Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Nonthaburi | 2019/11/27 02:30 | Duckhee Lee v Naoki Nakagawa | 6-1,6-4 |
| Challenger Pune | 2019/11/14 08:45 | Duckhee Lee v Jay Clarke | 1-6,4-6 |
| Challenger Pune | 2019/11/13 08:05 | Duckhee Lee v Mohamed Aziz Dougaz | 6-3,6-4 |
| Challenger Kobe | 2019/11/05 02:50 | Duckhee Lee v Shintaro Imai | 4-6,2-6 |
| Challenger Shenzhen 2 | 2019/10/29 03:10 | Soonwoo Kwon v Duckhee Lee | 6-2,6-2 |
| Challenger Shenzhen 2 | 2019/10/28 05:10 | Kaichi Uchida v Duckhee Lee | 5-7,1-6 |
| Challenger Liuzhou | 2019/10/22 03:35 | Duckhee Lee v Jie Cui | 2-6,4-6 |
| ATP Winston-Salem | 2019/08/20 19:10 | Duckhee Lee v Hubert Hurkacz | 6-4,0-6,3-6 |
| ITF M15 Nonthaburi | 2019/11/27 04:10 | Blake Ellis v Adam El Mihdawy | 7-5,3-6,7-6 |
| ITF M15 Nonthaburi | 2019/11/26 02:30 | Blake Ellis v Daisuke Sumizawa | 6-3,4-6,10-8 |
| ITF M15 Nonthaburi | 2019/11/24 05:35 | Blake Ellis v Bang Shuo Yin | 7-5,6-3 |
| Challenger Yokkaichi | 2019/08/05 01:30 | Jumpei Yamasaki v Blake Ellis | 6-4,6-4 |
| Challenger Chengdu | 2019/07/29 10:20 | Blake Ellis v Arjun Kadhe | 6-1,3-6,6-7 |
| ITF M25 Nonthaburi | 2019/07/26 03:00 | Blake Ellis v Yuta Shimizu | 4-6,6-7 |
| ITF M25 Nonthaburi | 2019/07/25 04:25 | Blake Ellis v Matthew Romios | 6-7,6-1,7-6 |
| ITF M25 Nonthaburi | 2019/07/23 07:15 | Blake Ellis v Palaphoom Kovapitukted | 6-4,6-0 |