| Final 18:06 | time | | L | | 1. Li Bingjie |  China | 1:56.74 | 3 | | 2. Yang Junxuan | China | 1:57.48 | 5 | | 3. Chihiro Igarashi |  Japan | 1:57.49 | 4 | | 4. Yui Ohashi | Japan | 2:00.29 | 2 | | 5. Natthanan Junkrajang |  Thailand | 2:01.67 | 7 | | 6. Camille Cheng |  Hong Kong | 2:01.95 | 6 | | 7. Kornkarnjana Sapianchai | Thailand | 2:01.96 | 8 | | 8. Jasmine Alkhaldi |  Philippines | 2:03.24 | 1 |
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| Venue: GBK Aquatic Center. |
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Heats - Wednesday 22.08 Morning session 09:13 |
| Ranking | time | | L | H | | 1. Chihiro Igarashi | Japan | 2:00.21 | Q | 4 | 1 | | 2. Yang Junxuan | China | 2:01.30 | Q | 4 | 3 | | 3. Li Bingjie | China | 2:01.43 | Q | 4 | 2 | | 4. Camille Cheng | Hong Kong | 2:01.68 | Q | 3 | 1 | | 5. Yui Ohashi | Japan | 2:02.41 | Q | 5 | 3 | | 6. Natthanan Junkrajang | Thailand | 2:02.49 | Q | 6 | 3 | | 7. Jasmine Alkhaldi | Philippines | 2:02.53 | Q | 3 | 3 | | 8. Kornkarnjana Sapianchai | Thailand | 2:02.55 | Q | 2 | 3 | | eliminated in Heats | | 9. Kim Jin-ha |  South Korea | 2:03.11 | | 3 | 2 | | 10.Christie Chue |  Singapore | 2:03.78 | | 6 | 2 | | 11.Ho Nam Wai | Hong Kong | 2:04.05 | | 5 | 2 | | 12.Ressa Kania Dewi |  Indonesia | 2:04.78 | | 6 | 1 | | 13.Choi Jung-min | South Korea | 2:04.90 | | 5 | 1 | | 14.Sagita Putri Krisdewanti | Indonesia | 2:06.75 | | 8 | 1 | | 15.Elizaveta Rogozhnikova |  Kyrgyzstan | 2:07.92 | | 2 | 1 | | 16.Cherlyn Yeoh | Singapore | 2:07.96 | | 2 | 2 | | 17.Mai Thị Linh |  Vietnam | 2:08.85 | | 7 | 3 | | 18.Gabriella Doueihy |  Lebanon | 2:09.84 | | 7 | 2 | | 19.Gaurika Singh |  Nepal | 2:12.53 | | 7 | 1 | | 20.Choi Weng Tong |  Macau | 2:16.32 | | 1 | 3 | | 21.Long Chi Wai | Macau | 2:19.04 | | 1 | 2 | | 22.Miraal Zahra Haque |  Pakistan | 2:29.07 | | 8 | 3 | | 23.Kherlen Altanshagai |  Mongolia | 2:33.53 | | 1 | 1 | | 24.Imelda Felicyta Ximenes Belo |  East Timor | 2:56.50 | | 8 | 2 |
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