |
| | | | 5/8 | L Kjærsfeldt | 21 | 21 | | | | | | | | | | |

#### Section 6

| 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 |
| R Gadde | 21 | 21 | | | | | | | | | | | | | |
| A Paavola | 8 | 5 | | R Gadde | 21 | 21 | | | | | | | | | |
| M Batomene | 21 | 21 | | M Batomene | 10 | 13 | | | | | | | | | |
| V Williams | 19 | 10 | | | | | | | R Gadde | 11 | 14 | | | | |
| | | | | | | | | 9/16 | H Ramadini | 21 | 21 | | | | |
| | | | | Yap RC | 21 | 18 | 20 | | | | | | | | |
| | | | 9/16 | H Ramadini | 13 | 21 | 22 | | | | | | | | |
| | | | | | | | | | | | | 9/16 | H Ramadini | 21 | 21 |
| Yeo JM | 11 | 11 | | | | | | | | | | | Qin JJ | 16 | 14 |
| Lin Y-c | 21 | 21 | | Lin Y-c | 15 | 21 | 13 | | | | | | | | |
| Qin JJ | 21 | 21 | | Qin JJ | 21 | 16 | 21 | | | | | | | | |
| A Dorr | 7 | 9 | | | | | | | Qin JJ | 21 | 21 | | | | |
| | | | | | | | | 3/4 | N Yiğit | 17 | 13 | | | | |
| | | | | Cheun YM | 21 | 12 | 7 | | | | | | | | |
| | | | 3/4 | N Yiğit | 19 | 21 | 21 | | | | | | | | |

#### Section 7

| 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 | Fourth round | Fourth round | Fourth round | Fourth round |
| S Illangakoon | 11 | 7 | | | | | | | | | | | | | | |
| A Ohori | 21 | 21 | | | A Ohori | 21 | 21 | | | | | | | | | |
| S Mapasa | 19 | 21 | 21 | | S Mapasa | 5 | 5 | | | | | | | | | |
| M Mitsova | 21 | 8 | 11 | | | | | | | A Ohori | 21 | 21 | | | | |
| | | | | | | | | | 9/16 | Liang XY | 13 | 10 | | | | |
| | | | | | N Sharp | 11 | 5 | | | | | | | | | |
| | | | | 9/16 | Liang XY | 21 | 21 | | | | | | | | | |
| | | | | | | | | | | | | | A Ohori | 21 | 12 | 21 |
| M Svetnickova | 21 | 13 | 20 | | | | | | | | | | Zheng Y | 7 | 21 | 10 |
| D Samarchants | 17 | 21 | 2 | | D Samarchants | 3 | 5 | | | | | | | | | |
| J Moore | 5 | 18 | | | Zheng Y | 21 | 21 | | | | | | | | | |
| Zheng Y | 21 | 21 | | | | | | | | Zheng Y | 21 | 21 | | | | |
| | | | | | | | | | 5/8 | I Wang | 6 | 13 | | | | |
| | | | | | Nguyễn TL | 21 | 18 | 13 | | | | | | | | |
| | | | | 5/8 | I Wang | 18 | 21 | 21 | | | | | | | | |

#### Section 8

| 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 | Fourth round | Fourth round | Fourth round | Fourth round |
| Lim CS | 21 | 19 | 21 | | | | | | | | | | | | | |
| S van Wel | 12 | 21 | 17 | | Lim CS | 17 | 21 | 21 | | | | | | | | |
| J Wu | 8 | 19 | | | A Sunil | 21 | 13 | 9 | | | | | | | | |
| A Sunil | 21 | 21 | | | | | | | | Lim CS | 10 | 13 | | | | |
| | | | | | | | | | 9/16 | Kim H-m | 21 | 21 | | | | |
| | | | | | R Darragh | 6 | 5 | | | | | | | | | |
| | | | | 9/16 | Kim H-m | 21 | 21 | | | | | | | | | |
| | | | | | | | | | | | | | 9/16 | Kim H-m | 15 | 9 |
| Tsang WC | 21 | 21 | | | | | | | | | | | 2 | B Ongbamrungphan | 21 | 21 |
| D Botha | 5 | 13 | | | Tsang WC | 19 | 21 | 21 | | | | | | | | |
| Lee C-h | 21 | 21 | | | Lee C-h | 21 | 19 | 19 | | | | | | | | |
| A Moran | 11 | 10 | | | | | | | | Tsang WC | 5 | 11 | | | | |
| | | | | | | | | | 2 | B Ongbamrungphan | 21 | 21 | | | | |
| | | | | | K van der Valk | 8 | 4 | | | | | | | | | |
| | | | | 2 | B Ongbamrungphan | 21 | 21 | | | | | | | | | |