# 2012 Asian Junior Badminton Championships – Boys singles

The Boys' Singles tournament of the 2012 Asian Junior Badminton Championships was held from July 3–7 in Gimcheon, South Korea. The defending champion of the last edition was Zulfadli Zulkiffli from Malaysia. The top seeded Sameer Verma of India had lost in the semifinals to third seeded Kento Momota of Japan, while the second seeded Shesar Hiren Rhustavito from Indonesia, lost to Yuki Kaneko of Japan in fourth round. Momota finally emerged as the champion after beat Malaysian player Soong Joo Ven in the finals with the score 21–13, 22–20.

## Seeded

* Sameer Verma (semi-finals)
* Shesar Hiren Rhustavito (fourth round)
* Kento Momota (champion)
* Thammasin Sitthikom (second round)
* Khosit Phetpradab (quarter-finals)
* Soong Joo Ven (finals)
* C. Rohit Yadav (fourth round)
* Arief Gifar Ramadhan (third round)
* Ng Ka Long (quarter-finals)
* Wang Tzu-wei (quarter-finals)
* Panji Akbar Sudrajat (semi-finals)
* Pratul Joshi (second round)
* Tan Kian Meng (second round)
* Nonpakorn Nantatheero (fourth round)
* Heo Kwang-hee (third round)
* Jung Jae-wook (second round)

## Draw
### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Sameer Verma | 21 | 21 | | | | | | | | | | |
| 9 | Ng Ka Long | 5 | 19 | | | | | | | | | | |
| 9 | Ng Ka Long | 5 | 19 | | 1 | Sameer Verma | 21 | 18 | 9 | | | | |
| | | | | | 3 | Kento Momota | 13 | 21 | 21 | | | | |
| 3 | Kento Momota | 21 | 21 | | 3 | Kento Momota | 13 | 21 | 21 | | | | |
| 5 | Khosit Phetpradab | 16 | 12 | | | | | | | | | | |
| 5 | Khosit Phetpradab | 16 | 12 | | | | | | | 3 | Kento Momota | 21 | 22 |
| | | | | | | | | | | 6 | Soong Joo Ven | 13 | 20 |
| 10 | Wang Tzu-wei | 13 | 18 | | | | | | | | | | | 6 | Soong Joo Ven | 13 | 20 |
| 11 | Panji Ahmad Sudrajat | 21 | 21 | | | | | | | | | | |
| 11 | Panji Ahmad Sudrajat | 21 | 21 | | 11 | Panji Akbar Sudrajat | 21 | 18 | 11 | | | | |
| | | | | | 6 | Soong Joo Ven | 13 | 21 | 21 | | | | |
| 6 | Soong Joo Ven | 16 | 21 | 21 | 6 | Soong Joo Ven | 13 | 21 | 21 | | | | |
| | Yuki Kaneko | 21 | 18 | 15 | | | | | | | | | |

### Top Half
#### Section 1

| 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 | Fourth round |
| 1 | S Verma | 21 | 21 | | | | | | | | | | |
| | Jang H-s | 19 | 14 | | | | | | | | | | |
| | | | | | 1 | S Verma | 21 | 21 | | | | | |
| | | | | | | Yang S-j | 19 | 15 | | | | | |
| | Yang S-j | 21 | 21 | | | | | | | | | | |
| | Do T D | 12 | 10 | | | | | | | | | | |
| | | | | | | | | | 1 | S Verma | 21 | 12 | 21 |
| | | | | | | | | | | Guo K | 13 | 21 | 13 |
| 13 | Tan K M | 16 | 12 | | | | | | | | | | |
| | Guo K | 21 | 21 | | | | | | | | | | |
| | | | | | | Guo K | 21 | 21 | | | | | |
| | | | | | | F Khanjani | 5 | 8 | | | | | |
| | S Lee | 21 | 14 | 19 | | | | | | | | | |
| | F Khanjani | 17 | 21 | 21 | | | | | | | | | |

#### Section 2

| 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 |
| 8 | A G Ramadhan | 21 | 21 | | | | | | | | | | |
| | S Chugunov | 5 | 5 | | | | | | | | | | |
| | | | | | 8 | A G Ramadhan | 15 | 21 | 19 | | | | |
| | | | | | | Y Kobayashi | 21 | 15 | 21 | | | | |
| | Y Kobayashi | 21 | 21 | | | | | | | | | | |
| | D B Yatawara | 14 | 11 | | | | | | | | | | |
| | | | | | | | | | | | Y Kobayashi | 14 | 13 |
| | | | | | | | | | | 9 | Ng K L | 21 | 21 |
| 9 | Ng K L | 21 | 21 | | | | | | | | | | |
| | E Purevsuren | 9 | 4 | | | | | | | | | | |
| | | | | | 9 | Ng K L | 21 | 21 | | | | | |
| | | | | | | T Thawornwong | 12 | 7 | | | | | |
| | T Thawornwong | 21 | 16 | 21 | | | | | | | | | |
| | M A Hossain | 2 | 21 | 7 | | | | | | | | | |

#### Section 3

| 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 |
| 3 | K Momota | 21 | 21 | | | | | | | | | |
| | K Kulmatov | 3 | 9 | | | | | | | | | |
| | | | | 3 | K Momota | 21 | 21 | | | | | |
| | | | | | F I Hadmadi | 14 | 13 | | | | | |
| | Lan W-h | 11 | 13 | | | | | | | | | |
| | F I Hadmadi | 21 | 21 | | | | | | | | | |
| | | | | | | | | | 3 | K Momota | 21 | 21 |
| | | | | | | | | | | Lee C Y | 16 | 17 |
| 15 | Heo K-h | 21 | 21 | | | | | | | | | |
| | A Nyyazgulyyev | 2 | 2 | | | | | | | | | |
| | | | | 15 | Heo K-h | 19 | 21 | 18 | | | | |
| | | | | | Lee C Y | 21 | 18 | 21 | | | | |
| | Lee C Y | 21 | 21 | | | | | | | | | |
| | Pham H N | 14 | 11 | | | | | | | | | |

