Heat 1
| Place | Rank | Athlete | Country | Time |
| 1. | 28. | Anshul Kithari | India | 23.83 |
| 2. | 31. | Abdul Razzaq Waleed Ih Mam | Kuwait | 23.89 |
| 3. | 33. | Yousif Haviv Bu Arish | Saudi Arabia | 24.39 |
| 4. | 51. | Ali Asghar Nazari | Afghanistan | 29.34 |
Heat 2
| Place | Rank | Athlete | Country | Time |
| 1. | 42. | Muhammad Yahya Khan | Pakistan | 25.50 |
| 2. | 45. | Lojy Juwaihan | Palestine | 26.15 |
| 3. | 46. | Sirish Gurung | Nepal | 26.33 |
| 4. | 47. | Santisouk Inthavong | Laos | 26.62 |
| 5. | 48. | Alijon Kahirulloev | Tajikistan | 27.16 |
| 6. | 49. | Imaan Ali | Maledives | 27.60 |
| 7. | 50. | Ashra Hassan | Maledives | 28.88 |
Heat 3
| Place | Rank | Athlete | Country | Time |
| 1. | 12. | Seo Min-suk | South Korea | 22.88 |
| 2. | 37. | Noah Al-Kulaifi | Qatar | 24.64 |
| 3. | 38. | Issa Samir Hamed Al-Adawi | Oman | 24.68 |
| 4. | 39. | Yacob Al-Khulaifi | Qatar | 24.89 |
| 5. | 40. | Zandanbai Gunsemorov | Mongolia | 25.12 |
| 6. | 41. | Olimjon Ishanov | Tajikistan | 25.43 |
| 7. | 43. | Thol Thoeun | Cambodia | 25.80 |
| 8. | 44. | Buyantogtokh Boldbaatar | Mongolia | 25.86 |
Heat 4
| Place | Rank | Athlete | Country | Time |
| 1. | 22. | Andrew James Newling | Thailand | 23.48 |
| 2. | 25. | Ngou Pok Man | Macau | 23.67 |
| 3. | 26. | Anthony Barbar | Lebanon | 23.79 |
| 4. | 27. | Mokhar Al-Yamani | Yemen | 23.80 |
| 5. | 30. | Jeremy Wong | Hong Kong | 23.85 |
| 6. | 32. | Foong Wei Tze | Malaysia | 24.17 |
| 7. | 34. | Ngo Dinh Chuyen | Vietnam | 24.49 |
| 8. | 36. | Mohammad Mahfizur Rahman | Bangladesh | 24.54 |
Heat 5
| Place | Rank | Athlete | Country | Time |
| 1. | 3. | Virdhawal Khade | India | 22.43 |
| 2. | 7. | Shunichi Nakao | Japan | 22.62 |
| 3. | 9. | Alexandr Varakin | Kazakhstan | 22.72 |
| 4. | 14. | Triady Fauzi Sidiq | Indonesia | 22.95 |
| 5. | 17. | Joseph Schooling | Singapore | 23.05 |
| 6. | 21. | Keith Lim Kit Sem | Malaysia | 23.37 |
| 7. | 24. | Raymond Sumitra Lukman | Indonesia | 23.66 |
| 8. | 28. | Mohammed Bedour | Jordan | 23.83 |
Heat 6
| Place | Rank | Athlete | Country | Time |
| 1. | 1. | Yu Hexin | China | 22.21 |
| 2. | 5. | Teong Tzen Wei | Sigapore | 22.56 |
| 3. | 6. | Lin Chien-liang | Chinese Taipei | 22.60 |
| 4. | 10. | Yang Jae-hoon | South Korea | 22.77 |
| 5. | 12. | Matthew Abeysinghe | Sri Lanka | 22.88 |
| 6. | 18. | Aleksey Tarasenko | Uzbekistan | 23.08 |
| 7. | 23. | Sina Gholampour | Iran | 23.54 |
| 8. | 35. | Lao Kuan Fong | Macau | 24.50 |
Heat 7
| Place | Rank | Athlete | Country | Time |
| 1. | 2. | Kenneth To | Hong Kong | 22.38 |
| 2. | 4. | Katsumi Nakamura | Japan | 22.50 |
| 3. | 8. | Adilbek Mussin | Kazakhstan | 22.63 |
| 4. | 11. | Zhao Xanjian | China | 22.86 |
| 5. | 14. | Wu Chon-feng | Chinese Taipei | 22.95 |
| 6. | 16. | Kurshdjon Tursunov | Uzbekistan | 23.02 |
| 7. | 19. | Benyamin Gharehhassanloo | Iran | 23.11 |
| 8. | 20. | Kyle Abeysinghe | Sri Lanka | 23.36 |
Final
| Place | Athlete | Country | Time |
| 1. | Yu Hexin | China | 22.11 |
| 2. | Katsumi Nakamura | Japan | 22.20 |
| 3. | Shunichi Nakao | Japan | 22.46 |
| 4. | Vindhawal Khade | India | 22.47 |
| 5. | Kenneth To | Hong Kong | 22.54 |
| 6. | Teong Tzen Wei | Singapore | 22.59 |
| 7. | Adilbek Mussin | Kazakhstan | 22.64 |
| 8. | Lin Chien-liang | Chinese Taipei | 22.67 |