| Final 19:11 | time | | L | | 1. Satomi Suzuki |  Japan | 1:06.40 | GR | 4 | | 2. Reona Aoki | Japan | 1:06.45 | | 5 | | 3. Shi Jinglin |  China | 1:07.36 | | 3 | | 4. Yu Jingyao | China | 1:07.44 | | 2 | | 5. Kim Hye-jin |  South Korea | 1:08.34 | | 7 | | 6. Jamie Yeung |  Hong Kong | 1:08.75 | | 6 | | 7. Back Su-yeon | South Korea | 1:08.83 | | 8 | | 8. Phee Jinq En |  Malaysia | 1:09.01 | | 1 |
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| Venue: GBK Aquatic Center. |
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Heats - Sunday 19.08 Morning session 10:05 |
| Ranking | time | | L | H | | 1. Satomi Suzuki | Japan | 1:06.92 | Q | 4 | 3 | | 2. Reona Aoki | Japan | 1:07.24 | Q | 4 | 4 | | 3. Shi Jinglin | China | 1:07.68 | Q | 5 | 4 | | 4. Jamie Yeung | Hong Kong | 1:07.86 | Q | 6 | 3 | | 5. Yu Jingyao | China | 1:08.52 | Q | 4 | 2 | | 6. Kim Hye-jin | South Korea | 1:08.64 | Q | 5 | 3 | | 7. Phee Jinq En | Malaysia | 1:08.83 | Q | 3 | 4 | | 8. Back Su-yeon | South Korea | 1:09.08 | Q | 5 | 2 | | eliminated in Heats | | 9. Lin Pei-wun |  Taipei | 1:09.63 | | 3 | 3 | | 10.Anandia Evato |  Indonesia | 1:09.78 | | 6 | 4 | | 11.Rainbow Ip | Hong Kong | 1:10.57 | | 6 | 2 | | 12.Samantha Yeo |  Singapore | 1:11.29 | | 3 | 2 | | 13.Roanne Ho | Singapore | 1:12.01 | | 2 | 4 | | 14.Saovanee Boonamphai |  Thailand | 1:12.77 | | 2 | 3 | | 15.Adelaida Pchelintseva |  Kazakhstan | 1:14.26 | | 3 | 1 | | 16.Azzahra Permatahani | Indonesia | 1:14.43 | | 5 | 1 | | 17.Ngô Thị Ngọc Quỳnh |  Vietnam | 1:15.19 | | 2 | 2 | | 17.Cheang Weng Lam |  Macau | 1:15.19 | | 7 | 4 | | 19.Lei On Kei | Macau | 1:16.06 | | 4 | 1 | | 20.Voleak Sok |  Cambodia | 1:17.35 | | 7 | 3 | | 21.Mera Abushammaleh |  Palestine | 1:20.70 | | 1 | 4 | | 22.Mishael Aisha Ayub |  Pakistan | 1:22.59 | | 1 | 3 | | 23.Amingoo Temuujin |  Mongolia | 1:23.69 | | 7 | 2 | | 24.Khadiza Akter |  Bangladesh | 1:27.20 | | 1 | 2 | | 25.Aishath Hulva Khulail |  Maldives | 1:33.31 | | 8 | 4 | | 26.Aishath Sajina | Maldives | 1:34.07 | | 8 | 3 |
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