| Shenzhen, Chine | 01/07 03:00 | 25 | [397] Duan, Ying-Ying v Diyas, Zarina [75] | 3-6,4-6 | |
| Tianjin, Chine | 10/08 06:35 | 25 | [38] Saisai Zheng v Duan, Ying-Ying [363] | 7-6,6-2 | |
| WTA Guangzhou | 09/17 06:00 | 25 | [329] Duan, Ying-Ying v Saisai Zheng [37] | 7-6,6-7,1-6 | |
| Zhengzhou, Chine | 09/10 04:00 | 25 | [323] Duan, Ying-Ying v Kristina Mladenovic [49] | 2-6,3-6 | |
| New York, USA | 08/17 19:50 | 45 | Elizabeth Mandlik v Duan, Ying-Ying | 6-3,0-6,6-2 | |
| New York, USA | 08/16 21:05 | 44 | [338] Duan, Ying-Ying v Kalashnikova, Oksana [64] | 6-2,6-1 | |
| Luan, Simples W-ITF-CHN-07A | 05/12 02:30 | 29 | [234] Han, Xinyun v Duan, Ying-Ying [293] | 4-6,6-2,6-2 | |
| Luan, Simples W-ITF-CHN-07A | 05/11 05:00 | 28 | [293] Duan, Ying-Ying v Ankita Raina [175] | 6-3,1-6,6-2 | |
| Luan, Simples W-ITF-CHN-07A | 05/10 05:15 | 27 | [215] Ma, Shuyue v Duan, Ying-Ying [293] | 4-6,3-6 | |
| Luan, Simples W-ITF-CHN-07A | 05/09 03:45 | 26 | [300] Peangtarn Plipuech v Duan, Ying-Ying [293] | 2-6,2-6 | |
| Luan, Simples W-ITF-CHN-07A | 05/08 03:50 | 25 | [293] Duan, Ying-Ying v Xu, Shilin [190] | 6-7,6-2,6-3 | |
| WTA Anning | 04/23 04:40 | 25 | [288] Duan, Ying-Ying v Lao, Danielle [165] | 1-6,2-6 | |
| ITF W25 Yokohama | 03/06 01:30 | 25 | [198] Na-Lae Han v Duan, Ying-Ying [252] | Retired | |
| WTA - Hua Hin | 01/31 08:00 | 26 | [201] Duan, Ying-Ying v Viktorija Golubic [106] | 6-7,5-7 | |
| WTA - Hua Hin | 01/29 08:00 | 25 | [53] Parmentier, Pauline v Duan, Ying-Ying [201] | 6-1,3-6,4-6 | |
| WTA - Hua Hin | 01/27 06:15 | 64 | [161] Han, Xinyun v Duan, Ying-Ying [162] | 1-6,6-2,5-7 | |
| WTA - Hua Hin | 01/26 06:20 | 45 | Watsachol Sawatdee v Duan, Ying-Ying | 3-6,3-6 | |
| Open d'Australie - Femmes | 01/09 00:30 | 44 | [153] Duan, Ying-Ying v Vikhlyantseva, Natalia [135] | 7-6,4-6,4-6 | |
| Shenzhen, Chine | 12/29 07:10 | 64 | [95] Anna Blinkova v Duan, Ying-Ying [145] | 6-4,6-4 | |
| Taipei, Taipei Chinois | 11/13 02:00 | 25 | [218] Fang Ying Xun v Duan, Ying-Ying [147] | 7-6,7-6 | |
| Shenzhen, Simples W-WITF-CHN-02A | 11/07 02:30 | 25 | [140] Duan, Ying-Ying v Doroshina, Olga [236] | 4-6,6-1,3-6 | |
| Suzhou, Simples W-WITF-CHN-16A | 10/18 04:35 | 26 | [57] Saisai Zheng v Duan, Ying-Ying [142] | 6-2,6-4 | |
| Suzhou, Simples W-WITF-CHN-16A | 10/17 02:00 | 25 | [142] Duan, Ying-Ying v Carol Zhao [194] | 6-3,6-1 | |
| Tianjin, Chine | 10/08 09:30 | 25 | [36] Petra Martic v Duan, Ying-Ying [134] | 3-6,6-3,7-6 | |
| Pékin, Chine | 09/30 08:20 | 24 | [125] Duan, Ying-Ying v Cibulkova, Dominika [31] | 3-6,2-6 | |
| Wuhan, China | 09/22 06:30 | 46 | [56] Peterson, Rebecca v Duan, Ying-Ying [120] | 4-6,6-3,6-3 | |
| Wuhan, China | 09/21 10:00 | 45 | [120] Duan, Ying-Ying v Ana Bogdan [80] | 2-6,6-3,6-2 | |
| Hiroshima, Japon | 09/10 05:00 | 25 | [107] Duan, Ying-Ying v Luksika Kumkhum [96] | 7-5,2-6,2-6 | |
| ITF Women Jinan | 08/08 07:00 | 25 | [319] Xiaodi You v Duan, Ying-Ying [110] | Retired | |
| Nanchang, Chine | 07/23 09:00 | 25 | [138] Lin Zhu v Duan, Ying-Ying [114] | 6-2,6-3 |