| ITF W100 Gifu | 05/03 02:25 | 27 | [118] Mai Hontama v Ya-Hsuan Lee [318] | 3-6,6-4,6-3 | |
| ITF W100 Gifu | 05/02 02:15 | 26 | [318] Ya-Hsuan Lee v Miho Kuramochi [405] | 6-3,4-6,7-6 | |
| ITF W100 Gifu | 05/01 07:00 | 25 | [318] Ya-Hsuan Lee v Eudice Chong [314] | 3-6,6-1,7-5 | |
| ITF W100 Gifu | 04/30 03:00 | 54 | [318] Ya-Hsuan Lee v Mei Yamaguchi [479] | 6-2,3-6,7-5 | |
| ITF W100 Gifu | 04/29 03:30 | 54 | [318] Ya-Hsuan Lee v Misaki Matsuda [355] | 4-6,6-2,7-6 | |
| ITF W100 Tokio | 04/23 04:15 | 54 | [318] Ya-Hsuan Lee v Luksika Kumkhum [113] | 3-6,3-6 | |
| ITF W100 Tokio | 04/22 07:15 | 54 | [318] Ya-Hsuan Lee v Momoko Kobori [219] | 4-6,6-2,7-6 | |
| ITF W35 Osaka | 04/12 01:00 | 27 | [371] Sayaka Ishii v Ya-Hsuan Lee [320] | 6-4,6-2 | |
| ITF W35 Osaka | 04/11 01:00 | 26 | [320] Ya-Hsuan Lee v Sara Saito [236] | 4-6,7-6,7-6 | |
| ITF W35 Osaka | 04/10 04:00 | 25 | Ya-Hsuan Lee v Miyu Nakashima | 6-3,6-1 | |
| ITF W50 Kashiwa | 04/07 01:55 | 29 | [237] Sijia Wei v Ya-Hsuan Lee [356] | 6-1,7-5 | |
| ITF W50 Kashiwa | 04/06 01:05 | 28 | [384] Ena Shibahara v Ya-Hsuan Lee [356] | 6-7,3-6 | |
| ITF W50 Kashiwa | 04/05 03:15 | 27 | [356] Ya-Hsuan Lee v Sofia Costoulas [285] | 6-1,6-2 | |
| ITF W50 Kashiwa | 04/04 01:30 | 26 | Ya-Hsuan Lee v Chihiro Muramatsu | 6-4,6-3 | |
| ITF W50 Kashiwa | 04/02 03:25 | 25 | [239] Ankita Raina v Ya-Hsuan Lee [356] | 6-7,6-4,6-7 | |
| ITF W50 Kofu | 03/31 02:00 | 29 | [413] Ya-Hsuan Lee v Catherine Harrison [501] | 7-6,1-6,1-6 | |
| ITF W50 Kofu | 03/30 01:00 | 28 | [247] Mananchaya Sawangkaew v Ya-Hsuan Lee [413] | 4-6,4-6 | |
| ITF W50 Kofu | 03/29 04:20 | 27 | [246] Sara Saito v Ya-Hsuan Lee [413] | 2-6,6-4,4-6 | |
| ITF W50 Kofu | 03/28 02:30 | 26 | [413] Ya-Hsuan Lee v Talia Gibson [206] | 6-4,6-1 | |
| ITF W50 Kofu | 03/27 05:25 | 25 | [449] Erika Sema v Ya-Hsuan Lee [413] | 0-6,6-2,0-6 | |
| ITF W50 Kofu | 03/27 00:20 | 54 | [469] Yeonwoo Ku v Ya-Hsuan Lee [413] | 4-6,6-3,3-6 | |
| ITF W50 Kofu | 03/24 01:35 | 54 | [492] Eri Shimizu v Ya-Hsuan Lee [413] | 1-6,2-6 | |
| ITF W15 Hinode | 03/19 01:00 | 25 | Dabin Kim v Ya-Hsuan Lee | 6-1,6-3 | |
| ITF W35 Indore | 03/12 06:40 | 25 | [225] Ankita Raina v Ya-Hsuan Lee [407] | 6-1,7-6 | |
| ITF W75 Altenkirchen | 02/12 11:10 | 54 | [404] Ya-Hsuan Lee v Urszula Radwanska [490] | 4-6,4-6 | |
| ITF W75 Grenoble | 02/04 12:00 | 54 | Ya-Hsuan Lee v Emmanuelle Salas | 6-2,2-6,5-7 | |
| ITF W35 Le Gosier | 01/26 23:45 | 27 | [387] Tamira Paszek v Ya-Hsuan Lee [415] | 6-2,6-2 | |
| ITF W35 Le Gosier | 01/25 19:00 | 26 | Eleejah Inisan v Ya-Hsuan Lee | 3-6,2-6 | |
| ITF W35 Le Gosier | 01/23 21:00 | 25 | Sarafina Olivia Hansen v Ya-Hsuan Lee | 1-6,2-6 | |
| ITF W100 Takasaki | 11/20 04:10 | 54 | Momoko Kobori v Ya-Hsuan Lee | Cancelled |
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.