| Open di Slovenia | 2019/05/08 13:40 | Truls Moregard v Kai Zhang | L | 3-1 |
| Open di Slovenia | 2019/05/08 09:00 | Siddhesh Pande v Kai Zhang | W | 0-3 |
| Open di Serbia | 2019/05/01 14:20 | Vildan Gadiev v Kai Zhang | W | 2-3 |
| Open di Serbia | 2019/05/01 08:10 | Abdulaziz Bu Shulaybi v Kai Zhang | L | 3-0 |
| Open di Paraguay U21 femminili | 2019/09/10 14:35 | Nicolas Burgos v Diego Hermosilla | L | 2-0 |