| WTA - Hua Hin | 02/11 10:20 | 25 | [56] Yafan Wang v Patricia Maria Tig [105] | 1-6,6-1,6-7 | |
| Australian Open - Frauen | 01/21 01:35 | 23 | [19] Alison Riske v Yafan Wang [51] | 7-6,2-6 | |
| WTA - Hobart | 01/14 05:50 | 25 | [51] Yafan Wang v Garbine Muguruza [34] | 1-6,5-7 | |
| WTA - Shenzhen | 01/07 08:35 | 26 | [36] Elena Rybakina v Yafan Wang [50] | 6-3,6-4 | |
| WTA - Shenzhen | 01/05 09:05 | 25 | [84] Sara Sorribes Tormo v Yafan Wang [48] | 6-1,1-6,3-6 | |
| ITF Damen - W100 - Suzhou | 10/19 03:00 | 28 | [47] Yafan Wang v Lin Zhu [106] | 3-6,3-6 | |
| ITF Damen - W100 - Suzhou | 10/18 04:50 | 27 | [47] Yafan Wang v Natalija Kostic [183] | 6-1,6-4 | |
| ITF Damen - W100 - Suzhou | 10/17 07:45 | 26 | Yafan Wang v Aleksandrina Naydenova | 6-1,6-0 | |
| ITF Damen - W100 - Suzhou | 10/15 05:50 | 25 | [47] Yafan Wang v Jia-Jing Lu [181] | 6-2,1-6,6-2 | |
| WTA - Tianjin | 10/11 02:30 | 27 | [47] Yafan Wang v Rebecca Peterson [59] | 7-6,4-6,2-6 | |
| WTA - Tianjin | 10/09 05:55 | 26 | [31] Caroline Garcia v Yafan Wang [47] | 4-6,2-6 | |
| WTA - Tianjin | 10/07 10:00 | 25 | [47] Yafan Wang v Lauren Davis [62] | 6-0,6-4 | |
| WTA - Peking | 09/30 09:20 | 25 | [3] Elina Svitolina v Yafan Wang [49] | 7-6,7-6 | |
| WTA - Peking | 09/29 04:30 | 24 | [164] Xinyu Wang v Yafan Wang [48] | 1-6,2-6 | |
| WTA - Wuhan | 09/24 04:40 | 25 | [48] Yafan Wang v Sloane Stephens [15] | 2-6,6-3,1-6 | |
| WTA - Wuhan | 09/23 04:10 | 24 | [48] Yafan Wang v Lauren Davis [62] | Retired | |
| WTA Seoul | 09/21 05:00 | 28 | [58] Yafan Wang v Karolina Muchova [45] | 6-7,4-6 | |
| WTA Seoul | 09/20 04:40 | 27 | [88] Paula Badosa v Yafan Wang [58] | 1-6,3-6 | |
| WTA Seoul | 09/18 03:00 | 26 | [125] Ysaline Bonaventure v Yafan Wang [58] | 6-4,3-6,0-6 | |
| WTA Seoul | 09/16 04:30 | 25 | [180] Danielle Lao v Yafan Wang [55] | 4-6,6-7 | |
| WTA - Nanchang | 09/10 07:00 | 25 | [134] Nina Stojanovic v Yafan Wang [55] | 6-2,6-4 | |
| US Open - Damen | 08/27 19:45 | 23 | [19] Caroline Wozniacki v Yafan Wang [50] | 1-6,7-5,6-3 | |
| WTA - New York | 08/19 14:00 | 25 | [38] Katerina Siniakova v Yafan Wang [50] | 6-3,6-2 | |
| WTA - Cincinnati | 08/14 16:50 | 25 | [3] Karolina Pliskova v Yafan Wang [52] | 6-1,6-3 | |
| WTA - Cincinnati | 08/13 19:30 | 24 | [52] Yafan Wang v Monica Puig [44] | 3-6,7-5,6-3 | |
| WTA - Cincinnati | 08/11 17:40 | 46 | [51] Yafan Wang v Iga Swiatek [65] | 4-6,6-3,4-6 | |
| WTA - Cincinnati | 08/10 22:00 | 45 | [51] Yafan Wang v Coco Vandeweghe [459] | 6-2,6-2 | |
| WTA - Washington | 07/29 19:35 | 25 | [51] Yafan Wang v Lesia Tsurenko [35] | 3-6,2-6 | |
| Wimbledon - Damen | 07/04 10:00 | 24 | [9] Sloane Stephens v Yafan Wang [57] | 6-0,6-2 | |
| Wimbledon - Damen | 07/02 12:10 | 23 | [57] Yafan Wang v Tereza Martincova [138] | 6-2,7-5 |