SaarLorLux Open 2019, MS 10/27 10:30 6 Anjo, Duarte Nuno v Joel König W 1-2
Graphics Int. 12/18 19:20 - Joel Koenig v Misha Zilberman L 0-2
Irish Open Qual 11/13 12:30 - Joel König v Schaenzler, Lars L 1-2
Irish Open Qual 11/13 11:00 - Kirby, Gavin v Joel König W 0-2
Hungarian Int. 10/31 12:40 5 Must, Raul v Joel Koenig L 2-0
Hungarian Int. Qual 10/30 17:30 - Joel Koenig v Dimitar Yanakiev W 2-0
Int. Mexicano 09/19 17:30 - Joel König v Bernardo Atilano L 0-2
Belgian Int. Qual 09/11 15:15 - Joel König v Bharadwaj, B M R L 0-2
Belarus Int. 08/31 09:40 - Joel Koenig v Kartikey Gulshan Kumar L 0-2
Belarus Int. 08/30 12:20 - Joel Koenig v Karunaratne, Niluka - Walkover
Hellas Open 08/09 06:30 - Adrian Dziolko v Joel König L 2-0
Peru Future Series 05/10 21:00 - Joel König v La Torre Regal, Daniel L 0-2
Dutch Int. - Qualif. 04/11 14:20 - Bruno Carvalho v Joel Koenig L 2-1
Open de Suisse - Doubles Femmes - Qualif. 01/17 11:00 - Ditlev Jaeger Holm v Joel Koenig L 2-0
Open de Suisse - Doubles Femmes - Qualif. 11/21 11:43 - Lane, Alex v Joel Koenig L 2-0
Open de Suisse - Doubles Femmes - Qualif. 11/21 09:54 - Joel König v Pringle, Ciar W 2-0
Open de Suisse - Doubles Femmes - Qualif. 10/30 11:45 - Gerberich, Hannes v Joel Koenig L 2-0
Open de Suisse - Doubles Femmes - Qualif. 02/20 14:32 - Joel König v Takeshita, Riichi L 0-2
Open de Suisse - Doubles Femmes - Qualif. 02/20 12:10 1 Spencer-Smith, Michael v Joel König W 0-2
Indonesia Masters XD 10/31 17:00 6 Joel Koenig v Hsu, Jen Hao L 0-2
Giraldilla Int. XD 09/22 07:40 1 Aarnio, Henri v Joel Koenig L 2-0
Giraldilla Int. XD 04/20 10:20 - Joel Koenig v Correl, Peter L 0-2
Giraldilla Int. XD 03/09 17:03 - Joel Koenig v Krzysztof Jakowczuk L 0-2
Giraldilla Int. XD 01/12 12:25 - Joel Koenig v Karan Rajan Rajarajan L 0-2
Giraldilla Int. XD 11/30 14:38 - King, David v Joel Koenig L 2-0
Giraldilla Int. XD 11/30 11:08 - Drabble, Martin v Joel Koenig W 0-2
Open d'Angleterre 11/01 19:00 6 Pochtarov, Artem v Joel Koenig L 2-0
Giraldilla Int. XD 09/28 11:46 - Janacek, Jaromir v Joel Koenig L 2-1