| WTA Shenzhen | 01/07 03:00 | 25 | [397] Yingying Duan v Zarina Diyas [75] | 3-6,4-6 | |
| WTA Tianjin | 10/08 06:35 | 25 | [38] Saisai Zheng v Yingying Duan [363] | 7-6,6-2 | |
| WTA Guangzhou | 09/17 06:00 | 25 | [329] Yingying Duan v Saisai Zheng [37] | 7-6,6-7,1-6 | |
| WTA Zhengzhou | 09/10 04:00 | 25 | [323] Yingying Duan v Kristina Mladenovic [49] | 2-6,3-6 | |
| WTA New York | 08/17 19:50 | 45 | Elizabeth Mandlik v Yingying Duan | 6-3,0-6,6-2 | |
| WTA New York | 08/16 21:05 | 44 | [338] Yingying Duan v Oksana Kalashnikova [64] | 6-2,6-1 | |
| ITF W60 Luan | 05/12 02:30 | 29 | [234] Xinyun Han v Ying-Ying Duan [293] | 4-6,6-2,6-2 | |
| ITF W60 Luan | 05/11 05:00 | 28 | [293] Ying-Ying Duan v Ankita Raina [175] | 6-3,1-6,6-2 | |
| ITF W60 Luan | 05/10 05:15 | 27 | [215] Shuyue Ma v Ying-Ying Duan [293] | 4-6,3-6 | |
| ITF W60 Luan | 05/09 03:45 | 26 | [300] Peangtarn Plipuech v Ying-Ying Duan [293] | 2-6,2-6 | |
| ITF W60 Luan | 05/08 03:50 | 25 | [293] Ying-Ying Duan v Shilin Xu [190] | 6-7,6-2,6-3 | |
| WTA Anning | 04/23 04:40 | 25 | [288] Yingying Duan v Danielle Lao [165] | 1-6,2-6 | |
| ITF W25 - Yokohama | 03/06 01:30 | 25 | [198] Na-Lae Han v Ying-Ying Duan [252] | Retired | |
| WTA Hua Hin | 01/31 08:00 | 26 | [201] Ying-Ying Duan v Viktorija Golubic [106] | 6-7,5-7 | |
| WTA Hua Hin | 01/29 08:00 | 25 | [53] Pauline Parmentier v Ying-Ying Duan [201] | 6-1,3-6,4-6 | |
| WTA Hua Hin | 01/27 06:15 | 64 | [161] Xinyun Han v Ying-Ying Duan [162] | 1-6,6-2,5-7 | |
| WTA Hua Hin | 01/26 06:20 | 45 | Watsachol Sawatdee v Ying-Ying Duan | 3-6,3-6 | |
| Australian Open - Damer | 01/09 00:30 | 44 | [153] Ying-Ying Duan v Natalia Vikhlyantseva [135] | 7-6,4-6,4-6 | |
| WTA Shenzhen | 12/29 07:10 | 64 | [95] Anna Blinkova v Ying-Ying Duan [145] | 6-4,6-4 | |
| WTA Taipei | 11/13 02:00 | 25 | [218] Fang Ying Xun v Ying-Ying Duan [147] | 7-6,7-6 | |
| ITF Women Shenzhen | 11/07 02:30 | 25 | [140] Ying-Ying Duan v Olga Doroshina [236] | 4-6,6-1,3-6 | |
| ITF Women Suzhou | 10/18 04:35 | 26 | [57] Saisai Zheng v Ying-Ying Duan [142] | 6-2,6-4 | |
| ITF Women Suzhou | 10/17 02:00 | 25 | [142] Ying-Ying Duan v Carol Zhao [194] | 6-3,6-1 | |
| WTA Tianjin | 10/08 09:30 | 25 | [36] Petra Martic v Ying-Ying Duan [134] | 3-6,6-3,7-6 | |
| WTA Beijing | 09/30 08:20 | 24 | [125] Ying-Ying Duan v Dominika Cibulkova [31] | 3-6,2-6 | |
| WTA Wuhan | 09/22 06:30 | 46 | [56] Rebecca Petersson v Ying-Ying Duan [120] | 4-6,6-3,6-3 | |
| WTA Wuhan | 09/21 10:00 | 45 | [120] Ying-Ying Duan v Ana Bogdan [80] | 2-6,6-3,6-2 | |
| WTA Hiroshima | 09/10 05:00 | 25 | [107] Ying-Ying Duan v Luksika Kumkhum [96] | 7-5,2-6,2-6 | |
| ITF Women Jinan | 08/08 07:00 | 25 | [319] Xiaodi You v Ying-Ying Duan [110] | Retired | |
| WTA Nanchang | 07/23 09:00 | 25 | [138] Lin Zhu v Ying-Ying Duan [114] | 6-2,6-3 |