2013 Asian Junior Badminton Championships – Boys singles
The Boys' Singles tournament of the 2013 Asian Junior Badminton Championships was held from July 10–14 in Kota Kinabalu, Malaysia. The defending champion of the last edition was Kento Momota from Japan. Thammasin Sitthikom of Thailand who standing in the top seeds was defeated by the No.5 seeded Soo Teck Zhi of Malaysia in the semifinals, while the second seeded Soong Joo Ven of Malaysia fell in the quarterfinals to Jeon Hyuk-jin of South Korea. Soo Teck Zhi emerged as the champion after beat Jeon Hyuk-jin in the finals with the score 21–17, 13–21, 21–15.Seeded
- Thammasin Sitthikom '
- Soong Joo Ven '
- Pannawit Thongnuam '
- Heo Kwang-hee '
- Soo Teck Zhi
- Harsheel Dani '
- Wang Tzu-wei '
- Fikri Ihsandi Hadmadi '
- Jeon Hyuk-jin '
- Chang Tak Ching '
- Kittiphon Chairojkanjana '
- Cheam June Wei '
- Lee Cheuk Yiu '
- Ihsan Maulana Mustofa '
- Aditya Joshi '
- Yugo Kobayashi
Draw
Finals
Top Half
Section 1
Section 2
Section 3
Section 4
Bottom half
Section 5
Section 6
Section 7
Section 8