Stadium: Central Court Round: 25 Ground: Hardcourt outdoor
| 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 Gwangju | 2018/08/17 02:00 | Duckhee Lee v Makoto Ochi | 2-6,1-6 |
| Challenger Gwangju | 2018/08/15 06:00 | Duckhee Lee v Rubin Statham | 6-4,6-3 |
| Challenger Gwangju | 2018/08/14 06:30 | Duckhee Lee v Hong Chung | 7-6,6-2 |
| Challenger Jinan | 2018/08/10 07:30 | James Ward v Duckhee Lee | 3-6,7-5,6-4 |
| Challenger Jinan | 2018/08/08 12:40 | Duckhee Lee v Yibing Wu | 6-0,6-3 |
| Challenger Jinan | 2018/08/07 02:00 | Manish Sureshkumar v Duckhee Lee | 1-6,3-6 |
| Challenger Chengdu | 2018/08/02 08:05 | Duckhee Lee v James Ward | 6-4,5-7,3-6 |
| Challenger Chengdu | 2018/07/31 06:05 | Nikola Milojevic v Duckhee Lee | 4-6,4-6 |
| Challenger Jinan | 2018/08/09 08:55 | Ze Zhang v Yusuke Takahashi | 6-4,6-3 |
| Challenger Jinan | 2018/08/07 09:10 | Hiroki Moriya v Ze Zhang | 3-6,4-6 |
| Challenger Chengdu | 2018/08/04 03:00 | Ze Zhang v Akira Santillan | 6-4,7-6 |
| Challenger Chengdu | 2018/08/01 09:45 | Ze Zhang v Alexander Bublik | 4-6,6-4,6-2 |
| Challenger Chengdu | 2018/07/31 03:00 | Ze Zhang v Di Wu | 7-5,6-2 |
| Challenger Bastad | 2018/07/10 09:00 | Corentin Moutet v Ze Zhang | 6-2,6-4 |
| Challenger Recanati | 2018/07/04 13:35 | Ze Zhang v Salvatore Caruso | 4-6,6-3,5-7 |
| Challenger Busan | 2018/05/18 03:15 | Yosuke Watanuki v Ze Zhang | 4-6,6-4,6-1 |