Stadium: Center Round: 27 Ground: Hardcourt outdoor
| Challenger Zhangjiagang | 2018/09/04 07:30 | Duckhee Lee v Ze Zhang | 6-3,5-7,6-0 |
| Australian Open Qual | 2018/01/10 06:40 | Ze Zhang v Duckhee Lee | 3-6,6-3,3-6 |
| Challenger Shanghai | 2017/09/14 02:30 | Duckhee Lee v Ze Zhang | 3-6,6-7 |
| Challenger Ningbo | 2019/10/17 05:00 | Borna Gojo v Ze Zhang | 6-3,6-7,6-2 |
| Challenger Ningbo | 2019/10/16 02:00 | Ze Zhang v Alex Bolt | 6-4,6-4 |
| Challenger Ningbo | 2019/10/15 03:25 | Chun Hsin Tseng v Ze Zhang | 4-6,6-4,4-6 |
| ATP Shanghai | 2019/10/07 13:20 | Ze Zhang v Pablo Carreno Busta | 3-6,6-2,4-6 |
| ATP Zhuhai | 2019/09/23 11:30 | Adrian Mannarino v Ze Zhang | 7-6,7-5 |
| Challenger Jinan | 2019/09/04 05:40 | James Duckworth v Ze Zhang | 6-1,6-4 |
| Challenger Jinan | 2019/09/02 07:40 | Ze Zhang v Fajing Sun | 6-3,6-4 |
| US Open | 2019/08/21 15:00 | Elliot Benchetrit v Ze Zhang | 6-3,6-2 |
| 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 |
| ATP Winston-Salem | 2019/08/19 19:00 | Duckhee Lee v Henri Laaksonen | 7-6,6-1 |
| Challenger Vancouver | 2019/08/14 17:00 | Duckhee Lee v Malek Jaziri | 6-2,4-6,1-6 |
| Challenger Vancouver | 2019/08/13 17:00 | Duckhee Lee v Maverick Banes | 6-1,6-4 |
| Challenger Aptos | 2019/08/05 19:55 | Maxime Janvier v Duckhee Lee | 6-4,4-6,6-4 |