| 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 - Cairo | 03/13 14:30 | - | Pemra Ozgen v Ya-Hsuan Lee | View | |
| ITF W25 - 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 | |
| Australian Open - Kvinder - Wildcard | 12/05 03:20 | 26 | Sohyun Park v Ya-Hsuan Lee | 6-4,6-1 | |
| WTA - Taiwan | 11/13 07:30 | 26 | [307] Ya-Hsuan Lee v Jana Cepelova [173] | 3-6,3-6 | |
| WTA - Taiwan | 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 - Kyoto | 09/08 03:30 | 29 | [353] Ya-Hsuan Lee v Haruka Kaji [368] | 6-3,6-4 | |
| ITF W25 - Kyoto | 09/07 02:00 | 28 | Ya-Hsuan Lee v Tori Kinard | 7-6,6-4 | |
| ITF W25 - Kyoto | 09/06 02:00 | 27 | Michika Ozeki v Ya-Hsuan Lee | 1-6,4-6 | |
| ITF W25 - Kyoto | 09/05 01:00 | 26 | [498] Yuuki Tanaka v Ya-Hsuan Lee [353] | 3-6,1-6 | |
| ITF W25 - Kyoto | 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 (Chinese: 李亞軒; born 20 July 1995) is a Taiwanese tennis player.
She has career-high WTA rankings of 186 in singles, achieved on 11 April 2016, and 138 in doubles, set on 6 February 2017.
Playing for the Chinese Taipei Fed Cup team, Lee has a win–loss record of 3–13.