# 2018 BWF World Junior Championships – Boys' singles

The boys' singles of the tournament 2018 BWF World Junior Championships was held on 12–18 November. The defending champions of the last edition is Kunlavut Vitidsarn from Thailand.

## Seeds

Click on the seed number of a player to go to their draw section.

## Draw
### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Finals | Finals | Finals | Finals |
| 1 | Kunlavut Vitidsarn | 21 | 21 | | | | | | | | | | |
| 12 | Alberto Alvin Yulianto | 14 | 17 | | | | | | | | | | |
| 12 | Alberto Alvin Yulianto | 14 | 17 | | 1 | Kunlavut Vitidsarn | 20 | 21 | 21 | | | | |
| | | | | | 4 | Lakshya Sen | 22 | 16 | 13 | | | | |
| 4 | Lakshya Sen | 21 | 21 | | 4 | Lakshya Sen | 22 | 16 | 13 | | | | |
| | Aidil Sholeh | 8 | 18 | | | | | | | | | | |
| | Aidil Sholeh | 8 | 18 | | | | | | | 1 | Kunlavut Vitidsarn | 21 | 21 |
| | | | | | | | | | | | Kodai Naraoka | 9 | 11 |
| 6 | Nhat Nguyen | 21 | 10 | 14 | | | | | | | | | | Kodai Naraoka | 9 | 11 |
| 3 | Li Shifeng | 19 | 21 | 21 | | | | | | | | | |
| 3 | Li Shifeng | 19 | 21 | 21 | 3 | Li Shifeng | 11 | 21 | 17 | | | | |
| | | | | | | Kodai Naraoka | 21 | 19 | 21 | | | | |
| | Kodai Naraoka | 21 | 21 | | | Kodai Naraoka | 21 | 19 | 21 | | | | |
| | Ng Tze Yong | 19 | 8 | | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | 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 |
| | | | | | 1 | K Vitidsarn | 21 | 21 | | | | | | | | |
| | M Cardona | 12 | 20 | | | B Holtschke | 12 | 10 | | | | | | | | |
| | B Holtschke | 21 | 21 | | | | | | 1 | K Vitidsarn | 21 | 21 | | | | |
| | U O Shah | 4 | 6 | | | | | | | Liu L | 17 | 16 | | | | |
| | J Apiliga | 21 | 21 | | | J Apiliga | 12 | 9 | | | | | | | | |
| | K Budny | 7 | 8 | | | Liu L | 21 | 21 | | | | | | | | |
| | Liu L | 21 | 21 | | | | | | | | | | 1 | K Vitidsarn | 21 | 21 |
| 15 | J Koh | 21 | 21 | | | | | | | | | | | H Huang | 9 | 7 |
| | N Punchihewa | 6 | 15 | | 15 | J Koh | 18 | 8 | | | | | | | | |
| | D Koppen | 18 | 17 | | | P Rajawat | 21 | 21 | | | | | | | | |
| | P Rajawat | 21 | 21 | | | | | | | P Rajawat | 11 | 16 | | | | |
| | J Horak | 6 | 5 | | | | | | | H Huang | 21 | 21 | | | | |
| | H Huang | 21 | 21 | | | H Huang | 21 | 21 | | | | | | | | |
| | E Emuddu | 21 | 17 | 10 | | R Summers | 4 | 9 | | | | | | | | |
| | R Summers | 10 | 21 | 21 | | | | | | | | | | | | |

#### 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 | Fourth round | Fourth round | Fourth round | Fourth round |
| | | | | 5 | A Merklé | 21 | 21 | | | | | | | | | |
| | T Kato | 21 | 21 | | T Kato | 19 | 18 | | | | | | | | | |
| | Jeong U-m | 11 | 19 | | | | | | 5 | A Merklé | 19 | 12 | | | | |
| | Lee R H | 12 | 7 | | | | | | | C Adinata | 21 | 21 | | | | |
| | C Adinata | 21 | 21 | | C Adinata | 21 | 21 | | | | | | | | | |
| | S Gunatilleke | 19 | 19 | | A Zheng | 11 | 13 | | | | | | | | | |
| | A Zheng | 21 | 21 | | | | | | | | | | | C Adinata | 19 | 16 |
| 12 | A A Yulianto | 21 | 21 | | | | | | | | | | 12 | A A Yulianto | 21 | 21 |
| | C Hammarberg | 17 | 15 | 12 | A A Yulianto | 21 | 21 | | | | | | | | | |
| | E Lau | 21 | 21 | | E Lau | 16 | 5 | | | | | | | | | |
| | I Medynskiy | 16 | 8 | | | | | | 12 | A A Yulianto | 21 | 21 | | | | |
| | R Ichii | 21 | 21 | | | | | | | R Ichii | 13 | 13 | | | | |
| | A A Myrini | 6 | 5 | | R Ichii | 14 | 21 | 21 | | | | | | | | |
| | S Enkhbat | 13 | 15 | | P Yan | 21 | 16 | 17 | | | | | | | | |
| | P Yan | 21 | 21 | | | | | | | | | | | | | |

