Stadium: Court 6 Round: 44 Ground: Hardcourt outdoor
| Nonthaburi, Simples W-ITF-THA-06A | 2019/11/24 09:25 | Piwbangruk, Natthapat v Yu Shan | 4-6,3-6 |
| ITF - W15 Monastir | 2019/11/13 13:50 | Costanza Traversi v Yu Shan | 4-6,6-2,7-6 |
| ITF - W15 Monastir | 2019/11/06 08:30 | Makhorkina, Anna v Yu Shan | 3-6,6-4,6-4 |
| ITF - W15 Sharm El Sheikh | 2019/10/16 11:50 | Yu Shan v Sibille, Constance | 5-7,0-6 |
| ITF - W15 Sharm El Sheikh | 2019/10/09 12:40 | Morandais, Anne-Sophie v Yu Shan | 7-5,3-6,6-2 |
| ITF - W15 Sharm El Sheikh | 2019/10/05 08:00 | Noordin, Jawairiah v Yu Shan | 6-2,6-2 |
| ITF - W15 Sharm El Sheikh | 2019/10/04 09:50 | Yu Shan v Sama, Sathwika | 6-3,7-5 |
| ITF - W15 Sharm El Sheikh | 2019/10/03 08:00 | Justina Mikulskyte v Yu Shan | 5-7,3-6 |
| Nonthaburi, Simples W-ITF-THA-06A | 2019/11/24 07:20 | Jang, Eun SE v Ya-Hsin Lee | 1-6,1-6 |
| Taipei, Taipei Chinois | 2019/11/13 06:25 | Dalila Jakupovic v Ya-Hsin Lee | 2-6,6-2,6-2 |
| Taipei, Taipei Chinois | 2019/11/11 02:00 | Sarah Rebecca Sekulic v Ya-Hsin Lee | 7-6,6-7,4-6 |
| Taipei, Taipei Chinois | 2019/11/10 04:25 | Naoko Eto v Ya-Hsin Lee | 0-6,1-6 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/10/10 03:00 | Yexin Ma v Ya-Hsin Lee | 7-6,6-3 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/10/09 04:25 | Yamaguchi, Ai v Ya-Hsin Lee | 0-6,1-6 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/10/08 03:00 | Ya-Hsin Lee v Lunda Kumhom | 6-4,6-3 |
| Taipei, Singles W-ITF-TPE-01A | 2019/08/01 04:40 | Ushijima, Risa v Ya-Hsin Lee | 4-6,7-6,6-2 |