| Open de Omã Sub21 - Feminino | 2019/12/04 17:00 | Valentin Pieraert v Santiago Lorenzo | L | 1-3 |
| Open de Omã Sub21 - Feminino | 2019/10/30 11:35 | Valentin Pieraert v Cristian Pletea | L | 1-3 |
| Open da Eslovénia - Sub21 | 2019/05/10 07:00 | Valentin Pieraert v Man Ho Kwan | L | 1-3 |
| Open da Eslovénia - Sub21 | 2019/05/09 07:00 | Valentin Pieraert v Federico Giardi | W | 3-0 |
| Open do Catar - Duplas Mistas | 2019/03/21 09:05 | Valentin Pieraert v Aleksa Gacev | W | 3-1 |
| Open do Catar - Duplas Mistas | 2019/03/20 13:40 | Valentin Pieraert v Sebestyen Kovacs | L | 0-3 |
| Open de Omã Sub21 - Feminino | 2019/02/13 09:00 | Jiri Martinko v Valentin Pieraert | L | 3-2 |
| Open do Catar - Duplas Mistas | 2018/11/13 17:00 | Valentin Pieraert v Zihao Zhao | L | 0-3 |