| Hellas Int. Qual | 2021/09/02 15:30 | Martin Ouazzen v Ken Yon Ong | L | 1-2 |
| Spain Int Qual | 2021/06/16 10:40 | Martin Ouazzen v Brian Holtschke | L | 0-2 |
| Spain Int Qual | 2021/06/16 10:20 | Joan Monroy v Martin Ouazzen | W | 0-2 |
| Lithuanian Int. Qual | 2021/06/10 14:20 | Louis Ducrot v Martin Ouazzen | L | 2-1 |
| Lithuanian Int. Qual | 2021/06/10 11:00 | Ivan Medynskiy v Martin Ouazzen | W | 0-2 |
| Austrian Open Qual | 2021/05/27 14:55 | Julien Scheiwiller v Martin Ouazzen | L | 2-1 |
| Slovenia Int. | 2021/05/20 13:20 | Andraz Krapez v Martin Ouazzen | L | 2-0 |
| Portuguese Int. Qual | 2021/05/06 12:30 | Martin Ouazzen v Albin Carl Hjelm | L | 1-2 |
| Slovenia Future Series Qual | 2021/11/25 10:00 | Maj Poboljsaj v Natan Maksimovic | L | 2-0 |
| Czech Open Qual | 2021/10/21 08:00 | Joakim Oldorff v Natan Maksimovic | L | 2-0 |
| Polish Int. Qual | 2021/09/23 07:30 | Matthias Kicklitz v Natan Maksimovic | L | 2-0 |
| Austrian Open Qual | 2021/05/27 08:30 | Natan Maksimovic v May Bar Netzer | L | 0-2 |
| Slovenia Int. Qual | 2021/05/19 08:10 | Natan Maksimovic v Adam Konczol | L | 0-2 |
| Slovenia Future Series Qual | 2019/11/21 08:25 | Natan Maksimovic v Philipp Drexler | L | 1-2 |