| Dutch Int. - Qualif. | 2019/04/11 14:20 | Bruno Carvalho v Koenig, Joel | L | 2-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/01/17 11:00 | Ditlev Jaeger Holm v Koenig, Joel | L | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/11/21 11:43 | Lane, Alex v Koenig, Joel | L | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/11/21 09:54 | Koenig, Joel v Pringle, Ciar | W | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/10/30 11:45 | Gerberich, Hannes v Koenig, Joel | L | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/02/20 14:32 | Koenig, Joel v Takeshita, Riichi | L | 0-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/02/20 12:10 | Spencer-Smith, Michael v Koenig, Joel | W | 0-2 |
| Indonesia Masters XD | 2017/10/31 17:00 | Koenig, Joel v Hsu, Jen Hao | L | 0-2 |
| Giraldilla Int. XD | 2019/03/15 19:30 | Lam, Timothy v La Torre Regal, Daniel | L | 2-0 |
| Giraldilla Int. XD | 2019/03/14 19:30 | Lam, Timothy v La Torre Regal, Daniel | L | 2-0 |
| Jamaica Int. | 2019/03/07 16:00 | Maddaloni, Rosario v La Torre Regal, Daniel | L | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/12/13 08:00 | Danylo Bosniuk v La Torre Regal, Daniel | L | 2-1 |
| Giraldilla Int. XD | 2018/08/07 20:45 | Kevin Barkman v La Torre Regal, Daniel | L | 2-1 |
| Giraldilla Int. XD | 2018/05/18 15:00 | Hernandez, Arturo v La Torre Regal, Daniel | L | 2-1 |
| Giraldilla Int. XD | 2018/04/27 15:00 | La Torre Regal, Daniel v Brian Yang | L | 0-2 |
| Giraldilla Int. XD | 2017/12/20 03:20 | La Torre Regal, Daniel v Bonkowsky, Nicholas | W | 2-0 |