#### Section 3

| First round | First round | 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 |
| | | | | | 4 | L Sen | 21 | 21 | | | | | | | | | |
| | S de la Oliva | 11 | 9 | | | A Gaitan | 13 | 9 | | | | | | | | | |
| | A Gaitan | 21 | 21 | | | | | | 4 | L Sen | 21 | 21 | | | | | |
| | K Meusburger | 21 | 21 | | | | | | | G Toti | 7 | 13 | | | | | |
| | A M N Vaheed | 6 | 7 | | | K Meusburger | 8 | 10 | | | | | | | | | |
| | G Toti | 21 | 21 | | | G Toti | 21 | 21 | | | | | | | | | |
| | J Kral | 12 | 15 | | | | | | | | | | 4 | L Sen | 15 | 21 | 21 |
| 9 | Chen S-c | 21 | 21 | | | | | | | | | | 9 | Chen S-c | 21 | 17 | 14 |
| | T Jeffrey | 7 | 15 | | 9 | Chen S-c | 21 | 21 | | | | | | | | | |
| | F Farias | 21 | 21 | | | F Farias | 16 | 6 | | | | | | | | | |
| | J Azelius | 12 | 11 | | | | | | 9 | Chen S-c | 21 | 21 | | | | | |
| | M Barth | 21 | 21 | | | | | | | Karono | 15 | 9 | | | | | |
| | R Tang | 15 | 10 | | | M Barth | 8 | 15 | | | | | | | | | |
| | Karono | 21 | 21 | 21 | | Karono | 21 | 21 | | | | | | | | | |
| | M Kicklitz | 11 | 23 | 13 | | | | | | | | | | | | | |

#### Section 4

| First round | 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 |
| 7 | Bai YP | 21 | 21 | | | | | | | | | | | | | | |
| | M Solanki | 5 | 3 | | 7 | Bai YP | 21 | 16 | 13 | | | | | | | | |
| | Park H-s | 21 | 21 | | | Park H-s | 8 | 21 | 21 | | | | | | | | |
| | G Saavedra | 8 | 10 | | | | | | | | Park H-s | 21 | 17 | 18 | | | |
| | I Batalha | 15 | 11 | | | | | | | | A S Ali Sadikin | 19 | 21 | 21 | | | |
| | A Pringle | 21 | 21 | | | A Pringle | 6 | 7 | | | | | | | | | |
| | Ko S H | 17 | 21 | 14 | | A S Ali Sadikin | 21 | 21 | | | | | | | | | |
| | A S Ali Sadikin | 21 | 19 | 21 | | | | | | | | | | | A S Ali Sadikin | 21 | 21 |
| 14 | B Yang | 21 | 21 | | | | | | | | | | | | R Hatano | 19 | 13 |
| | D Subauste | 10 | 8 | | 14 | B Yang | 21 | 21 | | | | | | | | | |
| | T Coelho | 14 | 4 | | | O Sunekaer | 10 | 16 | | | | | | | | | |
| | O Sunekaer | 21 | 21 | | | | | | | 14 | B Yang | 11 | 10 | | | | |
| | R Hatano | 21 | 11 | 21 | | | | | | | R Hatano | 21 | 21 | | | | |
| | C Savin | 17 | 21 | 11 | | R Hatano | 21 | 21 | | | | | | | | | |
| | A Nguyen | 21 | 15 | 21 | | A Nguyen | 7 | 13 | | | | | | | | | |
| | N A. Mueller | 18 | 21 | 14 | | | | | | | | | | | | | |

