| Estonian International | 2022/01/14 15:40 | Enogat Roy v Valentin Singer | L | 2-0 |
| Estonian International | 2022/01/14 09:50 | Varot Uraiwong v Valentin Singer | W | 0-2 |
| Italian International | 2021/12/17 13:20 | Valentin Singer v Fabian Roth | L | 0-2 |
| Italian International - Kvalifikation | 2021/12/16 19:05 | Valentin Singer v Martin Ouazzen | W | 2-0 |
| Italian International - Kvalifikation | 2021/12/16 16:45 | Valentin Singer v Georgii Lebedev | W | 2-0 |
| Italian International - Kvalifikation | 2021/12/16 12:05 | Valentin Singer v Ludvig Smith-Meyer | W | 2-0 |
| Tjekkiet Open - Kvalifikation | 2021/10/21 10:15 | Valentin Singer v Michal Walentek | W | 2-0 |
| Bulgarian International | 2021/10/08 13:35 | Valentin Singer v Jia Wei Tan | L | 0-2 |