| Swiss Open - Damdubbel - Kval | 2018/10/30 11:45 | Hannes Gerberich v Joel Koenig | L | 2-0 |
| Swiss Open - Damdubbel - Kval | 2018/02/20 14:32 | Joel Koenig v Riichi Takeshita | L | 0-2 |
| Swiss Open - Damdubbel - Kval | 2018/02/20 12:10 | Michael Spencer-Smith v Joel Koenig | W | 0-2 |
| Indonesia Masters - Mixed dubbel | 2017/10/31 17:00 | Joel Koenig v Jen Hao Hsu | L | 0-2 |
| Giraldilla Int. - Mixed dubbel | 2017/09/22 07:40 | Henri Aarnio v Joel Koenig | L | 2-0 |
| Giraldilla Int. - Mixed dubbel | 2017/04/20 10:20 | Joel Koenig v Peter Correl | L | 0-2 |
| Giraldilla Int. - Mixed dubbel | 2017/03/09 17:03 | Joel Koenig v Krzysztof Jakowczuk | L | 0-2 |
| Giraldilla Int. - Mixed dubbel | 2017/01/12 12:25 | Joel Koenig v Karan Rajan Rajarajan | L | 0-2 |
| Swiss Open - Damdubbel - Kval | 2018/11/14 12:00 | Ciar Pringle v Jonathan Dolan | L | 1-2 |
| Swiss Open - Damdubbel - Kval | 2018/09/27 14:35 | Miha Ivanic v Ciar Pringle | L | 2-1 |
| Swiss Open - Damdubbel - Kval | 2018/01/18 09:30 | Ciar Pringle v Martin Bundgaard | L | 0-2 |
| Swiss Open - Damdubbel - Kval | 2017/11/22 11:55 | Ciar Pringle v Alex Marritt | L | 0-2 |
| Swiss Open - Damdubbel - Kval | 2017/11/22 10:05 | Joshua Young v Ciar Pringle | W | 1-2 |
| Giraldilla Int. - Mixed dubbel | 2017/04/12 12:04 | Gergo Pytel v Ciar Pringle | L | 2-0 |
| Giraldilla Int. - Mixed dubbel | 2016/12/07 13:35 | Ciar Pringle v Robert Mann | L | 0-2 |
| Giraldilla Int. - Mixed dubbel | 2016/11/30 11:41 | Ciar Pringle v Zach Russ | W | 2-1 |