| Final 18:39 | time | | L | | 1. Zhang Yufei |  China | 2:06.61 | | 5 | | 2. Sachi Mochida |  Japan | 2:08.72 | | 3 | | 3. Suzuka Hasegawa | Japan | 2:08.80 | | 4 | | 4. An Se-hyeon |  South Korea | 2:08.83 | | 2 | | 5. Quah Jing Wen |  Singapore | 2:12.01 | | 7 | | 6. Yu Liyan | China | 2:12.61 | | 8 | | 7. Lê Thị Mỹ Thảo |  Vietnam | 2:13.93 | | 6 | | 8. Adinda Larasati Dewi |  Indonesia | 2:14.54 | | 1 |
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| Venue: GBK Aquatic Center. |
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Heats - Wednesday 22.08 Morning session 09:37 |
| Ranking | time | | L | H | | 1. Suzuka Hasegawa | Japan | 2:09.95 | Q | 5 | 2 | | 2. Zhang Yufei | China | 2:10.83 | Q | 5 | 1 | | 3. Sachi Mochida | Japan | 2:11.87 | Q | 4 | 2 | | 4. Lê Thị Mỹ Thảo | Vietnam | 2:12.14 | Q | 3 | 1 | | 5. An Se-hyeon | South Korea | 2:12.22 | Q | 4 | 1 | | 6. Quah Jing Wen | Singapore | 2:13.35 | Q | 6 | 2 | | 7. Adinda Larasati Dewi | Indonesia | 2:14.10 | Q | 6 | 1 | | 8. Yu Liyan | China | 2:14.56 | Q | 3 | 2 | | eliminated in Heats | | 9. Azzahra Permatahani | Indonesia | 2:17.56 | | 8 | 2 | | 10.Park Ye-rin | South Korea | 2:18.71 | | 2 | 2 | | 11.Karen Liu |  Hong Kong | 2:23.86 | | 7 | 1 | | 12.Katii Tang | Hong Kong | 2:30.08 | | 2 | 1 | | 13.Enkhkhuslen Batbayar |  Mongolia | 2:40.50 | | 7 | 2 | | 14.Kherlen Altanshagai | Mongolia | 2:52.60 | | 1 | 2 | | 15.Anmau Ahmed Saleem |  Maldives | 3:34.62 | | 1 | 1 |
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