Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF Thailand F8 | 2018/11/06 04:35 | Kuan-Yi Lee v Cheng-Yu Yu | 6-3,6-3 |
| ITF Thailand F4 | 2017/08/04 04:30 | Kuan-Yi Lee v Cheng-Yu Yu | 6-4,6-2 |
| ITF Hong Kong F1 | 2016/06/08 22:00 | Kuan-Yi Lee v Cheng-Yu Yu | 6-7,2-6 |
| ITF M15 Hua Hin | 2019/08/22 05:00 | Kuan-Yi Lee v Tsung-Hao Huang | 6-2,6-4 |
| ITF M15 Hua Hin | 2019/08/21 07:50 | Kuan-Yi Lee v Sanhui Shin | 6-1,6-1 |
| ITF M15 - Jakarta | 2019/08/14 05:50 | Sho Shimabukuro v Kuan-Yi Lee | 6-3,6-2 |
| ITF M15 - Jakarta | 2019/08/11 03:00 | Vladyslav Orlov v Kuan-Yi Lee | 7-5,4-6,6-4 |
| ITF M15 - Jakarta | 2019/08/10 03:00 | Kuan-Yi Lee v Emiliano Maggioli | 6-1,6-1 |
| ITF M15 - Jakarta | 2019/08/09 02:30 | Lucas Vuradin v Kuan-Yi Lee | 2-6,7-5,2-6 |
| ITF M15 - Jakarta | 2019/08/08 02:30 | Dusty H. Boyer v Kuan-Yi Lee | 2-6,2-6 |
| ITF M15 - Jakarta | 2019/08/07 06:15 | Aaron Schmid v Kuan-Yi Lee | 2-6,1-6 |
| ITF M15 - Jakarta | 2019/08/20 05:20 | Renta Tokuda v Cheng-Yu Yu | 4-6,6-3,6-4 |
| ITF M15 - Jakarta | 2019/08/12 02:30 | Cheng-Yu Yu v Kunal Anand | 6-4,4-6,6-10 |
| ITF M25 - Taipei | 2019/07/23 06:10 | Cheng-Yu Yu v Sora Fukuda | 6-3,5-7,6-4 |
| ITF M25 - Taipei | 2019/07/20 02:00 | Cheng-Yu Yu v Yu Hsiou Hsu | 5-7,2-6 |
| ITF M25 - Taipei | 2019/07/19 02:00 | Jesse Delaney v Cheng-Yu Yu | 0-6,3-6 |
| ITF M25 - Taipei | 2019/07/18 10:10 | Cheng-Yu Yu v Yusuke Takahashi | 7-5,6-2 |
| ITF M25 - Taipei | 2019/07/17 04:25 | Jonathan Mridha v Cheng-Yu Yu | 2-6,1-6 |
| ITF M25 - Shenzhen | 2019/06/13 03:30 | Cheng-Yu Yu v Luca Castelnuovo | 1-6,1-6 |