| Azerbaijan Int - kvalifikace | 2019/06/06 10:30 | Adrian Dziolko v Lars Schaenzler | L | 1-2 |
| Azerbaijan Int - kvalifikace | 2019/06/06 06:30 | Yazgan Calisir v Adrian Dziolko | W | 0-2 |
| Slovenia Int. | 2019/05/16 16:40 | Adrian Dziolko v Minoru Koga | L | 0-2 |
| Polish Open | 2019/03/29 09:00 | Adrian Dziolko v Nhat Nguyen | L | 0-2 |
| Orleans Masters | 2019/03/19 18:10 | Adrian Dziolko v Koki Watanabe | L | 0-2 |
| Giraldilla Int. XD | 2019/03/09 11:00 | Ditlev Jaeger Holm v Adrian Dziolko | L | 2-0 |
| Giraldilla Int. XD | 2019/03/08 10:10 | Adrian Dziolko v Luka Wraber | W | 2-0 |
| Giraldilla Int. XD | 2019/02/21 14:30 | Gergely Krausz v Adrian Dziolko | L | 2-0 |
| Peru Future Series | 2019/05/10 21:00 | Joel Koenig v Daniel La Torre Regal | L | 0-2 |
| Dutch International - kvalifikace | 2019/04/11 14:20 | Bruno Carvalho v Joel Koenig | L | 2-1 |
| Swiss Open - čtyřhra ženy - kvalifikace | 2019/01/17 11:00 | Ditlev Jaeger Holm v Joel Koenig | L | 2-0 |
| Swiss Open - čtyřhra ženy - kvalifikace | 2018/11/21 11:43 | Alex Lane v Joel Koenig | L | 2-0 |
| Swiss Open - čtyřhra ženy - kvalifikace | 2018/11/21 09:54 | Joel Koenig v Ciar Pringle | W | 2-0 |
| Swiss Open - čtyřhra ženy - kvalifikace | 2018/10/30 11:45 | Hannes Gerberich v Joel Koenig | L | 2-0 |
| Swiss Open - čtyřhra ženy - kvalifikace | 2018/02/20 14:32 | Joel Koenig v Riichi Takeshita | L | 0-2 |
| Swiss Open - čtyřhra ženy - kvalifikace | 2018/02/20 12:10 | Michael Spencer-Smith v Joel Koenig | W | 0-2 |