Head to Head
| Paraguay Open | 2019/09/11 16:30 | Gaston Alto v Kai Zhang | W | 3-2 |
Home History
| Olympics 2020 - Men | 2021/07/24 11:15 | Alvaro Robles v Gaston Alto | L | 4-1 |
| Latin American Olympic Quals | 2021/04/14 15:15 | Jorge Campos v Gaston Alto | L | 4-1 |
| Latin American Olympic Quals | 2021/04/13 19:00 | Emil Santos v Gaston Alto | W | 1-4 |
| WTT Star Contender Doha | 2021/03/06 15:00 | Gaston Alto v Martin Allegro | L | 0-3 |
| Challenger Ochsenhausen | 2020/11/17 14:15 | Florian Bluhm v Gaston Alto | L | 3-0 |
| Challenger Ochsenhausen | 2020/11/17 12:40 | Gaston Alto v Florian Bluhm | L | 2-3 |
| Challenger Ochsenhausen | 2020/11/17 10:00 | Gaston Alto v Josip Huzjak | W | 3-1 |
| Challenger Ochsenhausen | 2020/11/16 21:00 | Gaston Alto v Dauud Cheaib | L | 1-3 |
Away History
| Portugal Open | 2020/02/14 14:50 | Alberto Mino v Kai Zhang | L | 4-1 |
| German Open | 2020/01/28 16:35 | Thiago Monteiro v Kai Zhang | W | 2-4 |
| North American Open | 2019/12/05 18:15 | Hao Ren v Kai Zhang | L | 4-0 |
| Team World Cup | 2019/11/07 11:30 | Jingkun Liang v Kai Zhang | L | 3-0 |
| Team World Cup | 2019/11/07 02:00 | Elias Ranefur v Kai Zhang | W | 1-3 |
| Paraguay Open | 2019/09/13 16:35 | Kai Zhang v Horacio Cifuentes | L | 1-4 |
| 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 |