| Paraguay Open | 2019/09/12 18:00 | Koki Niwa v Kai Zhang | W | 2-4 |
| Paraguay Open | 2019/09/11 20:20 | Kai Zhang v Daniel Gonzalez | L | 3-4 |
| Paraguay Open | 2019/09/11 16:30 | Gaston Alto v Kai Zhang | L | 3-2 |
| Paraguay Open | 2019/09/10 22:45 | Kai Zhang v Daniel Santos | W | 3-1 |
| Paraguay Open | 2019/09/10 16:25 | Kai Zhang v Diego Hermosilla | W | 3-0 |
| Slovenia Open | 2019/05/08 13:40 | Truls Moregard v Kai Zhang | L | 3-1 |
| Slovenia Open | 2019/05/08 09:00 | Siddhesh Pande v Kai Zhang | W | 0-3 |
| Serbia Open | 2019/05/01 14:20 | Vildan Gadiev v Kai Zhang | W | 2-3 |
| Paraguay Open U21 | 2019/09/12 20:55 | Nicolas Burgos v Horacio Cifuentes | W | 0-3 |
| Paraguay Open | 2019/09/12 18:00 | Emiliano Riofrio v Horacio Cifuentes | W | 0-4 |
| Paraguay Open U21 Women | 2019/09/11 15:20 | Horacio Cifuentes v Gustavo Yokota | W | 3-0 |
| Paraguay Open U21 Women | 2019/09/10 20:55 | Horacio Cifuentes v Angel Naranjo | W | 3-0 |
| Paraguay Open U21 | 2019/09/10 14:35 | Horacio Cifuentes v David Leon | W | 2-0 |
| Czech Open | 2019/08/20 17:05 | Horacio Cifuentes v Tzu Hsiang Hung | L | 2-4 |
| Czech Open | 2019/08/20 17:05 | Horacio Cifuentes v Tzu-Hsiang Hung | L | 2-4 |
| Pan American Games | 2019/08/10 12:50 | Horacio Cifuentes v Angel Naranjo | W | 3-0 |