| Cyprus Int. Qual | 2021/10/14 08:00 | Oliver Lee Nowak v Balint Papai | W | 2-0 |
| Cyprus Int. Qual | 2021/10/14 08:00 | 马里安•利普塔克 v Viacheslav Yakovlev | W | 0-2 |
| 波兰国际赛资格赛 | 2021/09/23 07:00 | 郑加恒 v Viacheslav Yakovlev | L | 2-0 |
| 乌克兰国际赛 | 2021/09/08 08:40 | Ivan Rusev v Viacheslav Yakovlev | L | 2-1 |
| 乌克兰国际赛 | 2021/09/07 16:30 | Viacheslav Yakovlev v Kilian Meusburger | W | 2-1 |
| 乌克兰国际赛 | 2021/09/07 09:40 | Kavin Thangam Kavin v Viacheslav Yakovlev | W | 1-2 |
| 拉脱维亚国际赛资格赛 | 2021/08/26 10:00 | 马蒂亚斯•索尔加德 v Viacheslav Yakovlev | L | 2-0 |
| 立陶宛国际赛资格赛 | 2021/06/10 14:00 | Viacheslav Yakovlev v 扬•亚诺希克 | L | 0-2 |
| 立陶宛国际赛资格赛 | 2021/06/10 12:20 | Matthias Schnabel v Viacheslav Yakovlev | W | 0-2 |