| Swiss Open WD Qual | 2019/01/17 11:00 | Ditlev Jaeger Holm v Joel Koenig | L | 2-0 |
| Swiss Open WD Qual | 2018/11/21 11:43 | Alex Lane v Joel Koenig | L | 2-0 |
| Swiss Open WD Qual | 2018/11/21 09:54 | Joel Koenig v Ciar Pringle | W | 2-0 |
| Swiss Open WD Qual | 2018/10/30 11:45 | Hannes Gerberich v Joel Koenig | L | 2-0 |
| Swiss Open WD Qual | 2018/02/20 14:32 | Joel Koenig v Riichi Takeshita | L | 0-2 |
| Swiss Open WD Qual | 2018/02/20 12:10 | Michael Spencer-Smith v Joel Koenig | W | 0-2 |
| Indonesia Masters XD | 2017/10/31 17:00 | Joel Koenig v Jen Hao Hsu | L | 0-2 |
| Polish Int. | 2017/09/22 07:40 | Henri Aarnio v Joel Koenig | L | 2-0 |
| India Open | 2019/03/27 08:50 | Sai Praneeth B. v Kartikey Gulshan Kumar | L | 2-1 |
| India Open Qual | 2019/03/26 06:55 | Siddharth v Kartikey Gulshan Kumar | W | 0-2 |
| India Open Qual | 2019/03/26 05:05 | Kartikey Gulshan Kumar v Satinder Malik | W | 2-0 |
| Syed Modi Int. | 2018/11/21 09:00 | Vicky Angga Saputra v Kartikey Gulshan Kumar | L | 2-1 |
| Swiss Open WD Qual | 2018/09/19 09:20 | Chun-Yi Lin v Kartikey Gulshan Kumar | L | 2-0 |
| Giraldilla Int. XD | 2018/09/05 14:25 | Kartikey Gulshan Kumar v Firman Abdul Kholik | L | 0-2 |
| Giraldilla Int. XD | 2018/09/04 14:10 | Kartikey Gulshan Kumar v Kanishq M | W | 2-0 |
| Giraldilla Int. XD | 2018/08/07 12:50 | Kartikey Gulshan Kumar v Shesar Hiren Rhustavito | L | 0-2 |