| Litauen - Int. | 2022/06/10 10:55 | Valentin Singer v Viacheslav Yakovlev | W | 0-2 |
| Lettland - Int. | 2023/09/01 06:00 | James Robertson v Viacheslav Yakovlev | W | 0-2 |
| Lettland - Int. | 2023/08/31 14:45 | Alvar Melleri v Viacheslav Yakovlev | W | 0-2 |
| Lettland - Int. | 2023/08/31 09:30 | Domas Paksys v Viacheslav Yakovlev | W | 0-2 |
| Polish Open | 2023/03/23 09:35 | Viacheslav Yakovlev v Jack Yu | L | 0-2 |
| Polish Open | 2023/03/22 17:45 | Charles Fouyn v Viacheslav Yakovlev | W | 0-2 |
| Portugal Int. | 2023/03/08 09:40 | Dominik Kopriva v Viacheslav Yakovlev | W | 0-2 |
| Island - Int. | 2023/01/27 13:40 | Viacheslav Yakovlev v Jakob Houe | L | 0-2 |
| Estonian Int. - Kval | 2023/01/12 07:40 | Christian Faust Kjaer v Viacheslav Yakovlev | L | 2-0 |
| Nouvelle Aquitane - Future Series | 2023/07/07 12:40 | Valentin Singer v Thomas Fourcade | L | 0-2 |
| Nouvelle Aquitane - Future Series | 2023/07/07 08:45 | Valentin Singer v Gustav Bjorkler | W | 2-0 |
| Nantes Int. - Kval | 2023/06/15 10:20 | Collins Valentine Filimon v Valentin Singer | L | 2-1 |
| Litauen - Int. | 2023/06/09 13:15 | Henrikho Kho Wibowo v Valentin Singer | L | 2-1 |
| Austrian Open - Kval | 2023/05/26 07:40 | Valentin Singer v Jia Jie Tan | L | 0-2 |
| Austrian Open - Kval | 2023/05/25 14:35 | Valentin Singer v Orijit Chaliha | W | 2-0 |
| Austrian Open - Kval | 2023/05/25 09:30 | Valentin Singer v Miha Ivanic | W | 2-0 |
| Luxembourg Open | 2023/05/06 08:20 | Valentin Singer v S. Sankar Muthusamy Subramanian | L | 1-2 |