| Island international | 2023/01/28 17:20 | Karan Rajan Rajarajan v Valentin Singer | L | 2-0 |
| Island international | 2023/01/28 11:55 | Nicolas A. Mueller v Valentin Singer | W | 1-2 |
| Island international | 2023/01/27 14:50 | Brian Holtschke v Valentin Singer | W | 1-2 |
| Estonian International - Kvalifikation | 2023/01/12 07:35 | Valentin Singer v Yu Kai Huang | L | 0-2 |
| Slovenien - Future Series | 2022/11/27 10:00 | Valentin Singer v Firman Abdul Kholik | L | 0-2 |
| Slovenien - Future Series | 2022/11/26 14:30 | Simon Baron-Vezilier v Valentin Singer | W | 0-2 |
| Irish Open - Kvalifikation | 2022/11/16 18:55 | Koo Takahashi v Valentin Singer | L | 2-0 |
| Irish Open - Kvalifikation | 2022/11/16 12:20 | Remi Rossi v Valentin Singer | W | 0-2 |
| Australian Open | 2022/11/18 04:20 | Nathan Tang v Tze Yong Ng | L | 0-2 |
| Australian Open | 2022/11/17 03:00 | Jie Ying Chan v Nathan Tang | W | 1-2 |
| Indonesia Masters - Mixdouble | 2017/08/01 08:40 | Nathan Tang v Sourabh Verma | L | 0-2 |
| Giraldilla Int. XD | 2017/06/20 00:20 | Takuma Ueda v Nathan Tang | L | 2-0 |