| ITF W100 Tokyo | 04/23 01:00 | 25 | [217] Ya Yi Yang v Carol Zhao [233] | 6-4,0-6,2-6 | |
| Billie Jean King Cup | 04/13 04:00 | 2 | Ya-Yi Yang v Eleanor Schuster | 6-2,6-2 | |
| Billie Jean King Cup | 04/12 03:55 | 2 | [215] Ya Yi Yang v Lulu Sun [169] | 1-6,2-6 | |
| Billie Jean King Cup | 04/10 04:35 | 2 | [241] Sujeong Jang v Ya Yi Yang [215] | 6-0,6-1 | |
| Billie Jean King Cup | 04/09 04:35 | 2 | [7] Qinwen Zheng v Ya Yi Yang [215] | 6-0,6-1 | |
| ITF W50 Murska Sobota | 03/26 14:00 | 25 | [209] Ya Yi Yang v Mara Guth [496] | 3-6,1-6 | |
| ITF W75 Maribor | 03/19 08:00 | 25 | [209] Ya Yi Yang v Dominika Salkova [204] | Retired | |
| ITF W75 Ricany | 03/11 09:00 | 54 | [207] Ya Yi Yang v Aneta Laboutkova [485] | 4-6,4-6 | |
| Australian Open Women | 01/09 04:20 | 14 | [209] Ya Yi Yang v Rebecca Marino [182] | 6-7,0-6 | |
| WTA Auckland | 12/30 22:00 | 19 | [221] McCartney Kessler v Ya Yi Yang [210] | 7-5,6-4 | |
| WTA Auckland | 12/30 02:30 | 45 | Valentina Ivanov v Ya Yi Yang | 3-6,3-6 | |
| ITF W100 Takasaki | 11/23 03:25 | 26 | [127] Mai Hontama v Ya Yi Yang [215] | 7-5,6-3 | |
| ITF W100 Takasaki | 11/21 05:35 | 25 | [292] Kathinka Von Deichmann v Ya Yi Yang [215] | 1-6,4-6 | |
| ITF W100 Takasaki | 11/15 01:00 | 25 | [263] Mananchaya Sawangkaew v Ya Yi Yang [216] | 7-6,7-5 | |
| WTA Hong Kong | 10/10 03:00 | 19 | [204] Ya Yi Yang v Sofya Lansere [271] | 3-6,6-4,4-6 | |
| WTA Hong Kong | 10/07 02:30 | 14 | Ya Yi Yang v Dasha Ivanova | 7-5,6-3 | |
| ITF W40 Nanao | 10/01 01:00 | 29 | [222] Ya Yi Yang v Yexin Ma [260] | 6-7,7-6,0-6 | |
| ITF W40 Nanao | 09/30 01:30 | 28 | [222] Ya Yi Yang v Chia Yi Tsao [400] | 6-2,6-4 | |
| ITF W40 Nanao | 09/29 01:30 | 27 | Ya Yi Yang v Mei Yamaguchi | 2-6,6-2,6-4 | |
| ITF W40 Nanao | 09/28 01:00 | 26 | Ya Yi Yang v Haine Ogata | 6-3,6-2 | |
| ITF W40 Nanao | 09/26 03:30 | 25 | [222] Ya Yi Yang v Yi Tsen Cho [355] | 6-3,6-1 | |
| WTA Guangzhou | 09/19 11:30 | 25 | [236] Ya Yi Yang v Lucia Bronzetti [60] | 1-6,0-6 | |
| WTA Guangzhou | 09/17 06:00 | 19 | [140] Jessika Ponchet v Ya Yi Yang [242] | Retired | |
| WTA Guangzhou | 09/16 08:40 | 14 | Yu Shan v Ya Yi Yang | 1-6,3-6 | |
| WTA Osaka | 09/09 02:00 | 14 | [154] Elizabeth Mandlik v Ya Yi Yang [246] | 2-6,6-3,6-2 | |
| ITF W100 Tokyo | 09/04 01:00 | 54 | [246] Ya Yi Yang v Aoi Ito [426] | 2-6,1-6 | |
| ITF W100 Tokyo | 09/03 02:45 | 54 | Ya Yi Yang v Kisa Yoshioka | 6-2,6-0 | |
| ITF W25 Nakhon Si Thammarat | 08/31 02:00 | 26 | [415] Aliona Falei v Ya Yi Yang [246] | 6-2,6-3 | |
| ITF W25 Nakhon Si Thammarat | 08/30 06:25 | 25 | Meiling Wang v Ya Yi Yang | 4-6,6-7 | |
| ITF W40 Hong Kong | 08/27 02:00 | 29 | [303] Mananchaya Sawangkaew v Ya Yi Yang [288] | 3-6,6-4,3-6 |