#### Section 4

| 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 | K Phetpradab | 23 | 21 | | | | | | | | | |
| | Kim D-h | 21 | 19 | | | | | | | | | |
| | | | | | 5 | K Phetpradab | 21 | 21 | | | | |
| | | | | | | Lei I M | 6 | 8 | | | | |
| | B Appakhodjaev | 15 | 12 | | | | | | | | | |
| | Lei I M | 21 | 21 | | | | | | | | | |
| | | | | | | | | | 5 | K Phetpradab | 21 | 21 |
| | | | | | | | | | | Cheam J W | 9 | 11 |
| 12 | P Joshi | 21 | 18 | 19 | | | | | | | | |
| | Cheam J W | 18 | 21 | 21 | | | | | | | | |
| | | | | | | Cheam J W | 21 | 21 | | | | |
| | | | | | | B Ong | 11 | 15 | | | | |
| | M Vibhavi | 21 | 16 | 8 | | | | | | | | |
| | B Ong | 14 | 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 | Third round | Fourth round | Fourth round | Fourth round | Fourth round |
| Chong Y H | 13 | 19 | | | | | | | | | | | | | |
| Jeon H-j | 21 | 21 | | Jeon H-j | 21 | 21 | | | | | | | | | |
| | | | | P Sopyyev | 0 | 5 | | | | | | | | | |
| | | | | | | | | Jeon H-j | 20 | 20 | | | | | |
| | | | | | | | 10 | Wang T-w | 22 | 22 | | | | | |
| | | | | P K Hettiarachchi | 6 | 12 | | | | | | | | | |
| | | | 10 | Wang T-w | 21 | 21 | | | | | | | | | |
| | | | | | | | | | | | | 10 | Wang T-w | 21 | 21 |
| | | | | | | | | | | | | 7 | R Yadav | 17 | 13 |
| | | | | A bin Jaman | 4 | 6 | | | | | | | | | |
| | | | | Shi YQ | 21 | 21 | | | | | | | | | |
| | | | | | | | | Shi YQ | 18 | 21 | 15 | | | | |
| | | | | | | | 7 | R Yadav | 21 | 19 | 21 | | | | |
| | | | | Lou H M | 8 | 10 | | | | | | | | | |
| | | | 7 | R Yadav | 21 | 21 | | | | | | | | | |

#### Section 6

| Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round |
| | L Teng | 21 | 21 | | | | | | | | |
| | M Shahbazi | 12 | 13 | | | | | | | | |
| | | | | | L Teng | 16 | 13 | | | | |
| | | | | 11 | P A Sudrajat | 21 | 21 | | | | |
| | B Munkhbat | 4 | 5 | | | | | | | | |
| 11 | P A Sudrajat | 21 | 21 | | | | | | | | |
| | | | | | | | | 11 | P A Sudrajat | 21 | 21 |
| | | | | | | | | | K Nishimoto | 16 | 19 |
| | Ngo X T | 17 | 13 | | | | | | | | |
| | Chang T C | 21 | 21 | | | | | | | | |
| | | | | | Chang T C | 15 | 12 | | | | |
| | | | | | K Nishimoto | 21 | 21 | | | | |
| | K Nishimoto | 24 | 21 | | | | | | | | |
| 4 | T Sitthikom | 22 | 14 | | | | | | | | |

#### Section 7

| 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 Savatyugin | 21 | 21 | | | | | | | | | |
| | M De Silva | 10 | 14 | | | | | | | | | |
| | | | | | A Savatyugin | 8 | 15 | | | | | |
| | | | | 14 | N Nantatheero | 21 | 21 | | | | | |
| | Pham C C | 14 | 19 | | | | | | | | | |
| 14 | N Nantatheero | 21 | 21 | | | | | | | | | |
| | | | | | | | | | 14 | N Nantatheero | 14 | 20 |
| | | | | | | | | | 6 | Soong J V | 21 | 22 |
| | Tang C M | 18 | 13 | | | | | | | | | |
| | Kim D-j | 21 | 21 | | | | | | | | | |
| | | | | | Kim D-j | 21 | 13 | 18 | | | | |
| | | | | 6 | Soong J V | 9 | 21 | 21 | | | | |
| | D Dhami | 11 | 14 | | | | | | | | | |
| 6 | Soong J V | 21 | 21 | | | | | | | | | |

#### Section 8

| 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 |
| | Y Kaneko | 21 | 21 | | | | | | | | | | |
| | A Yelegar | 16 | 13 | | | | | | | | | | |
| | | | | | | Y Kaneko | 21 | 11 | 21 | | | | |
| | | | | | | Xue S | 16 | 21 | 12 | | | | |
| | Xue S | 21 | 21 | | | | | | | | | | |
| 16 | Jung J-w | 15 | 16 | | | | | | | | | | |
| | | | | | | | | | | | Y Kaneko | 21 | 21 |
| | | | | | | | | | | 2 | S H Rhustavito | 19 | 18 |
| | S Sadeghi | 18 | 21 | 8 | | | | | | | | | |
| | Hung C-c | 21 | 19 | 21 | | | | | | | | | |
| | | | | | | Hung C-c | 9 | 11 | | | | | |
| | | | | | 2 | S H Rhustavito | 21 | 21 | | | | | |
| | M A bin Ishak | 11 | 14 | | | | | | | | | | |
| 2 | S H Rhustavito | 21 | 21 | | | | | | | | | | |