| Denmark Challenge Qual | 05/08 10:20 | - | Zong Han Lee v Jia Jie Tan | L | 0-2 | |
| Denmark Challenge Qual | 05/08 07:40 | - | Zong Han Lee v Wei Jun Teo | W | 2-0 | |
| Luxembourg Open Qual | 05/02 17:00 | - | Saneeth Dayanand v Zong Han Lee | L | 2-0 | |
| Luxembourg Open Qual | 05/02 12:55 | - | Zong Han Lee v 브루운, 제프 | - | Walkover | |
| China Masters 2019, MS, Qualification | 03/19 02:30 | 5 | Andy Yew Tung Kok v Zong Han Lee | L | 2-1 | |
| Croatia Int. Qual | 09/28 08:45 | - | Zong Han Lee v Maj Poboljsaj | L | 0-2 |