| ITTF South American Champs | 2024/06/13 15:30 | Leonardo Kenzo Iizuka v David Leon | L | 3-0 |
| ITTF South American Team Champs | 2024/06/10 18:00 | David Leon v Francisco Sanchi | L | 1-3 |
| Paraguay Open | 2019/09/11 16:30 | Vitor Ishiy v David Leon | L | 3-0 |
| Paraguay Open U21 Women | 2019/09/11 15:20 | Angel Naranjo v David Leon | L | 3-1 |
| Paraguay Open U21 Women | 2019/09/10 20:55 | David Leon v Gustavo Yokota | L | 1-3 |
| Paraguay Open | 2019/09/10 15:45 | David Leon v Alexis Orencel | L | 1-3 |
| Paraguay Open U21 | 2019/09/10 14:35 | Horacio Cifuentes v David Leon | L | 2-0 |
| ITTF South American Team Champs | 2024/06/10 18:00 | Ivan Pastore v Leandro Fuentes | W | 0-3 |