Swimming at the 2018 Asian Games – Men's 50 metre breaststroke
# Swimming at the 2018 Asian Games – Men's 50 metre breaststroke

The men's 50 metre breaststroke event at the 2018 Asian Games took place on 24 August at the Gelora Bung Karno Aquatic Stadium.

## Schedule

All times are Western Indonesia Time (UTC+07:00)

| Date | Time | Event |
| - | - | - |
| Friday, 24 August 2018 | 09:08 | Heats |
| Friday, 24 August 2018 | 18:06 | Final |

## Records

Prior to this competition, the existing world, Asian and Games records were as follows.

| World Record | Adam Peaty (GBR) | 25.95 | Budapest, Hungary | 25 July 2017 |
| - | - | - | - | - |
| Asian Record | Yasuhiro Koseki (JPN) | 26.94 | Monte Carlo, Monaco | 17 June 2018 |
| Games Record | Yasuhiro Koseki (JPN) | 27.33 | Jakarta, Indonesia | 22 August 2018 |

## Results

### Heats

| Rank | Heat | Athlete | Time | Notes |
| - | - | - | - | - |
| 1 | 4 | Yan Zibei (CHN) | 27.06 | GR |
| 2 | 5 | Yasuhiro Koseki (JPN) | 27.28 | |
| 3 | 5 | Vladislav Mustafin (UZB) | 27.41 | |
| 4 | 4 | Sun Jiajun (CHN) | 27.48 | |
| 5 | 5 | Dmitriy Balandin (KAZ) | 27.53 | |
| 6 | 1 | Sandeep Sejwal (IND) | 27.95 | |
| 7 | 4 | Daiya Seto (JPN) | 27.97 | |
| 7 | 5 | Chao Man Hou (MAC) | 27.97 | |
| 9 | 3 | Lionel Khoo (SGP) | 28.19 | |
| 10 | 3 | Kim Jae-youn (KOR) | 28.24 | |
| 11 | 3 | Moon Jae-kwon (KOR) | 28.26 | |
| 12 | 5 | Aibek Kamzenov (KAZ) | 28.29 | |
| 13 | 4 | Gagarin Nathaniel (INA) | 28.32 | |
| 14 | 4 | Wu Chun-feng (TPE) | 28.42 | |
| 15 | 3 | Azad Al-Barazi (SYR) | 28.53 | |
| 16 | 3 | Denis Petrashov (KGZ) | 28.73 | |
| 17 | 4 | Indra Gunawan (INA) | 28.76 | |
| 18 | 4 | Christopher Cheong (SGP) | 29.09 | |
| 19 | 5 | Ng Yan Kin (HKG) | 29.28 | |
| 20 | 5 | Mehdi Ansari (IRI) | 29.35 | |
| 21 | 5 | Foong Wei Tze (MAS) | 29.51 | |
| 22 | 2 | Amro Al-Wir (JOR) | 29.58 | |
| 23 | 3 | Chou Kit (MAC) | 29.61 | |
| 24 | 3 | Radomyos Matjiur (THA) | 29.62 | |
| 25 | 4 | Phạm Thanh Bảo (VIE) | 29.75 | |
| 26 | 2 | Günsennorovyn Zandanbal (MGL) | 29.96 | |
| 27 | 2 | Abdulaziz Al-Obaidly (QAT) | 31.43 | |
| 28 | 2 | Batyr Täçmyradow (TKM) | 31.53 | |
| 29 | 3 | Wong Chun Yan (HKG) | 31.65 | |
| 30 | 2 | Batmönkhiin Jürmed (MGL) | 32.00 | |
| 31 | 2 | Youssef Hesham Mohamed (QAT) | 32.23 | |
| 32 | 2 | Shuvam Shrestha (NEP) | 32.45 | |
| 33 | 2 | Muhammad Hamza Malik (PAK) | 33.20 | |
| 34 | 1 | Ramziyor Khorkashov (TJK) | 35.21 | |
| 35 | 1 | Hussain Haish Hassan (MDV) | 35.85 | |
| 36 | 1 | Hassan Ashraf (MDV) | 36.32 | |

### Final

| Rank | Athlete | Time |
| - | - | - |
| | Yasuhiro Koseki (JPN) | 27.07 |
| | Yan Zibei (CHN) | 27.25 |
| | Dmitriy Balandin (KAZ) | 27.46 |
| 4 | Sun Jiajun (CHN) | 27.65 |
| 5 | Vladislav Mustafin (UZB) | 27.72 |
| 6 | Chao Man Hou (MAC) | 27.91 |
| 7 | Sandeep Sejwal (IND) | 27.98 |
| 8 | Daiya Seto (JPN) | 28.00 |