### Bottom half
#### Section 5

| First round | 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 |
| | Mak P N | 21 | 21 | | | | | | | | | | | | | | | |
| | F Achthoven | 14 | 12 | | | Mak P N | 13 | 21 | 21 | | | | | | | | | |
| | M Szymanowski | 15 | 21 | 14 | | D Abeywickrama | 21 | 7 | 11 | | | | | | | | | |
| | D Abeywickrama | 21 | 15 | 21 | | | | | | | Mak P N | 21 | 17 | 11 | | | | |
| | O Guo | 19 | 17 | | | | | | | | S Piyawatcharavijit | 11 | 21 | 21 | | | | |
| | S Piyawatcharavijit | 21 | 21 | | | S Piyawatcharavijit | '21 | 21 | | | | | | | | | | |
| | T Toledano | 21 | 20 | 14 | 11 | J Carraggi | 15 | 18 | | | | | | | | | | |
| 11 | J Carraggi | 18 | 22 | 21 | | | | | | | | | | | | S Piyawatcharavijit | 14 | 13 |
| | C Popov | 19 | 17 | | | | | | | | | | | | 6 | N Nguyen | 21 | 21 |
| | Yu S-p | 21 | 21 | | | Yu S-p | 8 | 20 | | | | | | | | | | |
| | J Matias | 21 | 21 | | | J Matias | 21 | 22 | | | | | | | | | | |
| | J Janostik | 19 | 12 | | | | | | | | J Matias | 9 | 9 | | | | | |
| | R Zheng | 21 | 21 | | | | | | | 6 | N Nguyen | 21 | 21 | | | | | |
| | J Rodriguez | 18 | 19 | | | R Zheng | 9 | 6 | | | | | | | | | | |
| | E Baroni | 8 | 12 | | 6 | N Nguyen | 21 | 21 | | | | | | | | | | |
| 6 | N Nguyen | 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 | Fourth round | Fourth round | Fourth round | Fourth round |
| | J Hansson | 21 | 21 | | | | | | | | | | | | |
| | J Djurhuus | 13 | 15 | | J Hansson | 8 | 16 | | | | | | | | |
| | N Macisa | 12 | 10 | | Choi J-h | 21 | 21 | | | | | | | | |
| | Choi J-h | 21 | 21 | | | | | | Choi J-h | 21 | 21 | | | | |
| | N Rudolf | 21 | 28 | | | | | 16 | D Bosniuk | 19 | 19 | | | | |
| | R Tong | 17 | 26 | | N Rudolf | 13 | 18 | | | | | | | | |
| | Yap R K | 11 | 17 | 16 | D Bosniuk | 21 | 21 | | | | | | | | |
| 16 | D Bosniuk | 21 | 21 | | | | | | | | | | Choi J-h | 13 | 11 |
| | M Johannesen | 21 | 21 | | | | | | | | | 3 | Li SF | 21 | 21 |
| | B Kasirye | 12 | 8 | | M Johannesen | 19 | 19 | | | | | | | | |
| | Y Orteu | 14 | 8 | | A Mishra | 21 | 21 | | | | | | | | |
| | A Mishra | 21 | 21 | | | | | | A Mishra | 15 | 12 | | | | |
| | Lee W H | 21 | 21 | | | | | 3 | Li SF | 21 | 21 | | | | |
| | Lee H-j | 16 | 17 | | Lee W H | 12 | 12 | | | | | | | | |
| | | | | 3 | Li SF | 21 | 21 | | | | | | | | |

#### Section 7

| First round | 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 |
| | Wu C-e | 10 | 11 | | | | | | | | | | | | | | |
| | Zhang WY | 21 | 21 | | | Zhang WY | 21 | 21 | | | | | | | | | |
| | K Kalyanasundaram | 21 | 21 | | | K Kalyanasundaram | 5 | 5 | | | | | | | | | |
| | U O Shah | 2 | 7 | | | | | | | | Zhang WY | 21 | 21 | | | | |
| | Z Russ | 21 | 18 | 21 | | | | | | | R Oupthong | 7 | 13 | | | | |
| | Pui P F | 11 | 21 | 9 | | Z Russ | 21 | 18 | 16 | | | | | | | | |
| | R Oupthong | 21 | 21 | | | R Oupthong | 13 | 21 | 21 | | | | | | | | |
| 10 | C Grimley | 11 | 13 | | | | | | | | | | | | Zhang WY | 20 | 16 |
| | R Tremoceiro | 11 | 12 | | | | | | | | | | | | K Naraoka | 22 | 21 |
| | K Naraoka | 21 | 21 | | | K Naraoka | 21 | 21 | | | | | | | | | |
| | J Elliott | 12 | 9 | | | Y Gaudin | 15 | 10 | | | | | | | | | |
| | Y Gaudin | 21 | 21 | | | | | | | | K Naraoka | 21 | 18 | 21 | | | |
| | M S Luis | 18 | 13 | | | | | | | 8 | J Teh | 10 | 21 | 16 | | | |
| | Teoh K C | 21 | 21 | | | Teoh K C | 17 | 17 | | | | | | | | | |
| | | | | | 8 | J Teh | 21 | 21 | | | | | | | | | |

#### Section 8

| First round | 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 |
| | A M. Jacobsen | 13 | 16 | | | | | | | | | | | | | | |
| | J Osthassel | 21 | 21 | | | J Osthassel | 10 | 7 | | | | | | | | | |
| | Ng T Y | 18 | 21 | 21 | | Ng T Y | 21 | 21 | | | | | | | | | |
| | S Jamsri | 21 | 18 | 13 | | | | | | Ng T Y | 21 | 16 | 21 | | | | |
| | A Niczyporuk | 21 | 21 | | | | | | 13 | L Resch | 17 | 21 | 13 | | | | |
| | T Gombodorj | 14 | 15 | | | A Niczyporuk | 6 | 10 | | | | | | | | | |
| | G Beketov | 13 | 11 | | 13 | L Resch | 21 | 21 | | | | | | | | | |
| 13 | L Resch | 21 | 21 | | | | | | | | | | | | Ng T Y | 21 | 21 |
| | A Haynes | 8 | 7 | | | | | | | | | | | 2 | I Rumbay | 13 | 5 |
| | A Antoska | 21 | 21 | | | A Antoska | 18 | 14 | | | | | | | | | |
| | K George | 21 | 21 | | | K George | 21 | 21 | | | | | | | | | |
| | K Wang | 17 | 12 | | | | | | | K George | 21 | 19 | 17 | | | | |
| | W Goh | | | | | | | | 2 | I Rumbay | 12 | 21 | 21 | | | | |
| | B Norden | w | / | o | | B Norden | 10 | 8 | | | | | | | | | |
| | | | | | 2 | I Rumbay | 21 | 21 | | | | | | | | | |