| ITF W15 Sharm El Sheikh | 03/26 07:00 | 27 | Ya-Hsuan Lee v Elena-Teodora Cadar | 6-4,6-3 | |
| ITF W15 Sharm El Sheikh | 03/25 07:00 | 26 | [311] Ya-Hsuan Lee v Alicia Barnett [342] | 6-2,7-6 | |
| ITF W15 Sharm El Sheikh | 03/24 07:00 | 25 | Ya-Hsuan Lee v Tatiana Barkova | 7-5,6-3 | |
| ITF W15 Sharm El Sheikh | 03/17 16:50 | 25 | Dalila Spiteri v Ya-Hsuan Lee | 6-2,2-6,6-4 | |
| ITF W15 Sharm El Sheikh | 03/10 14:55 | 25 | Sakura Hosogi v Ya-Hsuan Lee | 6-1,6-1 | |
| ITF W25 El Cairo | 03/13 14:30 | - | Pemra Ozgen v Ya-Hsuan Lee | View | |
| ITF W25 El Cairo | 03/10 08:00 | 25 | Ya-Hsuan Lee v Valeria Koussenkova | 6-1,6-1 | |
| ITF W60 Burnie | 01/28 03:50 | 25 | [355] Fanni Stollar v Ya-Hsuan Lee [291] | 7-6,6-2 | |
| Open de Australia - Comodín - Femenino | 12/05 03:20 | 26 | Sohyun Park v Ya-Hsuan Lee | 6-4,6-1 | |
| WTA China Taipéi | 11/13 07:30 | 26 | [307] Ya-Hsuan Lee v Jana Cepelova [173] | 3-6,3-6 | |
| WTA China Taipéi | 11/11 05:50 | 25 | [305] Ya-Hsuan Lee v Chihiro Muramatsu [272] | 7-6,6-4 | |
| ITF W25 Brisbane | 10/03 04:25 | 26 | [330] Abbie Myers v Ya-Hsuan Lee [288] | 6-3,6-3 | |
| ITF W25 Brisbane | 10/02 00:00 | 25 | [288] Ya-Hsuan Lee v Tereza Mihalikova [376] | 6-2,6-4 | |
| ITF W60 Darwin | 09/26 00:30 | 26 | [290] Ya-Hsuan Lee v Lizette Cabrera [184] | 5-7,4-6 | |
| ITF W60 Darwin | 09/25 01:55 | 25 | Ya-Hsuan Lee v Michika Ozeki | 3-6,6-4,6-0 | |
| ITF W25 Kioto | 09/08 03:30 | 29 | [353] Ya-Hsuan Lee v Haruka Kaji [368] | 6-3,6-4 | |
| ITF W25 Kioto | 09/07 02:00 | 28 | Ya-Hsuan Lee v Tori Kinard | 7-6,6-4 | |
| ITF W25 Kioto | 09/06 02:00 | 27 | Michika Ozeki v Ya-Hsuan Lee | 1-6,4-6 | |
| ITF W25 Kioto | 09/05 01:00 | 26 | [498] Yuuki Tanaka v Ya-Hsuan Lee [353] | 3-6,1-6 | |
| ITF W25 Kioto | 09/04 03:30 | 25 | Himeno Sakatsume v Ya-Hsuan Lee | 4-6,4-6 | |
| ITF W25 Nanao | 08/31 04:25 | 28 | [225] Ayano Shimizu v Ya-Hsuan Lee [353] | Retired | |
| ITF W25 Nanao | 08/31 01:00 | 25 | Naho Sato v Ya-Hsuan Lee | Cancelled | |
| ITF W25 Nanao | 08/30 04:00 | 27 | Tori Kinard v Ya-Hsuan Lee | 3-6,4-6 | |
| ITF W25 Nanao | 08/29 07:45 | 26 | [353] Ya-Hsuan Lee v Haruka Kaji [368] | 6-2,3-6,6-4 | |
| ITF W25 Nanao | 08/29 02:00 | 25 | [261] Kanako Morisaki v Ya-Hsuan Lee [353] | 2-6,3-6 | |
| ITF W25 Guiyang | 08/21 06:50 | 25 | Shanshan Guo v Ya-Hsuan Lee | 7-5,6-7,6-1 | |
| ITF W25 Huangshan | 08/18 02:30 | 29 | [398] Zuzana Zlochova v Ya-Hsuan Lee [421] | 3-6,0-6 | |
| ITF W25 Huangshan | 08/17 02:30 | 28 | [421] Ya-Hsuan Lee v Fangzhou Liu [261] | 2-6,6-2,6-3 | |
| ITF W25 Huangshan | 08/16 03:00 | 27 | [421] Ya-Hsuan Lee v Su Jeong Jang [289] | 1-6,6-3,6-0 | |
| ITF W25 Huangshan | 08/15 03:00 | 26 | Ziyue Sun v Ya-Hsuan Lee | 0-6,6-3,6-7 |
Lee Ya-hsuan (en chino tradicional, 李亞軒: en chino tradicional, 李亞軒; nacido 20 de julio de 1995 en Taipéi) es una jugadora de tenis taiwanésa.
Lee tiene un mejor ranking de la WTA de 186, logrado el 11 de abril de 2016. Su ranking más alto de dobles es 138 logrado el 6 de febrero de 2017.
Jugando en Copa Federación para Taiwán, Lee tiene un registro de 2–13.