| ITF Women Toowoomba | 10/14 00:00 | 28 | [309] Zoe Hives v Ya-Hsuan Lee [280] | 6-4,7-5 | |
| ITF Women Toowoomba | 10/12 00:00 | 27 | [280] Ya-Hsuan Lee v Abbie Myers [296] | 6-2,6-7,7-6 | |
| ITF Women Toowoomba | 10/11 00:15 | 26 | [280] Ya-Hsuan Lee v Olivia Tjandramulia [389] | 6-1,6-4 | |
| ITF Women Toowoomba | 10/10 05:40 | 25 | [280] Ya-Hsuan Lee v Marianna Zakarlyuk [493] | 6-0,6-4 | |
| ITF Women Brisbane | 10/03 04:15 | 25 | [318] Naiktha Bains v Ya-Hsuan Lee [282] | 6-2,7-6 | |
| ITF Women Darwin | 09/27 05:10 | 26 | [325] Haruka Kaji v Ya-Hsuan Lee [283] | 6-3,6-3 | |
| ITF Women Darwin | 09/26 06:55 | 25 | [283] Ya-Hsuan Lee v Arina Rodionova [166] | 6-2,6-4 | |
| ITF Women Tsukuba | 08/23 03:10 | 26 | [251] Kai-Lin Zhang v Ya-Hsuan Lee [302] | Retired | |
| ITF Women Tsukuba | 08/22 00:30 | 25 | [302] Ya-Hsuan Lee v Haruna Arakawa [439] | 5-7,6-0,6-0 | |
| ITF Women Nonthaburi | 08/15 05:40 | 26 | [311] Ya-Hsuan Lee v Barbora Stefkova [451] | 0-6,1-6 | |
| ITF Women Nonthaburi | 08/13 03:40 | 25 | [299] Ya-Hsuan Lee v Karin Kennel [320] | 6-1,6-0 | |
| ITF Women Nonthaburi | 08/09 04:35 | 27 | [384] Xiyu Wang v Ya-Hsuan Lee [299] | 6-4,6-2 | |
| ITF Women Nonthaburi | 08/08 05:10 | 26 | Lou Brouleau v Ya-Hsuan Lee | 0-6,0-6 | |
| ITF Women Nonthaburi | 08/06 04:30 | 25 | Dolavee Tumthong v Ya-Hsuan Lee | 0-6,1-6 | |
| ITF Women Nonthaburi | 07/21 02:00 | 29 | [364] Ya-Hsuan Lee v Kai-Lin Zhang [283] | 6-1,6-3 | |
| ITF Women Nonthaburi | 07/20 06:30 | 28 | [173] Miyu Kato v Ya-Hsuan Lee [364] | 3-6,4-6 | |
| ITF Women Nonthaburi | 07/20 02:00 | 27 | [364] Ya-Hsuan Lee v Kaylah McPhee [434] | 6-4,4-6,6-4 | |
| ITF Women Nonthaburi | 07/19 04:50 | 26 | Shuyue Ma v Ya-Hsuan Lee | 6-3,3-6,4-6 | |
| ITF Women Nonthaburi | 07/16 02:00 | 25 | [286] Ching-Wen Hsu v Ya-Hsuan Lee [367] | Retired | |
| ITF Women Daegu | 06/21 01:00 | 26 | [334] Ching-Wen Hsu v Ya-Hsuan Lee [370] | Retired | |
| ITF Women Daegu | 06/20 02:50 | 25 | Yeong Won Jeong v Ya-Hsuan Lee | 0-6,7-6,2-6 | |
| ITF Women Gyeongsan | 06/13 01:00 | 25 | Kanako Morisaki v Ya-Hsuan Lee | Retired | |
| ITF Women Sangju | 06/10 01:00 | 29 | Ho Ching Wu v Ya-Hsuan Lee | 7-5,6-3 | |
| ITF Women Sangju | 06/09 01:00 | 28 | Sunam Jeong v Ya-Hsuan Lee | 2-6,6-7 | |
| ITF Women Sangju | 06/08 02:00 | 27 | Ayaka Okuno v Ya-Hsuan Lee | 2-6,0-6 | |
| ITF Women Sangju | 06/07 01:00 | 26 | Dan Ni Wang v Ya-Hsuan Lee | 1-6,2-6 | |
| ITF Women Sangju | 06/06 04:05 | 25 | Dayeon Back v Ya-Hsuan Lee | 1-6,0-6 | |
| ITF Women Changwon | 05/27 02:00 | 29 | [470] Varvara Flink v Ya-Hsuan Lee [473] | 6-0,3-6,0-6 | |
| ITF Women Changwon | 05/26 01:00 | 28 | [473] Ya-Hsuan Lee v Ulrikke Eikeri [237] | 6-1,6-2 | |
| ITF Women Changwon | 05/25 01:00 | 27 | [447] So-Ra Lee v Ya-Hsuan Lee [473] | 4-6,4-6 |
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.